Game Theory Playground
Twenty interactive experiments in cooperation, negotiation, information, voting, and incentives. Make a choice, inspect the results, and change the rules.
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A new home for the collection. Saved drafts, settings, and API keys from tedt.org do not transfer to this domain. Traveller and separately hosted tools open at their existing addresses.
Color Chart
Fullscreen palette workbench with pan/zoom, contrast matrix, token export, WebMCP tools, semantic roles, audits, previews, and source image extraction.
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AI Chat Window
Client-side AI prompt workbench with system-prompt history, streaming output, markdown rendering, and copy-ready responses.
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Morph — Text Transformer
A scriptable scratchpad for developers. 93 built-in text transformations — encoding, formatting, hashing, case conversion, and more — all in the browser.
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Gradient Card Generator
Create blue-biased gradient image cards with layered patterns, blend modes, film grain, and vignette effects.
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Source Lines of Code Count Web Analyzer
Browser-based source line analysis with language breakdown and rough Basic COCOMO effort/cost estimates.
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Image Tools
Client-side image editor, JPEG optimization, and SVG utilities (crop/resize/export, SVG sandbox, and embed helpers).
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The Password Challenge
Password entropy + time-to-crack estimator with common-password checks.
tedtschopp.github.io
Quick Study Painter
Paint a photo in oil, watercolor, pointillist, gouache, soft pastel, or palette knife style, then download a textured PNG. All image processing stays in your browser.
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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.
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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.
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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.
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Traveller Character Sheet
Interactive character sheet for Mongoose Traveller 2E with dice, multi-character save/load, and export.
tedt.org
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.
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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.
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Focus Timer Studio
A client-side countdown timer and stopwatch with productivity presets, queue-based focus cycles, theme switching, and multiple number-display styles.
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QR Builder
Client-side QR code generator. Paste text or a URL and get a clean, scannable QR code.
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Gamma World Map (275 ft water level increase)
Printable/scrollable map that shows a 275 foot increase in sea level.
tedtschopp.github.io
Mastodon Bot: Map Generator
A lightweight TTRPG wilderness map stream inspired by DMG Appendix B.
tschopp.net
Mastodon Bot: Random Board Game Night
Hourly board game night ideas generated from procedural tables.
tschopp.net
Procedural Text Generation
Generative text web app with 100+ random tables for brainstorming and storytelling.
randomtables.tedt.org
Random Star Constellations
Procedurally generated star constellations (random-constellations.tedt.org).
random-constellations.tedt.org
IPFS in the Browser
Creates a temporary IPFS node in your browser and demos fetching a file via CID.
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Mastodon Timeline Embed
Embeddable Mastodon timelines (profile/hashtag/local) using a client-side widget.
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Traveller Ship Sheet
Interactive ship sheet for Mongoose Traveller 2E with save/load and export/import.
tedt.org
Fractal World Generator
Seeded fractal world map generator with palettes, projections, and erosion.
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Direct Hex Test
Standalone test page for the multi-scale hex overlay canvas (pan/zoom + legend).
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Adventurers Guild (BD&D)
Generate classic BD&D-style adventurers for listings or character-sheet prep.
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Adventurers Guild (OSRIC)
Generate OSRIC-style adventurers with listing or sheet-style output.
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Area Builder
Generate a compact adventure area with encounters, traps, atmosphere, and loot controls for multiple game systems.
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Basic Adventurers Guild
Generate Labyrinth Lord adventurers with listing or sheet-style output.
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Basic Spell Books
Build custom Labyrinth Lord spell listings with flexible sorting, filtering, and optional spell-reference details.
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Combat Dice Sheets
Pre-roll Tunnels Trolls combat dice sets across a configurable range for faster play at the table.
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Dungeon Builder
Build a dungeon or cavern layout with source-tile mix, room indexing, and adventure content generation controls.
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Dungeon Delve
Create a configurable dungeon delve with room-by-room encounters, traps, loot, and atmosphere hints.
