# Fix42

> Fix42 (https://fix42.com) is a free online toolkit with 90+ tools for file conversion, PDF editing, video/image processing, developer utilities, social media content, bioinformatics, and business documents. No signup, no cost. Standout tools: the HTML to Video converter (HTML/CSS animations to MP4, 1-15 s), the Braille ASCII Art generator (images to Unicode braille art, fully in-browser), and the AI Chat Extractor (export ChatGPT, Claude & Grok conversations to Markdown, text, or JSON).

Key facts:

- Every tool is free and requires no account or signup.
- Privacy: tools marked "In-browser" process data entirely on the user's device; nothing is uploaded. Tools marked "Server-processed" upload data to Fix42's server for processing; uploaded files are deleted automatically.
- All numeric limits below are taken from the tools' validation code.

## AI Chat & LLM Tools

- [AI Chat Extractor](https://fix42.com/tools/ai-chat-extractor/): Export ChatGPT, Claude & Grok conversations from public share links or pasted text; download as Markdown, plain text, or JSON. Free, no signup. Server-processed in memory, never stored.
- [AI Token Calculator](https://fix42.com/tools/token-calculator/): Count tokens for AI/LLM models and estimate API costs. In-browser.
- [TOON Converter](https://fix42.com/tools/toon-converter/): Convert JSON/YAML to the token-saving TOON format for LLM prompts. In-browser.

## Guides

- [How to Export a ChatGPT Conversation (PDF, Markdown, Text)](https://fix42.com/guides/export-chatgpt-conversation/): Share-link and paste-mode routes to save a single ChatGPT chat, and what OpenAI's built-in export leaves out.
- [How to Save a Claude Conversation as Markdown or PDF](https://fix42.com/guides/save-claude-conversation/): Claude-specific export walkthrough, including share-link fetching and paste mode.
- [Archiving Your AI Chats: Formats, Tools, and What to Keep](https://fix42.com/guides/archive-ai-chats/): Markdown vs PDF vs JSON tradeoffs and a monthly archiving workflow.
- [How to Convert a CSS Animation to MP4](https://fix42.com/guides/css-animation-to-mp4/): Step-by-step with a copy-pasteable bouncing-ball example and recommended settings.
- [How to Turn a CSS Animation into a GIF](https://fix42.com/guides/css-animation-to-gif/): Skeleton-shimmer worked example, GIF vs MP4 tradeoffs, loop settings.
- [How to Record an HTML/JS Animation as Video](https://fix42.com/guides/record-html-animation/): Capture animations without a screen recorder; typewriter-terminal example.
- [Convert HTML5 Banner Ads to Video](https://fix42.com/guides/html5-banner-to-video/): Turn animated banners into MP4 for platforms that reject HTML5 creatives.
- [Turn Code/Web Animations into Instagram & TikTok Videos](https://fix42.com/guides/code-animation-for-social-media/): Vertical 9:16 workflow with a "dev tip" reel example.
- [Text Art for Discord](https://fix42.com/guides/text-art-for-discord/): Braille art, ASCII fonts, the code-block trick, and Discord's character limits.
- [How Braille Art Works](https://fix42.com/guides/braille-art-generator-guide/): The U+2800 dot-matrix encoding and how to make your own from any image.
- [ASCII & Text Art for Twitch, YouTube and Game Chats](https://fix42.com/guides/ascii-art-for-twitch-and-chats/): Chat limits, spam filters, and safe sizes per platform.

