# CrazyTools4U - 170+ Free Offline Web Utilities & SEO Tools > High-performance, 100% private in-browser utilities powered by WebAssembly, FFmpeg WASM, Tesseract.js, and client-side web APIs. Zero server uploads. Website: https://crazytools4u.vercel.app ## Tool Categories ### Image Utilities Convert, compress, resize, edit, crop, and vectorize images offline in your browser with zero server uploads. URL: https://crazytools4u.vercel.app/category/image-utilities ### Audio & Media Convert audio formats, extract sound from videos, and transcode media locally using FFmpeg WebAssembly. URL: https://crazytools4u.vercel.app/category/audio-and-media ### PDF Utilities Merge, split, compress, protect, decrypt, watermark, and convert PDF documents in your browser with 100% data confidentiality. URL: https://crazytools4u.vercel.app/category/pdf-utilities ### Developer Utilities Code minifiers, beautifiers, JSON/SQL validators, regex playgrounds, JWT debuggers, diff checkers, and hash calculators. URL: https://crazytools4u.vercel.app/category/developer-utilities ### Text & Writing Word and character counters, case converters, line cleaners, duplicate erasers, slug generators, and speech synthesizers. URL: https://crazytools4u.vercel.app/category/text-and-writing ### Social & Marketing Dynamic QR code creators, UTM campaign builders, social card previewers, link obfuscators, and screen recorders. URL: https://crazytools4u.vercel.app/category/social-and-marketing ### QR & Barcode Studio Generate customized vector QR codes for WiFi, vCards, WhatsApp, and scan 1D/2D barcodes with camera or image upload. URL: https://crazytools4u.vercel.app/category/qr-and-barcode ### Calculations & Math Scientific calculations, percentages, amortized loans, compound interest, exact age, currency exchange, and unit conversions. URL: https://crazytools4u.vercel.app/category/calculations-and-math ### Miscellaneous Stopwatches, decision wheels, countdown timers, and specialized offline micro-tools. URL: https://crazytools4u.vercel.app/category/miscellaneous ## Complete Tools Directory - [Image to Text (OCR)](https://crazytools4u.vercel.app/tools/image-to-text-ocr): Free, 100% client-side image to text (ocr) in category Image Utilities. - [Image Converter](https://crazytools4u.vercel.app/tools/image-converter): Free, 100% client-side image converter in category Image Utilities. - [Image Compressor](https://crazytools4u.vercel.app/tools/image-compressor): Free, 100% client-side image compressor in category Image Utilities. - [Background Remover](https://crazytools4u.vercel.app/tools/background-remover): Free, 100% client-side background remover in category Image Utilities. - [SVG to PNG Converter](https://crazytools4u.vercel.app/tools/svg-to-png-converter): Free, 100% client-side svg to png converter in category Image Utilities. - [PNG to SVG Vectorizer](https://crazytools4u.vercel.app/tools/png-to-svg-vectorizer): Free, 100% client-side png to svg vectorizer in category Image Utilities. - [Image Resizer & Cropper](https://crazytools4u.vercel.app/tools/image-resizer-cropper): Free, 100% client-side image resizer & cropper in category Image Utilities. - [Favicon Suite Generator](https://crazytools4u.vercel.app/tools/favicon-suite-generator): Free, 100% client-side favicon suite generator in category Image Utilities. - [Image Color Picker](https://crazytools4u.vercel.app/tools/image-color-picker): Free, 100% client-side image color picker in category Image Utilities. - [Dynamic Meme Generator](https://crazytools4u.vercel.app/tools/dynamic-meme-generator): Free, 100% client-side dynamic meme generator in category Image Utilities. - [Watermark Overlay Tool](https://crazytools4u.vercel.app/tools/watermark-overlay-tool): Free, 100% client-side watermark overlay tool in category Image Utilities. - [Photo Filter Studio](https://crazytools4u.vercel.app/tools/photo-filter-studio): Free, 100% client-side photo filter studio in category Image Utilities. - [Base64 Image Encoder](https://crazytools4u.vercel.app/tools/base64-image-encoder): Free, 