What's inside
💡
Tips
Short, opinionated posts on building, learning, and shipping — published on Substack.
🛠️
Tools
Tiny single-file web apps you can open in a browser. No install, no signup, no server.
🔍
Guts
The source is the spec. Every tool is one HTML file you can read top-to-bottom.
Projects
Featured project
Single Page Sandbox
A growing collection of self-contained browser utilities — each one ships as a single HTML file you can open offline. Get them completely free by becoming a free newsletter subscriber.
Open Sandbox →