Stuff We Made

A bunch of free tools and games we've built. No signup, no tracking, no nonsense. Just useful things that work.

Tools

Format, validate, and visualize JSON

Black-Scholes pricing with Greeks

Compare text side by side

Financial & technical indicators

Render markdown documents

Epic space shooter with power-ups

Classic snake. Go through walls.

Card matching game

🚫

Just open and use. No account needed.

🔒

We don't track you. Period.

💸

No hidden costs. Just use them.