Tools

Leaveify

Move Spotify playlists and Liked Songs to TIDAL with OAuth login and track matching.

Authenticate with Readwise, fetch documents, and curate tags from one dashboard.

A tool to visualize your WhatsApp chat habits

A tool to visualize your Spotify listening habits

Train your eye to spot subtle opacity differences. Each streak tightens the alpha contrast or expands the grid.

A guided stretching routine with timer and auto-advance

Decide where AI is acceptable, then see whether your answers form a spectrum or a two-axis stance.

A small city economy toy where AI adoption starts in white-collar work and ripples through jobs, demand, taxes, and stability.

Check microphone levels, peaks, clipping, waveform, and frequency locally in your browser, with a stereo tone generator included.

Convert between kilometres and miles per hour, calculate splits, and estimate race finish times instantly.