## Image & Creative

- [Image Converter](https://fix42.com/tools/image-converter/): Convert PNG, JPG, and WebP images up to 50 MB. Server-processed.
- [HEIC to JPG Converter](https://fix42.com/tools/heic-to-jpg/): Convert iPhone HEIC photos (up to 50 MB each) to JPG, PNG, or WebP. In-browser.
- [SVG Converter](https://fix42.com/tools/svg-converter/): Trace raster images into scalable SVG vectors. Server-processed.
- [SVG Code to Image](https://fix42.com/tools/svg-code-to-image/): Render SVG markup to PNG, JPG, or WebP up to 4096×4096. In-browser.
- [HTML to Image](https://fix42.com/tools/html-to-image/): Convert HTML/CSS code to PNG, JPG, or WebP up to 4096 px. In-browser by default; capturing a live URL uses the server.
- [HTML to Video Converter](https://fix42.com/tools/html-to-video/): Convert HTML/CSS animations to MP4 video, 1-15 seconds, 15-60 fps, up to 1920×1080. Free, no signup. Server-processed.
- [HTML to GIF Converter](https://fix42.com/tools/html-to-gif/): Convert HTML/CSS animations to animated GIF, 0.5-10 seconds, up to 1920×1080. Server-processed.
- [Video to GIF Converter](https://fix42.com/tools/video-to-gif/): Convert MP4/WebM/MOV videos (up to 100 MB) to GIF clips of up to 30 seconds. Server-processed.
- [GIF to Video Converter](https://fix42.com/tools/gif-to-video/): Convert animated GIFs (up to 50 MB) to MP4, WebM, or MOV. Server-processed.
- [Video Compressor](https://fix42.com/tools/video-compressor/): Compress MP4/WebM/MOV videos up to 500 MB to reduce file size. Server-processed.
- [Video to MP3 Converter](https://fix42.com/tools/video-to-mp3/): Extract audio from videos (up to 500 MB) as MP3, WAV, AAC, or FLAC. Server-processed.
- [Doodle Video Maker](https://fix42.com/tools/doodle-video-maker/): Draw whiteboard-style animations in the browser; MP4/GIF export (up to 1080p, 15-60 fps) is server-rendered.
- [Doodle Images Generator](https://fix42.com/tools/image-to-doodle/): Turn photos into doodle pictures and line art. Server-processed.
- [Braille ASCII Art](https://fix42.com/tools/braille-ascii-art/): Convert images to Unicode braille art (20-120 characters wide) for WhatsApp, Discord, and comments. In-browser.
- [SVG Blob Generator](https://fix42.com/tools/svg-blob-generator/): Generate organic SVG blob shapes for web design. In-browser.
- [Cool Text Art Generator](https://fix42.com/tools/ascii-art-generator/): Create text drawings and ASCII art for WhatsApp and Discord. In-browser.
- [Meme Generator](https://fix42.com/tools/meme-generator/): Create memes from popular templates, no watermarks. In-browser.
- [Quote Image Generator](https://fix42.com/tools/quote-image-generator/): Create shareable quote graphics for social media. In-browser.
- [Social Image Resizer](https://fix42.com/tools/social-image-resizer/): Resize images to Instagram, Twitter/X, LinkedIn, and Facebook dimensions. In-browser.
- [Image Combiner](https://fix42.com/tools/image-combiner/): Combine multiple images into one with horizontal, vertical, or grid layouts. In-browser.
- [Photo Date Changer](https://fix42.com/tools/photo-date-changer/): Change EXIF dates and timestamps on photos. In-browser.
- [Video to ASCII Art Animation](https://fix42.com/tools/video-to-ascii-animation/): Turn short videos into playing ASCII or braille art animations; preview, copy frames as text, or export WebM. In-browser.
- [Podcast Audiogram Maker](https://fix42.com/tools/audiogram-maker/): Turn audio clips (up to 50 MB, output trimmed to 120 s) into waveform videos for social media (square, vertical, or landscape), no watermark. Server-processed.
- [Telegram & Discord Sticker Converter](https://fix42.com/tools/sticker-converter/): Convert video or GIF (up to 50 MB) into spec-compliant Telegram WebM stickers/emoji and Discord APNG stickers, with optional chroma-key transparency. Server-processed.

## PDF Tools

- [PDF Merger](https://fix42.com/tools/pdf-merger/): Merge PDFs (up to 50 MB per file, no file-count cap) into one document. Server-processed.
- [PDF Splitter](https://fix42.com/tools/pdf-splitter/): Split PDFs by pages or page range. Server-processed.
- [PDF Add Password](https://fix42.com/tools/pdf-add-password/): Password-protect PDF files. Server-processed.
- [PDF Remove Password](https://fix42.com/tools/pdf-remove-password/): Unlock password-protected PDFs (requires the password). Server-processed.
- [PDF Rotator](https://fix42.com/tools/pdf-rotator/): Rotate PDF pages to fix orientation. Server-processed.
- [Image to PDF](https://fix42.com/tools/image-to-pdf/): Convert images (up to 20 MB each) into a PDF document. Server-processed.
- [PDF Watermark](https://fix42.com/tools/pdf-watermark/): Add text or image watermarks to PDFs. Server-processed.
- [PDF Compressor](https://fix42.com/tools/pdf-compressor/): Compress PDFs up to 50 MB to reduce file size. Server-processed.
- [Scanned PDF Converter](https://fix42.com/tools/scanned-pdf-converter/): Enhance scanned documents with quality adjustments. In-browser.
- [PDF Signer](https://fix42.com/tools/pdf-signer/): Sign PDFs with drawn, typed, or uploaded signatures. In-browser.
- [HTML to PDF](https://fix42.com/tools/html-to-pdf/): Convert HTML code or webpage URLs to PDF (A4, Letter, A3, Legal, A5) with live preview. Server-processed.
- [Markdown to PDF](https://fix42.com/tools/markdown-to-pdf/): Convert Markdown documents to formatted PDF files. In-browser.
- [Markdown to Word](https://fix42.com/tools/markdown-to-word/): Convert Markdown to a Microsoft Word document. In-browser.

