
Chess Puzzle Sidebar
Solve unlimited chess puzzles in a sidebar. Train tactics between meetings, between tabs, between thoughts — without ever leaving the page you're on.
No category, no roadmap — just a steady drip of experiments.
FD Labs is a quiet workshop for small software. The brief is open on purpose: a game, a productivity tool, a tiny SaaS, a weekend extension — anything that works.
Things get released when they're ready. If an idea finds an audience, it grows up. If it doesn't, it goes back on the shelf with the rest of the prototypes and we try again. No grand thesis, no manifesto — just the discipline of finishing things.
How it worksEach project starts as a sketch, gets a working build inside a week, and either ships within a month or gets a polite goodbye. Everything you see below has survived that filter.

Solve unlimited chess puzzles in a sidebar. Train tactics between meetings, between tabs, between thoughts — without ever leaving the page you're on.

Universal Currency Converter instantly converts currency values on any website to your preferred currency — right in the page, no copy-pasting or switching tabs.
Got a problem you'd pay a small monthly fee to make go away? That's the kind of thing this lab eats for breakfast — say hello below.
The fastest way in is email. Pitches, bug reports, polite hellos, requests for extensions of extensions — all welcome. I read everything; I reply to most things; I'm honest about the ones I can't get to.