Privacy

Your input stays local

The tools run as JavaScript in your browser. Text you paste, such as a CLAUDE.md or settings.json, is processed on your device and is never sent to a server by this site.

What is stored

The best practices checklist saves which items you ticked in your browser's localStorage under the key cck_practices_v1. Clear site data or press Reset to remove it. Nothing else is stored.

What is not used

No accounts, no cookies set by this site, no analytics scripts, no ad networks.

Hosting

The site is static files served by Cloudflare Pages. Cloudflare may keep standard request logs (IP address, URL, time) as any host does.

Still be careful

Do not paste real secrets into any web page, including this one. The checker warns when it sees something that looks like a key.