Developer Tools
72d ago
JSONLens
Inspect any JSON: live tree, search, one-click dot-paths.
Built with Claude Code
A
tuning the feed…
Back to feed
View all →
Live capture0:00 / 0:10
Umbra
Watch the demo before you click
Umbra
Move the light, and Umbra casts the CSS shadow.
Umbra is a photo-studio for CSS box-shadows: drag a studio light around an object and watch it cast a natural, three-layer shadow that updates in real time, then copy the exact CSS. Tune elevation, softness, opacity and color, switch between drop and inset, and start from curated presets like Floating, Long dusk or Sharp. Built end-to-end with AI, it runs entirely in your browser with no login, and the whole single-file source is downloadable to self-host or remix.
Built with Claude CodeNo login requiredFree to tryVerified workingOpen sourceDeveloper Tools
#css#box-shadow#design#frontend#ui#generator
Stats update live — the feed never sleeps
Generated launch trailer
Every build gets a 10-second trailer.
AIBuilt generated this launch kit automatically from /apps/umbra. No uploads, no editing — point us at the build and ship.
10-second trailer
ready
Thumbnail
ready
Launch copy
ready
Tags
6 generated
Get the code
Own it. Remix it. Ship it.
This launch ships its complete source as one self-contained HTML file. No build step, no backend, no strings attached.
Download
Single-file source — MIT licensed.
Download source (.html)Self-host
- 1. Download the file
- 2. Drop it on any static host (Vercel/Netlify/S3/your server)
- 3. Done — zero dependencies.
Remix with AI
Paste it into Claude, ChatGPT or Cursor together with the downloaded file.
Related launches
More like this
Watch the demo before you click.