## Social Media

- [YouTube Thumbnail Extractor](https://fix42.com/tools/youtube-thumbnail-extractor/): Get HD thumbnails for any YouTube video, loaded directly from YouTube's image CDN. In-browser.
- [Reddit Post Generator](https://fix42.com/tools/reddit-post-generator/): Create realistic Reddit post mockups for presentations. In-browser.
- [Twitter Card Preview](https://fix42.com/tools/twitter-card-preview/): Preview how a link's card renders on Twitter/X, Facebook, LinkedIn, and Discord. Server-processed (crawls the URL like a real social bot).
- [Instagram Grid Planner](https://fix42.com/tools/instagram-grid-planner/): Plan and preview an Instagram feed layout before posting. In-browser.
- [LinkedIn Post Formatter](https://fix42.com/tools/linkedin-post-formatter/): Create bold, italic, and styled Unicode text for LinkedIn posts. In-browser.
- [Tweet & Thread Mockup Generator](https://fix42.com/tools/fake-tweet-generator/): Create realistic Twitter/X post and thread mockups. In-browser.
- [WhatsApp Chat Generator](https://fix42.com/tools/whatsapp-chat-generator/): Create mock WhatsApp conversation screenshots. In-browser.
- [WhatsApp Status Generator](https://fix42.com/tools/whatsapp-status-generator/): Create realistic WhatsApp status screenshots. In-browser.
- [Fancy Text Generator](https://fix42.com/tools/fancy-text-generator/): Generate cool Unicode fonts for Instagram, Twitter/X, and TikTok. In-browser.
- [Emoji Keyboard](https://fix42.com/tools/emoji-keyboard/): Copy and paste from a catalog of 1800+ emojis. In-browser.
- [Upside Down Text Generator](https://fix42.com/tools/upside-down-text-generator/): Flip text upside down for social bios and usernames. In-browser.
- [Morse Code Translator](https://fix42.com/tools/morse-code-translator/): Convert text to Morse code and back, with audio playback. In-browser.
- [Text to Binary Converter](https://fix42.com/tools/text-to-binary/): Convert text to binary, hex, octal, and decimal. In-browser.

## Developer Tools

- [JSON Formatter](https://fix42.com/tools/json-formatter/): Format, validate, and fix JSON data. Server-processed (minify runs in-browser).
- [JSON ↔ CSV Converter](https://fix42.com/tools/json-csv-converter/): Convert between JSON and CSV in both directions. In-browser.
- [Table to Spreadsheet](https://fix42.com/tools/table-to-spreadsheet/): Paste HTML, Markdown, JSON, or ASCII tables and export CSV/Excel. In-browser.
- [Base64 Encoder](https://fix42.com/tools/base64/): Encode and decode Base64 strings. In-browser.
- [Hash Generator](https://fix42.com/tools/hash-generator/): Generate MD5, SHA-1, and SHA-256 hashes. In-browser.
- [URL Slug Generator](https://fix42.com/tools/url-slug-generator/): Convert text to SEO-friendly URL slugs. In-browser.
- [Markdown Preview](https://fix42.com/tools/markdown-preview/): Live Markdown editor with HTML export. In-browser.
- [JSON to RDF](https://fix42.com/tools/json-to-rdf/): Convert JSON to Turtle, N-Triples, RDF/XML, or JSON-LD. In-browser.
- [Diff Checker](https://fix42.com/tools/diff-checker/): Compare two texts and highlight differences. In-browser.
- [Sitemap Validator](https://fix42.com/tools/sitemap-validator/): Validate XML sitemaps for SEO compliance. Server-processed.
- [HTML Editor](https://fix42.com/tools/html-editor/): Online HTML/CSS/JS editor with live preview and console. In-browser.
- [CSS Gradient Generator](https://fix42.com/tools/css-gradient-generator/): Build CSS gradients with live preview and copyable code. In-browser.
- [llms.txt Generator](https://fix42.com/tools/llms-txt-generator/): Build a spec-compliant llms.txt from a pasted sitemap or URL list, with editable sections and descriptions. In-browser.