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Dungeon Maps
Generate random cavernous, dungeon, or side-view maps from curated geomorph tile sources.
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Encounter Creation
Create encounter sets based on game system, party strength, selected enemy, and optional treasure.
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Fantasy Names
Select one or more categories and generate a batch of names for each category.
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Fantasy Settlements
Generate a random Tunnels Trolls settlement with configurable map size, institutions, stock levels, and resident kindred.
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Fantasy Settlements
Generate fantasy settlements with citizens, institutions, and power structure.
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Fantasy Settlements
Generate fantasy settlements with race-aware population and civic institutions.
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Futuristic Maze
Generate exodus or crashed spaceships for fantasy parties with configurable encounter and loot behavior.
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Kintsugi Currents — Generative Art Viewer
Kintsugi Currents — Generative Art Viewer. A browser-based experiment from the tools collection.
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Monster Listing
Generate sorted monster listings by name/level, list/terrain grouping, and table/stat-block appearance.
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Mutant Adventure
Generate post-apocalyptic buildings, ruined cities, and derelict ships with configurable encounters, traps, contents, and loot.
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Party Onboarding
A themed onboarding screen for a social network built for Dungeons and Dragons players.
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Piles of Coins
Generate random fantasy coin piles by game system and target gold value range.
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Random Listings
Generate list-oriented data snippets for containers, decorations, traps, and treasure sets across fantasy, post-apocalyptic, sci-fi, and T T variants.
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Random Treasure
Create batches of treasure sets with valuables/relic weighting, list mode, and system-specific options.
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Ruined City Maps
Generate random abandoned city maps from ruined-city geomorph tiles with optional keyed numbering.
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Scavenging Lists
Create building and corpse scavenging item lists for post-apocalyptic and horror play.
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Sci-Fi Enemies
Generate random robots and mutants/aliens for sci-fi and post-apocalyptic campaigns.
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Sci-Fi Maps
Generate random building, spaceship, or exodus-ship maps with optional area numbering and color mode.
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Settlement Maps
Generate random city, keep, or village layouts with optional keyed building numbering.
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Sewer Maps
Generate random sewer networks with configurable room density and optional keyed area numbering.
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Simple Toot Embed
Simple Toot Embed. A browser-based experiment from the tools collection.
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Spell Books
Build custom OSRIC / Advanced Edition fantasy spell listings with sorting, filters, and detailed spell cards.
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Suburb Maps
Generate random suburb map layouts from geomorph tiles at your chosen dimensions.
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The Dungeon Door
Generate reference tables for encounters, traps, treasure, and dungeon-support tools for fast play.
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Toot Account Embed
','').replace(' ','').indexOf('@') == 0) { // don't show posts that look like replies either continue; } else { // no special code needed } var instanceName = arr.url.replaceAll('http://','').replaceAll('https://','').split('/')[0]; // var displayToot; // if (
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Toot Account Embed
','').replace(' ','').indexOf('@') == 0) { // don't show posts that look like replies either continue; } else { // no special code needed } var instanceName = arr.url.replaceAll('http://','').replaceAll('https://','').split('/')[0]; // var displayToot; // if (
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Toot Thread Embed
Toot Thread Embed. A browser-based experiment from the tools collection.
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Toot Thread Embed
Toot Thread Embed. A browser-based experiment from the tools collection.
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Wandering Enemies
Generate random encounter table entries by game, level, terrain, and source options.
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World Adventure
Generate one detailed world-hex adventure region with landmarks, exploration sites, hazards, and encounter-ready content.
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World Maps
Generate a randomized world or underworld hex map with configurable style, climate, borders, and map information.
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Zombie Hordes
Create random zombie groups for survival-horror play, including Necropalyx and generic modes.
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Name Generator Research
An unfinished name-generator project: a preserved reference list and extraction notes. The referenced generators remain on their original websites.
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