{
 "site": "Toolfyra",
 "url": "https://toolfyra.vercel.app/",
 "updated": "2026-08-28",
 "count": 151,
 "description": "Free browser-based tools, no signup, client-side privacy",
 "llms_txt": "https://toolfyra.vercel.app/llms.txt",
 "tools": [
  {
   "id": "age-calculator",
   "name": "Age Calculator",
   "url": "https://toolfyra.vercel.app/age-calculator.html",
   "description": "Free age calculator: find your exact age in years, months and days from your date of birth — plus total days, weeks and your next birthday countdown. No signup.",
   "category": "Calculators"
  },
  {
   "id": "percentage-calculator",
   "name": "Percentage Calculator",
   "url": "https://toolfyra.vercel.app/percentage-calculator.html",
   "description": "Free percentage calculator: what is X% of Y, X is what percent of Y, and percentage increase or decrease. Instant results, mobile friendly.",
   "category": "Calculators"
  },
  {
   "id": "emi-calculator",
   "name": "EMI / Loan Calculator",
   "url": "https://toolfyra.vercel.app/emi-calculator.html",
   "description": "Free EMI calculator: compute monthly loan payments, total interest and total repayment for home, car or personal loans. Instant and private.",
   "category": "Calculators"
  },
  {
   "id": "bmi-calculator",
   "name": "BMI Calculator",
   "url": "https://toolfyra.vercel.app/bmi-calculator.html",
   "description": "Free BMI calculator for metric and imperial units. See your Body Mass Index and healthy weight category instantly. Private — runs in your browser.",
   "category": "Calculators"
  },
  {
   "id": "word-counter",
   "name": "Word Counter",
   "url": "https://toolfyra.vercel.app/word-counter.html",
   "description": "Free word counter: live count of words, characters (with and without spaces), sentences, paragraphs and reading time. Perfect for essays and SEO.",
   "category": "Text Tools"
  },
  {
   "id": "case-converter",
   "name": "Case Converter",
   "url": "https://toolfyra.vercel.app/case-converter.html",
   "description": "Free case converter: switch text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case. One click, copy ready.",
   "category": "Text Tools"
  },
  {
   "id": "text-toolkit",
   "name": "Text Toolkit",
   "url": "https://toolfyra.vercel.app/text-toolkit.html",
   "description": "Free text toolkit: remove duplicate lines, sort, trim, remove empty lines, number lines, extract & validate emails and IP addresses. All in your browser.",
   "category": "Text Tools"
  },
  {
   "id": "password-generator",
   "name": "Password Generator",
   "url": "https://toolfyra.vercel.app/password-generator.html",
   "description": "Free strong password generator: create random passwords up to 64 characters with letters, numbers and symbols. Cryptographically secure, works offline.",
   "category": "Generators"
  },
  {
   "id": "qr-code-generator",
   "name": "QR Code Generator",
   "url": "https://toolfyra.vercel.app/qr-code-generator.html",
   "description": "Free QR code generator: turn links, text, WiFi or contact info into a downloadable QR code PNG. Choose size and error correction. Private and instant.",
   "category": "Generators"
  },
  {
   "id": "whatsapp-link-generator",
   "name": "WhatsApp Link Generator",
   "url": "https://toolfyra.vercel.app/whatsapp-link-generator.html",
   "description": "Free WhatsApp link generator: create wa.me click-to-chat links with a pre-filled message — without saving the number. Share or download as QR code.",
   "category": "Generators"
  },
  {
   "id": "image-compressor",
   "name": "Image Compressor",
   "url": "https://toolfyra.vercel.app/image-compressor.html",
   "description": "Free image compressor: shrink JPG, PNG or WebP files in your browser. Slide for quality or compress to a target size in KB. Nothing is uploaded.",
   "category": "Image Tools"
  },
  {
   "id": "image-resizer",
   "name": "Image Resizer",
   "url": "https://toolfyra.vercel.app/image-resizer.html",
   "description": "Free image resizer: resize photos to exact pixel dimensions with aspect-ratio lock. Choose JPG, PNG or WebP output. Private, no upload.",
   "category": "Image Tools"
  },
  {
   "id": "image-converter",
   "name": "Image Converter (WebP → JPG)",
   "url": "https://toolfyra.vercel.app/image-converter.html",
   "description": "Free image converter: convert WebP to JPG or PNG (and vice versa) in your browser. Fixes 'format not supported' upload errors. No upload, instant.",
   "category": "Image Tools"
  },
  {
   "id": "merge-pdf",
   "name": "Merge PDF",
   "url": "https://toolfyra.vercel.app/merge-pdf.html",
   "description": "Free PDF merger: combine multiple PDF files into one document, in your chosen order. 100% browser-based — files never leave your device. No signup.",
   "category": "PDF Tools"
  },
  {
   "id": "jpg-to-pdf",
   "name": "JPG to PDF",
   "url": "https://toolfyra.vercel.app/jpg-to-pdf.html",
   "description": "Convert JPG and PNG images to a single PDF free — in your browser. Photos never upload, perfect for scans and documents. No watermark.",
   "category": "PDF Tools"
  },
  {
   "id": "pdf-page-extractor",
   "name": "PDF Page Extractor",
   "url": "https://toolfyra.vercel.app/pdf-page-extractor.html",
   "description": "Free PDF page extractor: pull selected pages (e.g. 1,3,5-8) into a new PDF. Browser-based, no upload, no signup.",
   "category": "PDF Tools"
  },
  {
   "id": "youtube-thumbnail-downloader",
   "name": "YouTube Thumbnail Downloader",
   "url": "https://toolfyra.vercel.app/youtube-thumbnail-downloader.html",
   "description": "Free YouTube thumbnail downloader: paste any video link and view/download its thumbnails in all resolutions (HD 1280px and more). Fast, free, no signup.",
   "category": "Social & Video"
  },
  {
   "id": "flight-compensation-checker",
   "name": "Flight Compensation Checker (EU261)",
   "url": "https://toolfyra.vercel.app/flight-compensation-checker.html",
   "description": "Free EU261 flight compensation checker: delayed 3+ hours, cancelled or denied boarding? Check if you're owed €250–600 and generate a ready claim letter.",
   "category": "Travel & Documents"
  },
  {
   "id": "visa-photo-checker",
   "name": "Visa & DV Lottery Photo Checker",
   "url": "https://toolfyra.vercel.app/visa-photo-checker.html",