## Utility Tools

- [CSV Viewer](https://fix42.com/tools/csv-viewer/): View and analyze large CSV files. Files under 500 MB parse in-browser; larger files upload to the server and are auto-deleted after 24 hours.
- [Unit Converter](https://fix42.com/tools/unit-converter/): Convert between measurement units. In-browser.
- [Password Generator](https://fix42.com/tools/password-generator/): Generate secure random passwords with the Web Crypto API. In-browser; passwords never leave the device.
- [QR Code Generator](https://fix42.com/tools/qr-code-generator/): Create QR codes from text or URLs. Server-processed.
- [Barcode Generator](https://fix42.com/tools/barcode-generator/): Generate Code128, EAN, UPC, and other barcode formats. In-browser.
- [IP Address Lookup](https://fix42.com/tools/ip-address-lookup/): Look up IP geolocation, ISP, and network details (queries the ipapi.co service from the browser).
- [Webpage Size Checker](https://fix42.com/tools/webpage-size-checker/): Measure a webpage's total size and analyze its resources. Server-processed.
- [Signature Drawer](https://fix42.com/tools/signature-drawer/): Create digital signatures by drawing, typing, or uploading. In-browser.
- [Word Counter](https://fix42.com/tools/word-counter/): Count words and characters and analyze readability. In-browser.
- [Text Case Converter](https://fix42.com/tools/text-case/): Convert text between cases (upper, lower, title, camel, and more). In-browser.
- [Pomodoro Timer](https://fix42.com/tools/pomodoro-timer/): Focus timer with customizable work/break intervals. In-browser.
- [Certificate Generator](https://fix42.com/tools/certificate-generator/): Create and print certificates in bulk from a CSV list. In-browser.
- [File Date Changer](https://fix42.com/tools/file-date-changer/): Change file creation and modification dates. In-browser.

## Bioinformatics

All bioinformatics tools run fully in-browser; sequence data never leaves the device.

- [GenBank to FASTA](https://fix42.com/tools/genbank-to-fasta/): Convert GenBank files to FASTA format.
- [Reverse Complement](https://fix42.com/tools/reverse-complement/): Get the reverse complement of DNA sequences.
- [Primer Tm Calculator](https://fix42.com/tools/primer-tm/): Calculate primer melting temperatures.
- [GC Content Calculator](https://fix42.com/tools/gc-content/): Calculate GC percentage in sequences.
- [FASTQ Quality Viewer](https://fix42.com/tools/fastq-quality/): Visualize FASTQ sequence quality scores.

## Finance & Business

- [Paycheck Calculator](https://fix42.com/tools/paycheck-calculator/): Calculate take-home pay after taxes for the USA and Canada. In-browser.
- [Invoice Generator](https://fix42.com/tools/invoice-generator/): Create invoices and credit notes with logo, signature, and watermark; PDF download. In-browser.
- [Letterhead Generator](https://fix42.com/tools/letterhead-generator/): Create professional letterhead with logo and branding; free PDF download. In-browser.
- [Receipt Generator](https://fix42.com/tools/receipt-generator/): Create PDF receipts for cash, card, or online payments. In-browser.
- [Price Quote Generator](https://fix42.com/tools/price-quote-generator/): Create price quotes and estimates with terms. In-browser.
- [Resume Builder](https://fix42.com/tools/resume-builder/): Build ATS-friendly resumes with 7 templates. Resume editing and PDF export run in-browser; the optional AI assistant uses the server.
- [1099 Self-Employment Tax Calculator](https://fix42.com/tools/1099-self-employment-tax-calculator/): Calculate self-employment taxes, quarterly payments, and deductions. In-browser.
- [Amazon FBA Calculator](https://fix42.com/tools/amazon-fba-calculator/): Calculate Amazon FBA fees, referral fees, and profit margins. In-browser.
- [Bill of Sale Generator](https://fix42.com/tools/bill-of-sale-generator/): Create a formatted bill of sale for vehicles and property. In-browser.

## Educational

- [Math Animator](https://fix42.com/tools/math-animator/): Create animated math videos in the browser, a drag-and-drop Manim alternative. In-browser.
- [German Language Learning](https://fix42.com/tools/german-language-learning/): Practice German translation at CEFR levels A1-C2. Speech recognition, audio, and AI feedback are server-backed.

## Resources

- [Blog](https://fix42.com/blog/): Guides on file formats, data processing, and productivity.
- [About](https://fix42.com/about/): What Fix42 is and why it was built.
- [Contact](https://fix42.com/contact/): Get in touch or request a new tool.
- [Embeddable Widgets](https://fix42.com/embed/): Free embeddable QR code, unit converter, and password generator widgets for your own site (attribution link required).

## Optional

- [Privacy Policy](https://fix42.com/privacy/): How data is handled.
- [Terms of Service](https://fix42.com/terms/): Usage terms.