Utilities
A collection of small, self-contained tools. Pick one below to get started.
Alphanumeric Cypher
A simple text cypher that encodes or decodes a message using a keyword, shifting each letter by its position in a repeating key, similar to a classic Vigenère cipher restricted to the letters A through Z.
Screen Share with Audio
An experimental peer-to-peer screen and audio sharing demo built on WebRTC. One tab acts as host and shares its screen, a second connects as viewer. Signalling currently relies on browser storage, so both tabs need the same device.
Power Workbench Sandbox
An interactive simulator for a small hobby-electronics power workbench. Choose a power source, adjust a potentiometer and a voltmeter switch, and watch simulated voltage rails, a live LED readout, and safety status update in real time.
GoPro Stream Viewer
A live-stream viewer for a GoPro or other HLS-compatible camera feed. Enter a stream URL to watch it in the browser, with playback controls, connection status, and basic statistics like resolution and buffer health.
Browser Metadata Viewer
Shows what a website can see about your browser and device: user agent, screen and window size, language, timezone, hardware details, and graphics info — a quick, hands-on look at your own browser fingerprint.
Enhanced Metadata Viewer
An expanded browser-fingerprinting demo that adds live mouse and touch tracking, a movement heatmap, performance and battery monitoring, device orientation, audio analysis, font detection, and permission status, all captured in real time.
Mini Golf Tracker
A scorekeeping app for mini golf. Set up courses with per-hole par and photos, track live scores for multiple players, browse past rounds, and see stats, trends, and head-to-head results on a built-in dashboard.
QR Code Generator
Turns any text, URL, or short message into a downloadable QR code, generated entirely in your browser. Type your content, generate the code, and save it as a PNG — nothing is sent to a server.
Audio Frequency Visualizer
A microphone-driven visualizer that splits incoming audio into eight frequency bands, from sub-bass to air, and renders them as animated rings, radial bars, and particles, with adjustable sensitivity per band and four visual themes.
Web Synthesizer Pro
A browser-based synthesizer with two oscillators, an envelope, filter, distortion, delay, chorus, flanger, and reverb. Play notes from an on-screen keyboard or a MIDI device, sequence patterns, and record what you play.