   "description": "Free visa photo checker: validate your photo against US DV Lottery (600×600px, ≤240KB), US passport, Schengen and Canada specs — instantly in your browser.",
   "category": "Travel & Documents"
  },
  {
   "id": "tip-calculator",
   "name": "Tip Calculator",
   "url": "https://toolfyra.vercel.app/tip-calculator.html",
   "description": "Free tip calculator: add a tip percentage, split the bill between friends and see exactly what each person pays. Instant, no signup.",
   "category": "Money & Business"
  },
  {
   "id": "gst-vat-calculator",
   "name": "GST / VAT Calculator",
   "url": "https://toolfyra.vercel.app/gst-vat-calculator.html",
   "description": "Free GST/VAT calculator: add tax to a net price or remove (reverse) tax from a gross price. Instant net, tax and gross amounts.",
   "category": "Money & Business"
  },
  {
   "id": "profit-margin-calculator",
   "name": "Profit Margin Calculator",
   "url": "https://toolfyra.vercel.app/profit-margin-calculator.html",
   "description": "Free profit margin calculator: compute margin %, markup % and profit from cost and selling price — or find the right price for a target margin.",
   "category": "Money & Business"
  },
  {
   "id": "compound-interest-calculator",
   "name": "Compound Interest Calculator",
   "url": "https://toolfyra.vercel.app/compound-interest-calculator.html",
   "description": "Free compound interest calculator: project savings growth with yearly/quarterly/monthly compounding and regular contributions. Year-by-year table.",
   "category": "Money & Business"
  },
  {
   "id": "invoice-generator",
   "name": "Invoice Generator",
   "url": "https://toolfyra.vercel.app/invoice-generator.html",
   "description": "Free invoice generator: create a professional invoice with items, tax and totals — then print or save as PDF from your browser. No signup, no watermark.",
   "category": "Money & Business"
  },
  {
   "id": "tdee-calorie-calculator",
   "name": "TDEE & Calorie Calculator",
   "url": "https://toolfyra.vercel.app/tdee-calorie-calculator.html",
   "description": "Free TDEE calculator: find your daily calorie needs with the Mifflin-St Jeor formula, plus cut and bulk targets. Metric and imperial.",
   "category": "Health & Fitness"
  },
  {
   "id": "pregnancy-due-date-calculator",
   "name": "Pregnancy Due Date Calculator",
   "url": "https://toolfyra.vercel.app/pregnancy-due-date-calculator.html",
   "description": "Free pregnancy due date calculator: estimated due date from your last period, current week, trimester dates. Based on Naegele's rule.",
   "category": "Health & Fitness"
  },
  {
   "id": "ovulation-calculator",
   "name": "Ovulation Calculator",
   "url": "https://toolfyra.vercel.app/ovulation-calculator.html",
   "description": "Free ovulation calculator: predict your fertile window and next period from cycle length and last period date. Calendar-method estimate.",
   "category": "Health & Fitness"
  },
  {
   "id": "timezone-converter",
   "name": "Time Zone Converter",
   "url": "https://toolfyra.vercel.app/timezone-converter.html",
   "description": "Free time zone converter: convert any time between UTC, New York, London, Berlin, Dubai, Karachi, India and more. Perfect for remote meetings.",
   "category": "Travel & Documents"
  },
  {
   "id": "gpa-percentage-converter",
   "name": "CGPA / Percentage Converter",
   "url": "https://toolfyra.vercel.app/gpa-percentage-converter.html",
   "description": "Free CGPA to percentage calculator: convert CGPA↔percentage using the CBSE (×9.5) and HEC-style (÷4) formulas. Also 4.0 GPA scale guide.",
   "category": "Calculators"
  },
  {
   "id": "land-area-converter",
   "name": "Land Area Converter",
   "url": "https://toolfyra.vercel.app/land-area-converter.html",
   "description": "Free land area converter: convert between Marla, Kanal, Acre, Hectare, Square Feet, Square Yards and Square Meters instantly.",
   "category": "Calculators"
  },
  {
   "id": "date-difference-calculator",
   "name": "Date Difference Calculator",
   "url": "https://toolfyra.vercel.app/date-difference-calculator.html",
   "description": "Free date difference calculator: days, weeks, months and working days between two dates. Great for deadlines, projects and countdowns.",
   "category": "Calculators"
  },
  {
   "id": "meta-tag-generator",
   "name": "Meta Tag Generator",
   "url": "https://toolfyra.vercel.app/meta-tag-generator.html",
   "description": "Free meta tag generator: build SEO title, description, keywords, canonical, Open Graph and Twitter tags with live length checks. Copy-paste ready HTML.",
   "category": "SEO & Marketing"
  },
  {
   "id": "utm-builder",
   "name": "UTM Link Builder",
   "url": "https://toolfyra.vercel.app/utm-builder.html",
   "description": "Free UTM link builder: add utm_source, utm_medium and campaign parameters to any URL for clean Google Analytics tracking.",
   "category": "SEO & Marketing"
  },
  {
   "id": "robots-txt-generator",
   "name": "Robots.txt Generator",
   "url": "https://toolfyra.vercel.app/robots-txt-generator.html",
   "description": "Free robots.txt generator: allow or block search engines, disallow private folders, add sitemap URL. Copy-paste ready for your site root.",
   "category": "SEO & Marketing"
  },
  {
   "id": "slug-generator",
   "name": "URL Slug Generator",
   "url": "https://toolfyra.vercel.app/slug-generator.html",
   "description": "Free URL slug generator: turn any title into a clean, lowercase, SEO-friendly URL slug. Accents converted, stop words optional.",
   "category": "SEO & Marketing"
  },
  {
   "id": "keyword-density-checker",
   "name": "Keyword Density Checker",
   "url": "https://toolfyra.vercel.app/keyword-density-checker.html",
   "description": "Free keyword density checker: analyze single words and 2-word phrases with counts and percentages. Spot over-optimization before Google does.",
   "category": "SEO & Marketing"
  },
  {
   "id": "readability-checker",
   "name": "Readability Checker",
   "url": "https://toolfyra.vercel.app/readability-checker.html",
   "description": "Free readability checker: score your text with the Flesch Reading Ease test, average sentence length and grade level hints. Improve clarity instantly.",
   "category": "SEO & Marketing"
  },
  {
   "id": "hashtag-generator",
   "name": "Hashtag Generator",
   "url": "https://toolfyra.vercel.app/hashtag-generator.html",
