Browser Tool
Browser OCR Workspace
Client-side OCR for PDFs and images using local PDF.js and Tesseract runtimes, with browser-cached language downloads, per-page output, and a combined full-document view.
Useful Things From the Workbench
Tools
Find a tool by what you want to do. Each entry explains its purpose, links to the application, and shows its development status.
No tools match those filters. Try another search or choose all statuses.
Everyday & Productivity
Small tools for everyday tasks, focus, and exploration.
Browser Tool
Focus Timer Studio
A client-side countdown timer and stopwatch with productivity presets, queue-based focus cycles, theme switching, and multiple number-display styles.
Browser ToolFeatured
Game Theory Playground
Twenty interactive experiments in cooperation, negotiation, information, voting, and incentives. Make a choice, inspect the results, and change the rules.
Browser Tool
IPFS in the Browser
Creates a temporary IPFS node in your browser and demos fetching a file via CID.
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Math Symbols, in Plain English
Read mathematical symbols with spoken translations, small number examples, and explanations that start with junior-high pre-algebra.
Browser Tool
Outage Map
Location-based outage status prototype with map + notifications.
Browser Tool
QR Builder
Client-side QR code generator. Paste text or a URL and get a clean, scannable QR code.
Browser ToolFeatured
The Password Challenge
Password entropy + time-to-crack estimator with common-password checks.
Writing, Text & Code
Shape a story, transform text, and work with code.
Browser Tool
Markdown Front Matter Workbench
Convert formatted clipboard or file content into safe Markdown, edit complete documents, validate YAML front matter, and preview or export the result locally.
Browser ToolFeatured
Morph — Text Transformer
A scriptable scratchpad for developers. 93 built-in text transformations — encoding, formatting, hashing, case conversion, and more — all in the browser.
Browser ToolFeatured
Plotto — Plot Generator
An active storytelling project based on William Wallace Cook’s Plotto. Follow its development and explore the current work.
Browser Tool
Procedural Text Generation
Generative text web app with 100+ random tables for brainstorming and storytelling.
Browser ToolFeatured
Source Lines of Code Count Web Analyzer
Browser-based source line analysis with language breakdown and rough Basic COCOMO effort/cost estimates.
Images & Design
Work with color, images, and visual experiments.
Browser ToolFeatured
Color Chart
Fullscreen palette workbench with pan/zoom, contrast matrix, token export, WebMCP tools, semantic roles, audits, previews, and source image extraction.
Browser ToolFeatured
Gradient Card Generator
Create blue-biased gradient image cards with layered patterns, blend modes, film grain, and vignette effects.
Browser ToolFeatured
Image Tools
Client-side image editor, JPEG optimization, and SVG utilities (crop/resize/export, SVG sandbox, and embed helpers).
Browser Tool
Mandelbrot Deep Zoom
Interactive Mandelbrot explorer with smooth pan and zoom, GPU rendering, and double-float emulation for deeper navigation than a typical WebGL fractal demo.
Maps & Generators
Create terrain, stars, and resources for imagined worlds.
Browser Tool
Direct Hex Test
Standalone test page for the multi-scale hex overlay canvas (pan/zoom + legend).
Browser Tool
Fractal World Generator
Seeded fractal world map generator with palettes, projections, and erosion.
Browser Tool
Gamma World Map (275 ft water level increase)
Printable/scrollable map that shows a 275 foot increase in sea level.
Browser Tool
Islands
Seeded island/terrain simulation with overlays and keyboard controls.
Browser Tool
Random Star Constellations
Procedurally generated star constellations (random-constellations.tedt.org).
Browser Tool
Tile Map Viewer
Browse a generated tile map with a mini-map + globe projection view.
Browser Tool
Traveller Character Sheet
Interactive character sheet for Mongoose Traveller 2E with dice, multi-character save/load, and export.
Browser Tool
Traveller Ship Sheet
Interactive ship sheet for Mongoose Traveller 2E with save/load and export/import.
AI Tools & Library
Reusable AI assets, interactive explanations, and practical assessments.
Browser ToolFeatured
AI Chat Window
Client-side AI prompt workbench with system-prompt history, streaming output, markdown rendering, and copy-ready responses.
EducationalApplicationFeatured
Inside AI
Follow a prompt through GPT-2. Inspect tokens, attention, and next-token probabilities, then try live inference in your browser.
Social Tools
Explore public activity and work with feeds, embeds, and bots.
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Mastodon Bot: Map Generator
A lightweight TTRPG wilderness map stream inspired by DMG Appendix B.
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Mastodon Bot: Random Board Game Night
Hourly board game night ideas generated from procedural tables.
Browser Tool
Mastodon Timeline Embed
Embeddable Mastodon timelines (profile/hashtag/local) using a client-side widget.
Browser Tool
Social Bot Check
Inspect public Bluesky and Mastodon accounts for reply timing, repeated text, posting volume, and other observable patterns, with visible thresholds and linked evidence.