Andre

World Data

Economic Data on Spherical Earth

Global datasets from the IMF, World Bank, WHO, and others — visualized and explorable on an interactive globe.

Natural Resources Data on Flat Earth

Choropleth flat map of global natural resource reserves — oil, gas, coal, uranium, metals, minerals, and renewables by country over time.

Global Sanctions Tracker

International sanctions; Monitor entities, ships, and individuals across UN, US (OFAC), EU, and UK watchlists.

AI / Machine Learning

AI / Machine Learning

Browser-Native LLM

A private, client-side chatbot running Transformers.js. No API, no server, 100% local inference via WASM.

AI / Machine Learning

Onyx Text-to-Speech

Fully local TTS using Kokoro ONNX and the am_onyx voice — no server, no API key, runs in-browser.

AI / Machine Learning

Audiobook Studio

Drop a PDF, OCR it locally, then stream Kokoro am_onyx audio in buffered chunks for smooth playback.

AI / Machine Learning

Image Classifier

Client-side image classification running entirely in the browser — drop an image and get instant predictions via a pre-trained neural net.

AI / Machine Learning

MNIST Digit Classifier

Draw a digit on the canvas and watch a browser-native neural network classify it in real time using a model trained on MNIST.

AI / Machine Learning

OCR — Browser Text Extraction

Upload or paste an image and extract text entirely client-side using Tesseract.js — no server, no uploads, fully private.

AI / Machine Learning

Sentiment Analyzer

Real-time positive/negative/neutral sentiment scoring on any text, running locally via a Transformers.js pipeline.

AI / Machine Learning

Browser-native speech recognition — record audio and transcribe it locally without any backend or API calls.

Dashboards

Ranked job titles, pay stats, and a full searchable jobs database. Sources: Craigslist, Canadian Job Bank, JobSpider, SaskJobs, WorkBC, Indeed, CharityVillage, GoodWork, Eluta.

ArXiv Zeitgeist

Explore what researchers are studying on arxiv.

Sacred Texts Analysis

Deep linguistic comparison of the Gospels, Quran & Tanakh — word frequency, sentiment, similarity, and more.

Reddit Financial Sentiment

Reddit sentiment analysis on a number of financial assets.

Parlay Arbitrage Lab

Interactive dashboard that teaches parlay arbitrage math, compounding ROI, and 2ⁿ outcome coverage.

Dashboards for network-school metrics and signal.

Bar Chart Races

Dynamic animated visualizations showing data trends and rankings evolving over time.

Graph Networks

Bitcoin 2009-2011 Network Timelapse

Animated timelapse of every transaction in the first years Bitcoin. (I have more data but it crashes the browser lol)

Social Graph Explorer

Interactive network graphs for exploring relationships and communities.

PageRank Simulator

10,000 synthetic interlinked pages across 8 topic clusters. Type a keyword, run PageRank-weighted search, and watch the network light up in vis.js. Run main.py to generate.

Network State School

Network School Test Part 2.

Graph HTML Scraper Visualizer

Visualizes how a graph-based scraper finds listing containers on any site — no XPath, no CSS selectors, just statistics on the DOM graph.

Mathematics

Path Integral Phase-Space

Sum-over-histories simulator showing interference, damping, and stationary phase in the Argand plane.

Collatz Conjecture Experiment Tool

Dynamic graph animation of Collatz trajectories cascading to 1, with overlay mode to compare how runs from different starting values diverge.

Collatz Cascade 2 — Generalized Dynamics

Extend Collatz to any modulus and any operation: linear maps, powers, roots, logs, exponentials, polynomial derivatives, integrals, rational functions. Arbitrary residue rules, full calculation overlay, and trajectory visualization.

Projective-Cartesian Mapper

Transform and visualize relationships between projective and Cartesian coordinates.

ODEs and Special Functions

Power Series ODE special function pattern generator.

Compile arithmetic down through successor functions to first-order logic. Watch 2 + 2 = 4 reduce to Peano axioms with ∀-elimination and substitution of equals.

Math Dependency Tree

Interactive atlas of mathematical structures with lineage tracing across foundations, algebra, topology, and geometry.

Prime Compositions

Every number written as what it actually is — sums of equal parts. A number is prime if and only if it can't be written this way.

Sorting Algorithms Lab

Multi-algorithm sorting visualizer with sound, side-by-side comparisons, and chaos modes.

Markets / Simulation

S&P 500 Market-Cap Rotation

25-year real-data backtest of holding the top market-cap stocks and watching your portfolio evolve as rankings change.

Comparing Calendars

Deep-time calendar synchronization matrix across Gregorian, Hijri, Enochic, Maya, Egyptian, Hebrew, Chinese, and more.

Space Orbits Explorer

Ephemeris-driven orbital visualization and exploration of trajectories.

Games

Often Solved Games

Game Theory Lab →

Browse all 11 games — Tic-Tac-Toe, Connect Four, Othello, Checkers, Mastermind, Lights Out, Minesweeper, Nim, 2048, Rummikub, and Blokus.