100% client-side base64 image encoder in category Image Utilities. - [Gaussian Blur Filter](https://crazytools4u.vercel.app/tools/gaussian-blur-filter): Free, 100% client-side gaussian blur filter in category Image Utilities. - [WebP Optimization Suite](https://crazytools4u.vercel.app/tools/webp-optimization-suite): Free, 100% client-side webp optimization suite in category Image Utilities. - [Image Divider / Splitter](https://crazytools4u.vercel.app/tools/image-divider-splitter): Free, 100% client-side image divider / splitter in category Image Utilities. - [EXIF Metadata Stripper](https://crazytools4u.vercel.app/tools/exif-metadata-stripper): Free, 100% client-side exif metadata stripper in category Image Utilities. - [Image Upscaler (Up to 8x)](https://crazytools4u.vercel.app/tools/image-upscaler-2x): Free, 100% client-side image upscaler (up to 8x) in category Image Utilities. - [GIF Maker & Assembler](https://crazytools4u.vercel.app/tools/gif-maker-assembler): Free, 100% client-side gif maker & assembler in category Image Utilities. - [Rounded Corner Mask](https://crazytools4u.vercel.app/tools/rounded-corner-mask): Free, 100% client-side rounded corner mask in category Image Utilities. - [Gradient Background Generator](https://crazytools4u.vercel.app/tools/gradient-background): Free, 100% client-side gradient background generator in category Image Utilities. - [Audio Converter](https://crazytools4u.vercel.app/tools/audio-to-audio-converter): Free, 100% client-side audio converter in category Audio & Media. - [Video to Audio](https://crazytools4u.vercel.app/tools/video-to-audio-converter): Free, 100% client-side video to audio in category Audio & Media. - [Universal Media Converter](https://crazytools4u.vercel.app/tools/universal-media-converter): Free, 100% client-side universal media converter in category Audio & Media. - [Merge PDF](https://crazytools4u.vercel.app/tools/merge-pdf): Free, 100% client-side merge pdf in category PDF Utilities. - [Split PDF](https://crazytools4u.vercel.app/tools/split-pdf): Free, 100% client-side split pdf in category PDF Utilities. - [Compress PDF Document](https://crazytools4u.vercel.app/tools/compress-pdf-document): Free, 100% client-side compress pdf document in category PDF Utilities. - [PDF to JPG Extractor](https://crazytools4u.vercel.app/tools/pdf-to-jpg-extractor): Free, 100% client-side pdf to jpg extractor in category PDF Utilities. - [JPG to PDF Creator](https://crazytools4u.vercel.app/tools/jpg-to-pdf-creator): Free, 100% client-side jpg to pdf creator in category PDF Utilities. - [PDF to Text Scraper](https://crazytools4u.vercel.app/tools/pdf-to-text-scraper): Free, 100% client-side pdf to text scraper in category PDF Utilities. - [PDF Watermarker](https://crazytools4u.vercel.app/tools/pdf-watermarker): Free, 100% client-side pdf watermarker in category PDF Utilities. - [Add PDF Page Numbers](https://crazytools4u.vercel.app/tools/add-pdf-page-numbers): Free, 100% client-side add pdf page numbers in category PDF Utilities. - [PDF Page Reorganizer](https://crazytools4u.vercel.app/tools/pdf-page-reorganizer): Free, 100% client-side pdf page reorganizer in category PDF Utilities. - [Rotate PDF Layout](https://crazytools4u.vercel.app/tools/rotate-pdf-layout): Free, 100% client-side rotate pdf layout in category PDF Utilities. - [Protect PDF Password](https://crazytools4u.vercel.app/tools/protect-pdf-password): Free, 100% client-side protect pdf password in category PDF Utilities. - [Decrypt / Unlock PDF](https://crazytools4u.vercel.app/tools/decrypt-unlock-pdf): Free, 100% client-side decrypt / unlock pdf in category PDF Utilities. - [EPUB to PDF Converter](https://crazytools4u.vercel.app/tools/epub-to-pdf-converter): Free, 100% client-side epub to pdf converter in category PDF Utilities. - [HTML to PDF Sandbox](https://crazytools4u.vercel.app/tools/html-to-pdf-sandbox): Free, 100% client-side html to pdf sandbox in category PDF Utilities. - [Excel to PDF Converter](https://crazytools4u.vercel.app/tools/excel-to-pdf-converter): Free, 100% client-side