   "description": "Free hashtag generator: create keyword-based hashtag sets for Instagram, TikTok, YouTube, LinkedIn and X — with platform-relevant tags included.",
   "category": "SEO & Marketing"
  },
  {
   "id": "youtube-money-calculator",
   "name": "YouTube Money Calculator",
   "url": "https://toolfyra.vercel.app/youtube-money-calculator.html",
   "description": "Free YouTube money calculator: estimate ad earnings from monthly views and RPM. See realistic low–high ranges for your channel.",
   "category": "Social & Video"
  },
  {
   "id": "engagement-rate-calculator",
   "name": "Engagement Rate Calculator",
   "url": "https://toolfyra.vercel.app/engagement-rate-calculator.html",
   "description": "Free engagement rate calculator: compute ER% by followers or reach from likes, comments and shares — with industry benchmarks.",
   "category": "Social & Video"
  },
  {
   "id": "instagram-line-break",
   "name": "Instagram Line Break Tool",
   "url": "https://toolfyra.vercel.app/instagram-line-break.html",
   "description": "Free Instagram line break tool: keep blank lines in your captions. Instagram deletes normal empty lines — this invisible-character trick keeps them.",
   "category": "Social & Video"
  },
  {
   "id": "fancy-font-generator",
   "name": "Fancy Font Generator",
   "url": "https://toolfyra.vercel.app/fancy-font-generator.html",
   "description": "Free fancy font generator: turn text into bold, italic, monospace, circled and small-caps Unicode styles for Instagram bios, TikTok and gaming names. Copy any style.",
   "category": "Social & Video"
  },
  {
   "id": "citation-generator",
   "name": "Citation Generator",
   "url": "https://toolfyra.vercel.app/citation-generator.html",
   "description": "Free citation generator: create APA 7 and MLA style citations for websites, books and journals. Copy-paste ready for essays and papers.",
   "category": "Text Tools"
  },
  {
   "id": "lorem-ipsum-generator",
   "name": "Lorem Ipsum Generator",
   "url": "https://toolfyra.vercel.app/lorem-ipsum-generator.html",
   "description": "Free lorem ipsum generator: create placeholder paragraphs, sentences or words for mockups and wireframes. Classic Latin filler text.",
   "category": "Text Tools"
  },
  {
   "id": "text-diff-checker",
   "name": "Text Diff Checker",
   "url": "https://toolfyra.vercel.app/text-diff-checker.html",
   "description": "Free text diff checker: compare two texts or code snippets line by line. Added, removed and unchanged lines highlighted. Runs in your browser.",
   "category": "Text Tools"
  },
  {
   "id": "json-formatter",
   "name": "JSON Formatter",
   "url": "https://toolfyra.vercel.app/json-formatter.html",
   "description": "Free JSON formatter and validator: beautify messy JSON, minify for production, validate syntax with clear error locations. Runs 100% in your browser.",
   "category": "Developer Tools"
  },
  {
   "id": "csv-to-json-converter",
   "name": "CSV to JSON Converter",
   "url": "https://toolfyra.vercel.app/csv-to-json-converter.html",
   "description": "Free CSV to JSON converter: convert spreadsheet exports to JSON arrays. Handles quoted fields, commas in values, tabs and semicolons. Browser-based.",
   "category": "Developer Tools"
  },
  {
   "id": "regex-tester",
   "name": "Regex Tester",
   "url": "https://toolfyra.vercel.app/regex-tester.html",
   "description": "Free regex tester: test JavaScript regular expressions with live match highlighting and capture groups. Cheat-sheet included. Runs in your browser.",
   "category": "Developer Tools"
  },
  {
   "id": "base64-encoder-decoder",
   "name": "Base64 Encoder / Decoder",
   "url": "https://toolfyra.vercel.app/base64-encoder-decoder.html",
   "description": "Free Base64 encoder and decoder with full UTF-8 (Unicode/emoji) support. Encode text to Base64 or decode Base64 back — private, instant.",
   "category": "Developer Tools"
  },
  {
   "id": "url-encoder-decoder",
   "name": "URL Encoder / Decoder",
   "url": "https://toolfyra.vercel.app/url-encoder-decoder.html",
   "description": "Free URL encoder/decoder: percent-encode special characters for safe links, or decode %20-style strings back. Component and full-URL modes.",
   "category": "Developer Tools"
  },
  {
   "id": "hash-generator",
   "name": "Hash Generator (SHA-256)",
   "url": "https://toolfyra.vercel.app/hash-generator.html",
   "description": "Free SHA hash generator: create SHA-1, SHA-256, SHA-384 and SHA-512 hashes from any text using the Web Crypto API. Fast, private, UTF-8 safe.",
   "category": "Developer Tools"
  },
  {
   "id": "uuid-generator",
   "name": "UUID Generator",
   "url": "https://toolfyra.vercel.app/uuid-generator.html",
   "description": "Free UUID v4 generator: create one or bulk-generate hundreds of cryptographically random unique identifiers. Copy individually or all at once.",
   "category": "Developer Tools"
  },
  {
   "id": "epoch-timestamp-converter",
   "name": "Epoch Timestamp Converter",
   "url": "https://toolfyra.vercel.app/epoch-timestamp-converter.html",
   "description": "Free Unix timestamp converter: convert epoch seconds/milliseconds to human dates and back, with UTC and local time. Now button included.",
   "category": "Developer Tools"
  },
  {
   "id": "jwt-decoder",
   "name": "JWT Decoder",
   "url": "https://toolfyra.vercel.app/jwt-decoder.html",
   "description": "Free JWT decoder: decode JSON Web Token header and payload, inspect expiry (exp) and issued times. Client-side only — tokens never leave your browser.",
   "category": "Developer Tools"
  },
  {
   "id": "cron-expression-generator",
   "name": "Cron Expression Generator",
   "url": "https://toolfyra.vercel.app/cron-expression-generator.html",
   "description": "Free cron expression generator: build crontab schedules with presets or custom fields, with plain-English explanation. For Linux cron, n8n and cloud schedulers.",
   "category": "Developer Tools"
  },
  {
   "id": "color-picker-from-image",
   "name": "Color Picker from Image",
   "url": "https://toolfyra.vercel.app/color-picker-from-image.html",
   "description": "Free color picker from image: upload a photo and pick any pixel's color, plus extract the dominant color palette. HEX, RGB, HSL — copy ready.",
   "category": "Image Tools"
  },
  {