Path Connect Lab (2D + Cube)

Flow-style path puzzle on a square grid or rotatable cube surface, with bounded solver checks and live graph metadata.

Minimax + Alpha-Beta pruning. The AI plays perfectly — the best you can do is draw. Includes full decision tree analytics.

Strongly solved — first player wins with perfect play. Minimax + Alpha-Beta with window scoring and center-column preference.

Othello / Reversi

Minimax + Alpha-Beta with positional weights, mobility scoring, and corner-capture bonuses. Canvas rendered 8×8 board.

Alpha-Beta Minimax with mandatory captures, multi-jump chains, king promotion, and heuristic evaluation on an 8×8 canvas board.

Knuth's algorithm guarantees cracking any 4-peg 6-color code in ≤5 guesses using minimax over remaining possibilities.

Gaussian elimination over GF(2) finds the exact minimum presses to solve any board. Supports 3×3 through 6×6 grid sizes.

Constraint propagation + subset analysis solver deduces safe cells and mines logically, with probabilistic fallback when stuck.

Sprague-Grundy theorem in action — the AI computes Nim-sum (XOR) of heaps and always moves to a P-position.

Expectimax AI with Snake heuristic reliably reaches 2048+ by scoring tile arrangement, smoothness, monotonicity, and empty cells.

Tile-rummy simulation with an optimal greedy set-cover solver using dynamic programming. Supports 1–4 players.

4-player territory control with all 21 pieces and 8 transforms. AI uses greedy corner-expansion heuristics with lookahead and blocking.

Not Safe For Work

Reddit NSFW Analytics

Research dashboard for subreddit statistics, trends, and topic insights.

Bob's Tools

Bob's Landlord Optimization

Calculate costs, expenses, and projections for property management and real estate investments.

Bob's Lot Tracker

Video archive captured at the lot — documenting events and activity over time.

A way to protect against general crawlers and AI crawlers. DOM obfuscation, XPath poisoning, headless bot detection, clipboard fingerprinting.

Office

Drag in a stack of images, drag to reorder them, pick a page size, and export a single PDF — everything runs in-browser, nothing uploaded.

Combine multiple PDF files into one. Drag to reorder, see page counts, merge — fully client-side with pdf-lib.

Drop a PDF and extract specific pages visually. Click thumbnails to select, enter page ranges, download a new PDF with only what you need.

Image Compressor

Compress, resize, and convert images client-side. Adjust quality per image, change format (JPEG/PNG/WebP), download individually or as a ZIP.

Document Converter

Drop a DOCX, EPUB, Markdown, or plain-text file and get a clean preview. Export to PDF, HTML, or plain text — all client-side.

Markdown Editor

Split-screen live Markdown editor with syntax highlighting, toolbar shortcuts, and export to HTML, PDF, or .md file.

Invoice Generator

Fill in your business details, client info, and line items — get a professional invoice you can print or save as PDF. Auto-saved locally.

Drop a CSV or TSV and get a sortable, filterable, editable table. Export back as CSV, TSV, or JSON. Supports multiple delimiters.

Format, minify, validate, and sort keys in JSON. Syntax-highlighted output with path explorer, size stats, and CSV→JSON converter.

Paste two versions of a text and see exactly what changed — line-by-line and character-by-character, in unified or split view.

Paste any text and instantly get words, characters, sentences, paragraphs, reading time, Flesch readability scores, and top word frequency.

Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for any text or file — live as you type, with verification comparison.

Encode or decode text and files to/from Base64 and data URIs. Supports URL-safe encoding, auto-detection, and image preview.

Password Generator

Generate cryptographically random passwords with entropy analysis, bulk generation, passphrase mode, and a history of recent passwords.

QR Code Generator

Generate QR codes for URLs, WiFi credentials, vCards, and any text. Customize colors, size, and error correction — download as PNG or SVG.

Convert between 100+ units across length, mass, temperature, area, volume, speed, data, energy, pressure, angle, and time.

Pick and convert colors (HEX/RGB/HSL/CMYK), generate palettes (complementary, triadic, analogous), extract colors from images, and build gradients.

Time Zone Converter

See a time across 15+ world zones simultaneously, add any IANA timezone, get live ticking updates, and detect DST transitions.

Animated circular countdown with automatic Focus / Short Break / Long Break cycling, session tracking, task logging, and desktop notifications.

Create ZIP archives by dragging files in, or drop an existing ZIP to browse and extract its contents — fully in-browser with JSZip.

Lorem Ipsum Generator

Generate placeholder text by words, sentences, or paragraphs. Classical Lorem Ipsum, random Latin variants, or plain English filler text.

Screen Recorder

Record your screen (and optionally microphone) directly in the browser using the MediaRecorder API — no extensions, no installs, download as WebM.

Stamp a text watermark across every page of a PDF.

Email Signature Builder

Generate a clean HTML signature and copy it into Gmail or Outlook.

Normalize spacing, remove junk lines, and clean pasted text.

Meeting Agenda Timer

Run timed agendas with notes and export meeting summaries.

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