excel to pdf converter in category PDF Utilities. - [JSON Validator & Formatter](https://crazytools4u.vercel.app/tools/json-validator-formatter): Free, 100% client-side json validator & formatter in category Developer Utilities. - [HTML Minifier](https://crazytools4u.vercel.app/tools/html-minifier): Free, 100% client-side html minifier in category Developer Utilities. - [HTML Beautifier](https://crazytools4u.vercel.app/tools/html-beautifier): Free, 100% client-side html beautifier in category Developer Utilities. - [CSS Minifier](https://crazytools4u.vercel.app/tools/css-minifier): Free, 100% client-side css minifier in category Developer Utilities. - [CSS Beautifier](https://crazytools4u.vercel.app/tools/css-beautifier): Free, 100% client-side css beautifier in category Developer Utilities. - [JavaScript Minifier](https://crazytools4u.vercel.app/tools/javascript-minifier): Free, 100% client-side javascript minifier in category Developer Utilities. - [JavaScript Beautifier](https://crazytools4u.vercel.app/tools/javascript-beautifier): Free, 100% client-side javascript beautifier in category Developer Utilities. - [SQL Query Formatter](https://crazytools4u.vercel.app/tools/sql-query-formatter): Free, 100% client-side sql query formatter in category Developer Utilities. - [Regex Engine Playground](https://crazytools4u.vercel.app/tools/regex-engine-playground): Free, 100% client-side regex engine playground in category Developer Utilities. - [File Diff Checker](https://crazytools4u.vercel.app/tools/file-diff-checker): Free, 100% client-side file diff checker in category Developer Utilities. - [XML to JSON Converter](https://crazytools4u.vercel.app/tools/xml-to-json-converter): Free, 100% client-side xml to json converter in category Developer Utilities. - [JSON to XML Converter](https://crazytools4u.vercel.app/tools/json-to-xml-converter): Free, 100% client-side json to xml converter in category Developer Utilities. - [URL Encoder & Decoder](https://crazytools4u.vercel.app/tools/url-encoder-decoder): Free, 100% client-side url encoder & decoder in category Developer Utilities. - [MD5/SHA-256 Hash Tool](https://crazytools4u.vercel.app/tools/md5sha-256-hash-tool): Free, 100% client-side md5/sha-256 hash tool in category Developer Utilities. - [JWT Parser & Debugger](https://crazytools4u.vercel.app/tools/jwt-parser-debugger): Free, 100% client-side jwt parser & debugger in category Developer Utilities. - [Markdown Previewer](https://crazytools4u.vercel.app/tools/markdown-previewer): Free, 100% client-side markdown previewer in category Developer Utilities. - [Cron Expression Generator](https://crazytools4u.vercel.app/tools/cron-expression-generator): Free, 100% client-side cron expression generator in category Developer Utilities. - [UUID Generator Suite](https://crazytools4u.vercel.app/tools/uuid-generator-suite): Free, 100% client-side uuid generator suite in category Developer Utilities. - [User Agent Analyzer](https://crazytools4u.vercel.app/tools/user-agent-analyzer): Free, 100% client-side user agent analyzer in category Developer Utilities. - [HTACCESS Script Builder](https://crazytools4u.vercel.app/tools/htaccess-script-builder): Free, 100% client-side htaccess script builder in category Developer Utilities. - [XML Sitemap Generator](https://crazytools4u.vercel.app/tools/xml-sitemap-generator): Free, 100% client-side xml sitemap generator in category Developer Utilities. - [Base64 Encoder/Decoder](https://crazytools4u.vercel.app/tools/base64): Free, 100% client-side base64 encoder/decoder in category Developer Utilities. - [Word & Character Counter](https://crazytools4u.vercel.app/tools/word-counter): Free, 100% client-side word & character counter in category Text & Writing. - [Case Converter Studio](https://crazytools4u.vercel.app/tools/case-converter-studio): Free, 100% client-side case converter studio in category Text & Writing. - [Duplicate Line Eraser](https://crazytools4u.vercel.app/tools/duplicate-line-eraser): Free, 100% client-side duplicate line eraser in category Text & Writing. - [Alphabetical Sorter](https://crazytools4u.vercel.app/tools/alphabetical-sorter): Free, 100% client-side alphabetical sorter in category Text & Writing. - [Find and Replace Master](https://crazytools4u.vercel.app/tools/find-and-replace-master): Free, 100% client-side find and replace master in category Text & Writing. - [URL Slug Generator](https://crazytools4u.vercel.app/tools/slug-generator): Free, 100% client-side url slug generator in category Text & Writing. - [Binary to Text Converter](https://crazytools4u.vercel.app/tools/binary-to-text-converter): Free, 100% client-side binary to text converter in category Text & Writing. - [Text to Binary Converter](https://crazytools4u.vercel.app/tools/text-to-binary-converter): Free, 100% client-side text to binary converter in category Text & Writing. - [Hex to Text Converter](https://crazytools4u.vercel.app/tools/hex-to-text-converter): Free, 100% client-side hex to text converter in category Text & Writing. - [Text to Hex Converter](https://crazytools4u.vercel.app/tools/text-to-hex-converter): Free, 100% client-side text to hex converter in category Text & Writing. - [Text to Speech Synthesizer](https://crazytools4u.vercel.app/tools/text-to-speech-synthesizer): Free, 100% client-side text to speech synthesizer in category Text & Writing. - [Random Line Picker](https://crazytools4u.vercel.app/tools/random-line-picker): Free, 100% client-side random line picker in category Text & Writing. - [Upside Down Text](https://crazytools4u.vercel.app/tools/upside-down-text): Free, 100% client-side upside down text in category Text & Writing. - [Blank Line Stripper](https://crazytools4u.vercel.app/tools/blank-line-stripper): Free, 100% client-side blank line stripper in category Text & Writing. - [Word Frequency Analyzer](https://crazytools4u.vercel.app/tools/word-frequency-analyzer): Free, 100% client-side word frequency analyzer in category Text & Writing. - [Gradient Text Formatter](https://crazytools4u.vercel.app/tools/gradient-text): Free, 100% client-side gradient text formatter in category Text & Writing. - [3D Text Builder](https://crazytools4u.vercel.app/tools/3d-text-builder): Free, 100% client-side 3d text builder in category Text & Writing. - [Dynamic Vector QR Creator](https://crazytools4u.vercel.app/tools/dynamic-vector-qr-creator): Free, 100% client-side dynamic vector qr creator in category Social & Marketing. - [QR Code Reader & Scanner](https://crazytools4u.vercel.app/tools/qr-scanner): Free, 100% client-side qr code reader & scanner in category Social & Marketing. - [WiFi Connection QR Builder](https://crazytools4u.vercel.app/tools/wifi-connection-qr-builder): Free, 100% client-side wifi connection qr builder in category Social & Marketing. - [WhatsApp Direct Link QR](https://crazytools4u.vercel.app/tools/whatsapp-direct-link-qr): Free, 100% client-side whatsapp direct link qr in category Social & Marketing. - [SMS Direct Query QR](https://crazytools4u.vercel.app/tools/sms-direct-query-qr): Free, 100% client-side sms direct query qr in category Social & Marketing. - [In-Memory Hash Shortener](https://crazytools4u.vercel.app/tools/in-memory-hash-shortener): Free, 100% client-side in-memory hash shortener in category Social & Marketing. - [UTM Dynamic Campaign Builder](https://crazytools4u.vercel.app/tools/utm-dynamic-campaign-builder): Free, 100% client-side utm dynamic campaign builder in category Social & Marketing. - [Deep Link Mobile App Router](https://crazytools4u.vercel.app/tools/deep-link-mobile-app-router): Free, 100% client-side deep link mobile app router in category Social & Marketing. - [Link Base64 Obfuscator](https://crazytools4u.vercel.app/tools/link-base64-obfuscator): Free, 100% client-side link base64 obfuscator in category Social & Marketing. - [Instagram Spacer](https://crazytools4u.vercel.app/tools/instagram-caption-spacer): Free, 100% client-side instagram spacer in category Social & Marketing. - [YouTube Thumbnail Grabber](https://crazytools4u.vercel.app/tools/youtube-thumbnail-grabber): Free, 100% client-side