   "id": "exif-metadata-remover",
   "name": "EXIF / Metadata Remover",
   "url": "https://toolfyra.vercel.app/exif-metadata-remover.html",
   "description": "Free EXIF metadata remover: strip GPS location, camera info and timestamps from photos by clean re-encoding. Privacy protection, in your browser.",
   "category": "Image Tools"
  },
  {
   "id": "image-watermarker",
   "name": "Image Watermark Tool",
   "url": "https://toolfyra.vercel.app/image-watermarker.html",
   "description": "Free image watermark tool: add text watermarks (logo-style) to photos with position, opacity, size and tiling options. Protect your work — private in-browser.",
   "category": "Image Tools"
  },
  {
   "id": "screenshot-stitcher",
   "name": "Screenshot Stitcher",
   "url": "https://toolfyra.vercel.app/screenshot-stitcher.html",
   "description": "Free screenshot stitcher: combine multiple screenshots into one long vertical image — perfect for chats, reviews and threads. No upload.",
   "category": "Image Tools"
  },
  {
   "id": "favicon-generator",
   "name": "Favicon Generator",
   "url": "https://toolfyra.vercel.app/favicon-generator.html",
   "description": "Free favicon generator: turn any logo or image into 16, 32, 48, 180, 192 and 512px favicons with ready-to-paste HTML code. No upload.",
   "category": "Image Tools"
  },
  {
   "id": "universal-downloader",
   "name": "Universal Downloader",
   "url": "https://toolfyra.vercel.app/universal-downloader.html",
   "description": "Free universal downloader: paste a link from YouTube, TikTok, Vimeo, Dailymotion or Reddit to auto-fetch thumbnails & metadata, or drop any video file for screenshots & frame sheets. 100% in your browser.",
   "category": "Social & Video"
  },
  {
   "id": "ai-prompt-generator",
   "name": "AI Prompt Generator",
   "url": "https://toolfyra.vercel.app/ai-prompt-generator.html",
   "description": "Free AI prompt generator: build detailed, structured prompts for Midjourney, Stable Diffusion, Flux, DALL-E, ChatGPT, Claude and Gemini in one click. No sign-up.",
   "category": "Generators"
  },
  {
   "id": "ai-script-generator",
   "name": "AI Script Generator",
   "url": "https://toolfyra.vercel.app/ai-script-generator.html",
   "description": "Free video script generator: turn any topic into a structured YouTube, TikTok or Reels script — hook, beats, b-roll notes and CTA. Instant, no sign-up.",
   "category": "Social & Video"
  },
  {
   "id": "ai-caption-generator",
   "name": "AI Caption Generator",
   "url": "https://toolfyra.vercel.app/ai-caption-generator.html",
   "description": "Free caption generator for Instagram, TikTok, LinkedIn and X: topic + tone in, scroll-stopping captions with emojis and hashtags out. No sign-up.",
   "category": "SEO & Marketing"
  },
  {
   "id": "ai-content-idea-generator",
   "name": "AI Content Idea Generator",
   "url": "https://toolfyra.vercel.app/ai-content-idea-generator.html",
   "description": "Free content idea generator: enter your niche, get 30 days of video/post ideas across proven formats — how-tos, myths, stories, lists and trends. No sign-up.",
   "category": "SEO & Marketing"
  },
  {
   "id": "ai-token-counter",
   "name": "AI Token Counter",
   "url": "https://toolfyra.vercel.app/ai-token-counter.html",
   "description": "Free AI token counter: estimate tokens for ChatGPT, Claude and Gemini, and calculate API costs from editable per-million rates. Instant and private.",
   "category": "Developer Tools"
  },
  {
   "id": "ai-bio-generator",
   "name": "AI Bio Generator",
   "url": "https://toolfyra.vercel.app/ai-bio-generator.html",
   "description": "Free bio generator: create a polished Instagram, TikTok, X or LinkedIn bio in seconds — name line, keywords, emoji style and CTA, within platform limits. No sign-up.",
   "category": "SEO & Marketing"
  },
  {
   "id": "youtube-description-generator",
   "name": "YouTube Description Generator",
   "url": "https://toolfyra.vercel.app/youtube-description-generator.html",
   "description": "Free YouTube description generator: build SEO descriptions with hooks, keywords, timestamps, links and hashtags in the first-3-lines structure YouTube rewards. No sign-up.",
   "category": "Social & Video"
  },
  {
   "id": "fake-name-generator",
   "name": "Fake Name Generator",
   "url": "https://toolfyra.vercel.app/fake-name-generator.html",
   "description": "Free fake name generator: create random realistic test names by country and gender for app testing, forms, fiction and privacy. Unlimited, no sign-up, 100% browser-side.",
   "category": "Text Tools"
  },
  {
   "id": "fake-address-generator",
   "name": "Fake Address Generator",
   "url": "https://toolfyra.vercel.app/fake-address-generator.html",
   "description": "Free fake address generator: realistic-format fictional addresses for testing forms, QA, demos and fiction — US, UK, Germany, India and more. Not real places.",
   "category": "Text Tools"
  },
  {
   "id": "fake-person-generator",
   "name": "Fake Person Generator",
   "url": "https://toolfyra.vercel.app/fake-person-generator.html",
   "description": "Free fake person generator: create complete fictional test profiles — name, birthday, job, email, username, phone format — for QA, demos and fiction. JSON/CSV export.",
   "category": "Developer Tools"
  },
  {
   "id": "fake-email-generator",
   "name": "Fake Email Generator",
   "url": "https://toolfyra.vercel.app/fake-email-generator.html",
   "description": "Free fake email generator: create realistic-format placeholder email addresses for testing forms, QA fixtures and demos. Clearly non-functional — not real inboxes.",
   "category": "Developer Tools"
  },
  {
   "id": "gmail-alias-generator",
   "name": "Gmail Alias Generator",
   "url": "https://toolfyra.vercel.app/gmail-alias-generator.html",
   "description": "Free Gmail alias generator: create unlimited WORKING aliases of your Gmail with the plus-tag and dot tricks — track who sold your email, filter like a pro. Real, functional.",
   "category": "Generators"
  },
  {
   "id": "username-generator",
   "name": "Username Generator",
   "url": "https://toolfyra.vercel.app/username-generator.html",
   "description": "Free username generator: aesthetic, gaming, professional and cute username ideas for Instagram, TikTok, YouTube, Discord and more — with availability-format checks. Unlimited.",
