105 Vibe-Coded Tools
a year ago
- #ai-tools
- #productivity
- #web-development
- Tools on tools.simonwillison.net built using AI-assisted programming.
- Multi-Tab Chat app demonstrates real-time message sync across browser tabs using Broadcast Channel API.
- Transfer Time Calculator estimates file upload/download times with detailed breakdown.
- Date Calculator visualizes time spans between dates with business days/weekends marked.
- CSS Flexbox Playground provides interactive environment for testing flexbox properties.
- Conference schedule ICS generator with preview and download functionality.
- Annotated Presentation Creator adds accessibility alt text and markdown annotations to slides.
- SVG to JPEG/PNG converter with customizable output settings.
- Gemini API JSON visualizer for image generation responses.
- HTML Live Preview tool with responsive layout testing.
- Bluesky Thread Viewer with hierarchical display and export options.
- Markdown to HTML converter using GitHub's API.
- RTF to HTML converter preserving color formatting.
- Mask Visualizer for JSON data containing image masks.
- Gemini API image segmentation mask visualizer.
- Base64 encoded gzip data decoder.
- Hacker News thread formatter with hierarchical comment numbering.
- Interactive footnote system with ARIA accessibility features.
- Rich text to clean HTML converter with live preview.
- Census data explorer with ACS survey visualization.
- Passkeys demo environment with credential management.
- Lightning Timer for presentations with visual time warnings.
- Incomplete JSON Pretty Printer for developer debugging.
- Clipboard Format Viewer showing raw paste data.
- Avatar Web Component for profile image cropping/resizing.
- Hugging Face model size checker.
- Filter Badge Component for interactive data filtering.
- U.S. presidential term tracker with progress visualization.
- Product catalog with HTML dialog side panels.
- Species observation map using iNaturalist data.
- Swagger API documentation subset creator.
- Token Usage Calculator for LLM API calls.
- CSS text wrapping properties guide with visual examples.
- Daylight Saving Time clock change information for California.
- HTML code extractor from formatted web content.
- Secure message encryption with passphrase using Web Crypto API.
- JSON Schema Builder with visual interface.
- Compact DSL to JSON Schema converter.
- Pipfile.lock dependency formatter.
- Multi-section text editor with auto-save.
- Jina Reader API interface for content processing.
- SQLite query analyzer using APSW library.
- SQL Pretty Printer with customizable formatting.
- GitHub issue to markdown converter.
- Image quality/filesize comparison tool.
- Image to JPEG converter with quality slider.
- Claude API citation renderer with sandboxed iframe.
- PHP serialized data to JSON converter.
- ARIA live regions screen reader demo.
- Bluesky handle to DID resolver.
- Bluesky WebSocket Feed Monitor for real-time data.
- YAML Explorer with interactive tree view.
- OpenAI audio API interface with WebRTC.
- GitHub Gist audio player for GPT-4o responses.
- GPT-4o text-to-speech generator with sharing options.
- JSON to YAML converter in multiple formats.
- Writing Style Analyzer detecting weak prose.
- Gemini AI chat interface with model selection.
- Timezone Meeting Planner for global scheduling.
- Prompts.js library demo for modern browser dialogs.
- Unix timestamp converter to human-readable dates.
- Bluesky timeline viewer with auto-refresh.
- Package file explorer for zip/tar.gz/wheel formats.
- API Explorer sandbox with secure iframe.
- Image bounding box coordinate tool.
- Web API browser support timeline viewer.
- HTML/JavaScript sandbox with security controls.
- Rainbow Border animation demo with toggle.
- Claude Token Counter for message analysis.
- Gemini model class implementation for LLM library.
- Base64 SVG embedding demo with security notes.
- Progressive SVG rendering visualizer.
- GitHub issue to markdown fetcher.
- QR Code Decoder for image extraction.
- ARES Phonetic Alphabet converter.
- HTML Entity Escaper for web-safe text.
- OpenAI GPT-4o audio recording interface.
- URL extractor from web page content.
- SQLite pelican sightings database explorer.
- Interactive CSS grid layout with animation.
- Event Planner with Google Calendar integration.
- Image to SVG converter using imagetracerjs.
- MapLibre GL demo with OpenFreeMap integration.
- User Agent string display page.
- Markdown/LaTeX real-time renderer.
- GitHub file uploader using API.
- Image Token Calculator for AI processing.
- YouTube thumbnail viewer/downloader.
- Pomodoro Timer with session logging.
- Automatic redirect implementation example.
- JPEG TIFF orientation metadata analyzer.
- Audio Spectrum Visualizer using Web Audio API.
- Camera-based haiku generator using Claude.
- EXIF Data Viewer for photo metadata.
- CSS box shadow customization tool.
- Gemini Nano model playground for Chrome Canary.
- PDF comparison tool with visual diff.
- LLM Elo ratings evolution visualization.
- PDF/image OCR tool using Tesseract.js.
- Interactive map with CSV marker data.
- Social Media Card Cropper with platform presets.