youtube thumbnail grabber in category Social & Marketing. - [X Character Budget Counter](https://crazytools4u.vercel.app/tools/x-character-budget-counter): Free, 100% client-side x character budget counter in category Social & Marketing. - [Hashtag Cloud Generator](https://crazytools4u.vercel.app/tools/hashtag-cloud-generator): Free, 100% client-side hashtag cloud generator in category Social & Marketing. - [Bio-Link Page Generator](https://crazytools4u.vercel.app/tools/bio-link-page-generator): Free, 100% client-side bio-link page generator in category Social & Marketing. - [Video to GIF Converter](https://crazytools4u.vercel.app/tools/video-to-gif-converter): Free, 100% client-side video to gif converter in category Social & Marketing. - [Emoji Directory & Search](https://crazytools4u.vercel.app/tools/emoji-directory-search): Free, 100% client-side emoji directory & search in category Social & Marketing. - [Story Overlay Composer](https://crazytools4u.vercel.app/tools/story-overlay-composer): Free, 100% client-side story overlay composer in category Social & Marketing. - [Watermark Erase Patch](https://crazytools4u.vercel.app/tools/watermark-erase-patch): Free, 100% client-side watermark erase patch in category Social & Marketing. - [Social Feed Card Previewer](https://crazytools4u.vercel.app/tools/social-feed-card-previewer): Free, 100% client-side social feed card previewer in category Social & Marketing. - [Trending Index Tracker](https://crazytools4u.vercel.app/tools/trending-index-tracker): Free, 100% client-side trending index tracker in category Social & Marketing. - [QR Code Reader](https://crazytools4u.vercel.app/tools/qr-code-reader): Free, 100% client-side qr code reader in category QR & Barcode Studio. - [Barcode Reader](https://crazytools4u.vercel.app/tools/barcode-reader): Free, 100% client-side barcode reader in category QR & Barcode Studio. - [Barcode Generator Studio](https://crazytools4u.vercel.app/tools/barcode-generator): Free, 100% client-side barcode generator studio in category QR & Barcode Studio. - [vCard Business Card QR](https://crazytools4u.vercel.app/tools/vcard-qr-generator): Free, 100% client-side vcard business card qr in category QR & Barcode Studio. - [MeCard Quick Contact QR](https://crazytools4u.vercel.app/tools/mecard-qr-generator): Free, 100% client-side mecard quick contact qr in category QR & Barcode Studio. - [Email Template QR](https://crazytools4u.vercel.app/tools/email-qr-generator): Free, 100% client-side email template qr in category QR & Barcode Studio. - [Phone Call QR](https://crazytools4u.vercel.app/tools/phone-qr-generator): Free, 100% client-side phone call qr in category QR & Barcode Studio. - [Calendar Event QR](https://crazytools4u.vercel.app/tools/event-qr-generator): Free, 100% client-side calendar event qr in category QR & Barcode Studio. - [Social Media Profile QR](https://crazytools4u.vercel.app/tools/social-media-qr-generator): Free, 100% client-side social media profile qr in category QR & Barcode Studio. - [Crypto Payment QR](https://crazytools4u.vercel.app/tools/crypto-qr-generator): Free, 100% client-side crypto payment qr in category QR & Barcode Studio. - [Percentage Calculator](https://crazytools4u.vercel.app/tools/percentage-calculator): Free, 100% client-side percentage calculator in category Calculations & Math. - [Amortized Loan Calculator](https://crazytools4u.vercel.app/tools/amortized-loan-calculator): Free, 100% client-side amortized loan calculator in category Calculations & Math. - [BMI Health Calculator](https://crazytools4u.vercel.app/tools/bmi-health-calculator): Free, 100% client-side bmi health calculator in category Calculations & Math. - [Exact Age Calculator](https://crazytools4u.vercel.app/tools/exact-age-calculator): Free, 100% client-side exact age calculator in category Calculations & Math. - [Calculator](https://crazytools4u.vercel.app/tools/scientific-canvas-calculator): Free, 100% client-side calculator in category Calculations & Math. - [Compound Interest Planner](https://crazytools4u.vercel.app/tools/compound-interest-planner): Free, 