   "category": "Generators"
  },
  {
   "id": "credit-card-validator",
   "name": "Credit Card Validator",
   "url": "https://toolfyra.vercel.app/credit-card-validator.html",
   "description": "Free credit card validator: check if a card number is structurally valid (Luhn algorithm), detect the brand, and format it correctly — for testing payment forms. No real cards needed.",
   "category": "Developer Tools"
  },
  {
   "id": "phone-number-validator",
   "name": "Phone Number Validator",
   "url": "https://toolfyra.vercel.app/phone-number-validator.html",
   "description": "Free phone number validator: clean, validate and format numbers to E.164 international standard — plus country-code lookup for 20+ countries. For testing and data cleanup.",
   "category": "Developer Tools"
  },
  {
   "id": "email-validator",
   "name": "Email Validator",
   "url": "https://toolfyra.vercel.app/email-validator.html",
   "description": "Free email validator: check address syntax (RFC-style), spot disposable-domain signups, and catch typos like gmial.com before they bounce. 100% browser-side.",
   "category": "Developer Tools"
  },
  {
   "id": "body-fat-calculator",
   "name": "Body Fat Calculator",
   "url": "https://toolfyra.vercel.app/body-fat-calculator.html",
   "description": "Free body fat calculator using the US Navy tape method: measure neck, waist (and hips for women) to estimate body fat percentage, fat mass and lean mass instantly.",
   "category": "Health & Fitness"
  },
  {
   "id": "macro-calculator",
   "name": "Macro Calculator",
   "url": "https://toolfyra.vercel.app/macro-calculator.html",
   "description": "Free macro calculator: enter your daily calories and goal (cut, maintain, bulk) to get exact protein, carb and fat gram targets for balanced, low-carb or high-protein diets.",
   "category": "Health & Fitness"
  },
  {
   "id": "ideal-weight-calculator",
   "name": "Ideal Weight Calculator",
   "url": "https://toolfyra.vercel.app/ideal-weight-calculator.html",
   "description": "Free ideal weight calculator: Devine, Robinson and Miller formulas plus the healthy BMI range — get a realistic target weight by height and sex in seconds.",
   "category": "Health & Fitness"
  },
  {
   "id": "water-intake-calculator",
   "name": "Water Intake Calculator",
   "url": "https://toolfyra.vercel.app/water-intake-calculator.html",
   "description": "Free water intake calculator: your daily hydration target based on weight, activity and climate — in glasses, liters and cups. Instant, no sign-up.",
   "category": "Health & Fitness"
  },
  {
   "id": "heart-rate-zone-calculator",
   "name": "Heart Rate Zone Calculator",
   "url": "https://toolfyra.vercel.app/heart-rate-zone-calculator.html",
   "description": "Free heart rate zone calculator: max heart rate and all 5 training zones using the accurate Karvonen method (resting HR included) — find your fat-burning and cardio zones.",
   "category": "Health & Fitness"
  },
  {
   "id": "one-rep-max-calculator",
   "name": "One Rep Max Calculator",
   "url": "https://toolfyra.vercel.app/one-rep-max-calculator.html",
   "description": "Free 1RM calculator: estimate your one-rep max from any weight × reps set using Epley and Brzycki formulas, plus a full percentage training chart. Lift smarter, test safer.",
   "category": "Health & Fitness"
  },
  {
   "id": "blood-pressure-range-checker",
   "name": "Blood Pressure Checker",
   "url": "https://toolfyra.vercel.app/blood-pressure-range-checker.html",
   "description": "Free blood pressure checker: enter systolic & diastolic readings to see your AHA category — normal, elevated, stage 1 or 2 hypertension — with clear next-step guidance.",
   "category": "Health & Fitness"
  },
  {
   "id": "sleep-cycle-calculator",
   "name": "Sleep Cycle Calculator",
   "url": "https://toolfyra.vercel.app/sleep-cycle-calculator.html",
   "description": "Free sleep cycle calculator: wake up between sleep cycles, not mid-dream. Enter bedtime or wake time to find the best times based on 90-minute sleep cycles.",
   "category": "Health & Fitness"
  },
  {
   "id": "video-ideas-generator",
   "name": "Video Ideas Generator",
   "url": "https://toolfyra.vercel.app/video-ideas-generator.html",
   "description": "Free video ideas generator: paste a YouTube/TikTok link or topic and get 15 same-niche video ideas with hooks and formats — sequels, myths, mistakes, challenges and more.",
   "category": "Social & Video"
  },
  {
   "id": "video-copier-blueprint",
   "name": "Video Copier Blueprint",
   "url": "https://toolfyra.vercel.app/video-copier-blueprint.html",
   "description": "Free video copier blueprint: paste a video link, get the full remake structure — hook formulas, beat-by-beat script skeleton, shot list, title variants, hashtags and AI-video prompts.",
   "category": "Social & Video"
  },
  {
   "id": "video-to-prompt-generator",
   "name": "Video to Prompt Generator",
   "url": "https://toolfyra.vercel.app/video-to-prompt-generator.html",
   "description": "Free video-to-prompt generator: describe or paste a video reference and get 6 production-ready AI video prompts with style, camera, lighting and model-specific parameters.",
   "category": "Generators"
  },
  {
   "id": "ai-multi-prompt-generator",
   "name": "Multi-Prompt Generator",
   "url": "https://toolfyra.vercel.app/ai-multi-prompt-generator.html",
   "description": "Free multi-prompt generator: one topic in, a consistent 8-scene prompt set out — same style tokens across scenes so your AI video feels like one film, not 8 clips.",
   "category": "Generators"
  },
  {
   "id": "slideshow-video-maker",
   "name": "Slideshow Video Maker",
   "url": "https://toolfyra.vercel.app/slideshow-video-maker.html",
   "description": "Free slideshow video maker: turn photos and text into a real video file in your browser — set durations, title & end cards, optional music — download WebM instantly. No upload.",
   "category": "Social & Video"
  },
  {
   "id": "debt-payoff-coach",
   "name": "Debt Payoff Coach",
   "url": "https://toolfyra.vercel.app/debt-payoff-coach.html",
   "description": "Free debt payoff coach: track debts, see your debt-free date, compare snowball vs avalanche, get smart guidance, milestone tracking and WhatsApp progress sharing — 100% private, in your browser.",
   "category": "Money & Business"
  },
  {
   "id": "hourly-to-salary-converter",
   "name": "Hourly to Salary Converter",
   "url": "https://toolfyra.vercel.app/hourly-to-salary-converter.html",
   "description": "Free hourly to salary converter: hourly rate × hours × weeks = annual, monthly and weekly pay — overtime note included. Reverse mode too.",
   "category": "Money & Business"
  },
  {
   "id": "paycheck-estimator",
   "name": "Paycheck Estimator",
   "url": "https://toolfyra.vercel.app/paycheck-estimator.html",
   "description": "Free US paycheck estimator: salary minus estimated federal, state, FICA and pre-tax deductions — see weekly, biweekly and monthly take-home. Rates editable for accuracy.",
   "category": "Money & Business"
  },
  {
   "id": "overtime-pay-calculator",
   "name": "Overtime Pay Calculator",
   "url": "https://toolfyra.vercel.app/overtime-pay-calculator.html",
   "description": "Free overtime pay calculator: regular + 1.5x + double-time breakdown for daily and weekly hours — see exactly what your extra hours are worth before you work them.",
   "category": "Money & Business"
  },
  {
   "id": "bonus-tax-calculator",
   "name": "Bonus Tax Calculator",
   "url": "https://toolfyra.vercel.app/bonus-tax-calculator.html",
   "description": "Free bonus tax calculator: see how a bonus is taxed two ways — the 22% federal supplemental flat rate vs adding it to your salary — plus FICA and state estimates.",
   "category": "Money & Business"
  },
  {
   "id": "sales-tax-calculator",
   "name": "Sales Tax Calculator",
   "url": "https://toolfyra.vercel.app/sales-tax-calculator.html",
   "description": "Free sales tax calculator: add tax to a pre-tax price or remove tax from a total (reverse mode) — with quick presets for common US state rates.",
   "category": "Money & Business"
  },
  {
   "id": "capital-gains-estimator",
   "name": "Capital Gains Estimator",
   "url": "https://toolfyra.vercel.app/capital-gains-estimator.html",
   "description": "Free capital gains estimator: buy/sell price, holding period, and estimated US tax — 0%/15%/20% long-term brackets vs short-term ordinary rates, with editable rates.",
   "category": "Money & Business"
  },
  {
   "id": "401k-growth-calculator",
   "name": "401k Growth Calculator",
   "url": "https://toolfyra.vercel.app/401k-growth-calculator.html",
   "description": "Free 401k growth calculator: contribution + employer match projected to retirement with compound growth — shows the 2026 IRS limit ($24,500, $32,500 age 50+) in context.",
   "category": "Money & Business"
  },
  {
   "id": "roth-vs-traditional-calculator",
   "name": "Roth vs Traditional Calculator",
   "url": "https://toolfyra.vercel.app/roth-vs-traditional-calculator.html",
   "description": "Free Roth vs Traditional calculator: same contributions, different tax timing — see which leaves you more after-tax money at your expected retirement bracket.",
   "category": "Money & Business"
  },
  {
   "id": "social-security-claiming-calculator",
   "name": "Social Security Claiming Calculator",
   "url": "https://toolfyra.vercel.app/social-security-claiming-calculator.html",
   "description": "Free Social Security calculator: see your estimated monthly benefit at every claiming age 62–70 — early reduction vs delayed retirement credits, lifetime totals compared.",
   "category": "Money & Business"
  },
  {
   "id": "mortgage-affordability-calculator",
   "name": "Mortgage Affordability Calculator",
   "url": "https://toolfyra.vercel.app/mortgage-affordability-calculator.html",
   "description": "Free mortgage affordability calculator: income and debts in, maximum home price out — the 28/36 rule lenders use, with down payment, rate and term editable.",
   "category": "Money & Business"
  },
  {
   "id": "closing-cost-estimator",
   "name": "Closing Cost Estimator",
   "url": "https://toolfyra.vercel.app/closing-cost-estimator.html",
   "description": "Free closing cost estimator: loan price in, estimated buyer closing costs out — origination, title, appraisal, escrow, points — with the typical 2–5% range explained.",
   "category": "Money & Business"
  },
  {
   "id": "refinance-break-even-calculator",
   "name": "Refinance Break-Even Calculator",
   "url": "https://toolfyra.vercel.app/refinance-break-even-calculator.html",
   "description": "Free refinance break-even calculator: old vs new payment and closing costs — see exactly how many months until the refinance pays for itself, and if it's worth it.",
   "category": "Money & Business"
  },
  {
   "id": "rent-affordability-calculator",
   "name": "Rent Affordability Calculator",
   "url": "https://toolfyra.vercel.app/rent-affordability-calculator.html",
   "description": "Free rent affordability calculator: income in, max rent out — the 3x gross rule landlords use, the 30% budget rule, and what's left for everything else.",
   "category": "Money & Business"
  },
  {
   "id": "rent-vs-buy-calculator",
   "name": "Rent vs Buy Calculator",
   "url": "https://toolfyra.vercel.app/rent-vs-buy-calculator.html",
   "description": "Free rent vs buy calculator: monthly rent vs owning costs (mortgage, tax, insurance, maintenance) over your planned years — with the honest 1% maintenance rule.",
   "category": "Money & Business"
  },
  {
   "id": "auto-loan-calculator",
   "name": "Auto Loan Calculator",
   "url": "https://toolfyra.vercel.app/auto-loan-calculator.html",
   "description": "Free auto loan calculator: car price, trade-in, sales tax, down payment, rate and term — monthly payment, total interest and the honest 20/4/10 affordability check.",
   "category": "Money & Business"
  },
  {
   "id": "lease-vs-buy-calculator",
   "name": "Lease vs Buy Calculator",
   "url": "https://toolfyra.vercel.app/lease-vs-buy-calculator.html",
   "description": "Free lease vs buy calculator: compare 3-year total cost of leasing vs buying the same car — payments, down, sale value, and who each option actually suits.",
   "category": "Money & Business"
  },
  {
   "id": "car-depreciation-calculator",
   "name": "Car Depreciation Calculator",
   "url": "https://toolfyra.vercel.app/car-depreciation-calculator.html",
   "description": "Free car depreciation calculator: see your car's estimated value year by year — the 20%-year-one then ~15% curve, with a total-loss table insurers actually use.",