100% client-side compound interest planner in category Calculations & Math. - [Dynamic Unit Converter](https://crazytools4u.vercel.app/tools/dynamic-unit-converter): Free, 100% client-side dynamic unit converter in category Calculations & Math. - [Live Currency Converter](https://crazytools4u.vercel.app/tools/currency-converter): Free, 100% client-side live currency converter in category Calculations & Math. - [Binary Arithmetic Solver](https://crazytools4u.vercel.app/tools/binary-arithmetic-solver): Free, 100% client-side binary arithmetic solver in category Calculations & Math. - [Sales Tax / VAT Estimator](https://crazytools4u.vercel.app/tools/sales-tax-vat-estimator): Free, 100% client-side sales tax / vat estimator in category Calculations & Math. - [Prime Factorization Finder](https://crazytools4u.vercel.app/tools/prime-factorization-finder): Free, 100% client-side prime factorization finder in category Calculations & Math. - [Standard Deviation Calculator](https://crazytools4u.vercel.app/tools/standard-deviation-calculator): Free, 100% client-side standard deviation calculator in category Calculations & Math. - [Fraction Simplifier Engine](https://crazytools4u.vercel.app/tools/fraction-simplifier-engine): Free, 100% client-side fraction simplifier engine in category Calculations & Math. - [Matrix Algebra Operator](https://crazytools4u.vercel.app/tools/matrix-algebra-operator): Free, 100% client-side matrix algebra operator in category Calculations & Math. - [Fibonacci Sequence Generator](https://crazytools4u.vercel.app/tools/fibonacci-sequence-generator): Free, 100% client-side fibonacci sequence generator in category Calculations & Math. - [Secure Password Generator](https://crazytools4u.vercel.app/tools/password-generator): Free, 100% client-side secure password generator in category Miscellaneous. - [Screen Recorder Component](https://crazytools4u.vercel.app/tools/screen-recorder-component): Free, 100% client-side screen recorder component in category Miscellaneous. - [Voice Dictation Recorder](https://crazytools4u.vercel.app/tools/voice-dictation-recorder): Free, 100% client-side voice dictation recorder in category Miscellaneous. - [Browser Internet Speed Test](https://crazytools4u.vercel.app/tools/browser-internet-speed-test): Free, 100% client-side browser internet speed test in category Miscellaneous. - [IP & Geolocation Inspector](https://crazytools4u.vercel.app/tools/ip-geolocation-inspector): Free, 100% client-side ip & geolocation inspector in category Miscellaneous. - [High-Accuracy Stopwatch](https://crazytools4u.vercel.app/tools/high-accuracy-stopwatch): Free, 100% client-side high-accuracy stopwatch in category Miscellaneous. - [Color Standards Converter](https://crazytools4u.vercel.app/tools/color-converter): Free, 100% client-side color standards converter in category Miscellaneous. - [World Time Zone Converter](https://crazytools4u.vercel.app/tools/time-zone-converter): Free, 100% client-side world time zone converter in category Miscellaneous. - [Decision Wheel Spinner](https://crazytools4u.vercel.app/tools/decision-wheel-spinner): Free, 100% client-side decision wheel spinner in category Miscellaneous. - [Morse Code Synthesizer](https://crazytools4u.vercel.app/tools/morse-code-synthesizer): Free, 100% client-side morse code synthesizer in category Miscellaneous. - [Text to ASCII Art Grid](https://crazytools4u.vercel.app/tools/text-to-ascii-art-grid): Free, 100% client-side text to ascii art grid in category Miscellaneous. - [Metronome Rhythm Keeper](https://crazytools4u.vercel.app/tools/metronome-rhythm-keeper): Free, 100% client-side metronome rhythm keeper in category Miscellaneous. - [Sound Wave Tone Generator](https://crazytools4u.vercel.app/tools/sound-wave-tone-generator): Free, 100% client-side sound wave tone generator in category Miscellaneous. - [Stopwatch Time Split Recorder](https://crazytools4u.vercel.app/tools/stopwatch-time-split-recorder): Free, 100% client-side stopwatch time split recorder in category Miscellaneous.