   "category": "Money & Business"
  },
  {
   "id": "uk-take-home-calculator",
   "name": "UK Take-Home Calculator",
   "url": "https://toolfyra.vercel.app/uk-take-home-calculator.html",
   "description": "Free UK salary calculator: gross to take-home with 2026/27 income tax bands (£12,570 allowance) and National Insurance — monthly, weekly, and hourly views.",
   "category": "Money & Business"
  },
  {
   "id": "uk-stamp-duty-calculator",
   "name": "UK Stamp Duty Calculator",
   "url": "https://toolfyra.vercel.app/uk-stamp-duty-calculator.html",
   "description": "Free UK Stamp Duty Land Tax calculator: price in, SDLT out — current England/NI bands, first-time-buyer relief context and the +5% second-home surcharge.",
   "category": "Money & Business"
  },
  {
   "id": "uk-mileage-allowance-calculator",
   "name": "UK Mileage Allowance Calculator",
   "url": "https://toolfyra.vercel.app/uk-mileage-allowance-calculator.html",
   "description": "Free UK mileage calculator: AMAP rates (45p first 10,000 miles, 25p after) — business miles value, employer reimbursements gap, and the Mileage Allowance Relief you can claim.",
   "category": "Money & Business"
  },
  {
   "id": "uk-inheritance-tax-calculator",
   "name": "UK Inheritance Tax Calculator",
   "url": "https://toolfyra.vercel.app/uk-inheritance-tax-calculator.html",
   "description": "Free UK IHT calculator: estate value, home left to children, spouse context — nil-rate band £325k + residence allowance £175k, 40% above, with the pass-to-spouse note.",
   "category": "Money & Business"
  },
  {
   "id": "canada-take-home-calculator",
   "name": "Canada Take-Home Calculator",
   "url": "https://toolfyra.vercel.app/canada-take-home-calculator.html",
   "description": "Free Canadian salary calculator: gross to take-home with federal brackets, basic personal amount, CPP and EI premiums — provincial tax as editable estimate.",
   "category": "Money & Business"
  },
  {
   "id": "australia-take-home-calculator",
   "name": "Australia Take-Home Calculator",
   "url": "https://toolfyra.vercel.app/australia-take-home-calculator.html",
   "description": "Free Australian salary calculator: gross to take-home with stage-3 tax rates, Medicare levy and the tax-free threshold — fortnightly and monthly views.",
   "category": "Money & Business"
  },
  {
   "id": "fire-number-calculator",
   "name": "FIRE Number Calculator",
   "url": "https://toolfyra.vercel.app/fire-number-calculator.html",
   "description": "Free FIRE calculator: annual expenses × 25 = your FIRE number, plus years-to-FI from your savings rate — lean, regular and fat FIRE at a glance.",
   "category": "Money & Business"
  },
  {
   "id": "withdrawal-rate-calculator",
   "name": "Withdrawal Rate Calculator",
   "url": "https://toolfyra.vercel.app/withdrawal-rate-calculator.html",
   "description": "Free withdrawal rate calculator: portfolio in, sustainable annual and monthly income out — 3%, 3.5% and 4% rules compared with success-rate context.",
   "category": "Money & Business"
  },
  {
   "id": "retirement-drawdown-calculator",
   "name": "Retirement Drawdown Calculator",
   "url": "https://toolfyra.vercel.app/retirement-drawdown-calculator.html",
   "description": "Free retirement drawdown calculator: savings, annual spending, returns and inflation — see how many years your money lasts, with an editable return assumption.",
   "category": "Money & Business"
  },
  {
   "id": "cooking-unit-converter",
   "name": "Cooking Unit Converter",
   "url": "https://toolfyra.vercel.app/cooking-unit-converter.html",
   "description": "Free cooking converter: cups, tablespoons, teaspoons, fluid ounces, milliliters and grams (by ingredient density) — US/UK recipe conversions in one click.",
   "category": "Calculators"
  },
  {
   "id": "unit-price-comparator",
   "name": "Unit Price Comparator",
   "url": "https://toolfyra.vercel.app/unit-price-comparator.html",
   "description": "Free unit price comparator: compare two pack sizes and prices — which is actually cheaper per 100g/oz/unit, including the bulk-buy verdict.",
   "category": "Calculators"
  },
  {
   "id": "pet-cost-calculator",
   "name": "Pet Cost Calculator",
   "url": "https://toolfyra.vercel.app/pet-cost-calculator.html",
   "description": "Free pet cost calculator: food, vet, insurance, grooming and boarding for dogs and cats — the honest first-year and ongoing costs before you adopt.",
   "category": "Calculators"
  },
  {
   "id": "moving-cost-estimator",
   "name": "Moving Cost Estimator",
   "url": "https://toolfyra.vercel.app/moving-cost-estimator.html",
   "description": "Free moving cost estimator: home size and distance in — DIY truck+gas vs professional movers compared, with the hidden costs list most people forget.",
   "category": "Money & Business"
  },
  {
   "id": "roommate-bill-split-calculator",
   "name": "Roommate Bill Split Calculator",
   "url": "https://toolfyra.vercel.app/roommate-bill-split-calculator.html",
   "description": "Free roommate split calculator: rent, utilities and shared bills split fairly — equal shares or by room size, with a printable breakdown for the group chat.",
   "category": "Money & Business"
  },
  {
   "id": "subscription-audit-calculator",
   "name": "Subscription Audit Calculator",
   "url": "https://toolfyra.vercel.app/subscription-audit-calculator.html",
   "description": "Free subscription audit: add every Netflix, Spotify, gym and app subscription — see the shocking annual total and what investing it instead could grow to.",
   "category": "Money & Business"
  },
  {
   "id": "amazon-fee-calculator",
   "name": "Amazon Fee Calculator",
   "url": "https://toolfyra.vercel.app/amazon-fee-calculator.html",
   "description": "Free Amazon seller fee calculator: price and category in — referral fee (~8-15%), FBA fulfillment estimate, and your true profit margin after all Amazon cuts.",
   "category": "Money & Business"
  },
  {
   "id": "ebay-fee-calculator",
   "name": "eBay Fee Calculator",
   "url": "https://toolfyra.vercel.app/ebay-fee-calculator.html",
   "description": "Free eBay fee calculator: sale price, category final value fee (~13.6% typical) and per-order fee — your true payout after eBay's cut, shipping and costs.",
   "category": "Money & Business"
  },
  {
   "id": "etsy-fee-calculator",
   "name": "Etsy Fee Calculator",
   "url": "https://toolfyra.vercel.app/etsy-fee-calculator.html",
   "description": "Free Etsy fee calculator: listing fee $0.20, 6.5% transaction fee, payment processing ~3% + $0.25, offsite-ads warning — your true per-sale profit.",
   "category": "Money & Business"
  },
  {
   "id": "reseller-margin-calculator",
   "name": "Reseller Margin Calculator",
   "url": "https://toolfyra.vercel.app/reseller-margin-calculator.html",
   "description": "Free reseller profit calculator: buy cost, sale price, marketplace fees and shipping — net profit, margin, ROI and the 3x rule verdict for flippers.",
   "category": "Money & Business"
  },
  {
   "id": "fuel-cost-calculator",
   "name": "Fuel Cost Calculator",
   "url": "https://toolfyra.vercel.app/fuel-cost-calculator.html",
   "description": "Free fuel cost calculator: trip distance, vehicle MPG and gas price — total fuel cost per person, plus return-trip and one-way toggles.",
   "category": "Travel & Documents"
  },
  {
   "id": "ev-vs-gas-calculator",
   "name": "EV vs Gas Calculator",
   "url": "https://toolfyra.vercel.app/ev-vs-gas-calculator.html",
   "description": "Free EV vs gas calculator: compare driving costs per mile and per year — home charging rates vs gas prices, with maintenance-savings context.",
   "category": "Travel & Documents"
  },
  {
   "id": "jet-lag-advisor",
   "name": "Jet Lag Advisor",
   "url": "https://toolfyra.vercel.app/jet-lag-advisor.html",
   "description": "Free jet lag advisor: time zones crossed in, recovery days and adaptation tips out — east-vs-west rules of thumb, light exposure and sleep-shift schedule.",
   "category": "Travel & Documents"
  },
  {
   "id": "travel-budget-calculator",
   "name": "Travel Budget Calculator",
   "url": "https://toolfyra.vercel.app/travel-budget-calculator.html",
   "description": "Free travel budget calculator: days, daily spend style, flights and activities — total trip cost with the 15% emergency buffer professionals add.",
   "category": "Travel & Documents"
  },
  {
   "id": "vacation-accrual-calculator",
   "name": "Vacation Accrual Calculator",
   "url": "https://toolfyra.vercel.app/vacation-accrual-calculator.html",
   "description": "Free PTO accrual calculator: annual allowance, hours worked and usage — see accrued vacation hours, remaining balance and your next full day earned.",
   "category": "Money & Business"
  },
  {
   "id": "invoice-late-fee-calculator",
   "name": "Invoice Late Fee Calculator",
   "url": "https://toolfyra.vercel.app/invoice-late-fee-calculator.html",
   "description": "Free late invoice calculator: invoice amount, due date and daily rate — interest owed, running total by month, and a polite-but-firm chase email template.",
   "category": "Money & Business"
  },
  {
   "id": "freelance-rate-calculator",
   "name": "Freelance Rate Calculator",
   "url": "https://toolfyra.vercel.app/freelance-rate-calculator.html",
   "description": "Free freelance rate calculator: target salary + expenses + billable hours + taxes = your true hourly rate — the math most freelancers get wrong by 40%.",
   "category": "Money & Business"
  },
  {
   "id": "grade-calculator",
   "name": "Grade Calculator",
   "url": "https://toolfyra.vercel.app/grade-calculator.html",
   "description": "Free grade calculator: enter category weights and scores (homework 20%, midterm 30%…) — current weighted grade, letter equivalent, and what's still possible.",
   "category": "Calculators"
  },
  {
   "id": "final-exam-grade-calculator",
   "name": "Final Exam Grade Calculator",
   "url": "https://toolfyra.vercel.app/final-exam-grade-calculator.html",
   "description": "Free final grade calculator: current grade, exam weight and target — the exact score you need on the final, with honest feasibility verdicts.",
   "category": "Calculators"
  },
  {
   "id": "business-days-calculator",
   "name": "Business Days Calculator",
   "url": "https://toolfyra.vercel.app/business-days-calculator.html",
   "description": "Free business days calculator: count working days between two dates (weekends excluded) or add N business days to a date — deadline math for contracts and SLAs.",
   "category": "Calculators"
  },
  {
   "id": "ats-resume-scanner",
   "name": "ATS Resume Scanner",
   "url": "https://toolfyra.vercel.app/ats-resume-scanner.html",
   "description": "Free ATS resume scanner: paste a job description and your resume — see keyword match rate, missing must-have terms, and fix list before you apply. 100% private.",
   "category": "Text Tools"
  },
  {
   "id": "linkedin-headline-generator",
   "name": "LinkedIn Headline Generator",
   "url": "https://toolfyra.vercel.app/linkedin-headline-generator.html",
   "description": "Free LinkedIn headline generator: role + value + proof formulas — 6 headline variants beyond 'Manager at X', with the character limit checked.",
   "category": "Generators"
  },
  {
   "id": "cold-email-generator",
   "name": "Cold Email Generator",
   "url": "https://toolfyra.vercel.app/cold-email-generator.html",
   "description": "Free cold email generator: goal and context in — short, personal outreach emails out (sales, freelance pitch, job inquiry, collaboration) with follow-up sequences.",
   "category": "SEO & Marketing"
  },
  {
   "id": "crypto-profit-calculator",
   "name": "Crypto Profit Calculator",
   "url": "https://toolfyra.vercel.app/crypto-profit-calculator.html",
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   "category": "Money & Business"
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   "description": "Free Zakat calculator with 2026 nisab: enter gold, silver, cash, investments and liabilities — get your exact 2.5% Zakat. Hanafi method, editable gold/silver rates, private.",
   "category": "Money & Business"
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   "description": "Draw your signature and place it on any PDF page — all in your browser with zero uploads. Choose page, position and size, then download the signed PDF. Free, private, watermark-free.",
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   "category": "Money & Business"
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   "title": "EU261 Flight Compensation: Claim Yourself for Free (2026 Guide + Letter)",
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}