100% private · no tracking · works offline100% client-side/no data leaves your browser/no accounts/works offline
Every tool runs 100% in your browser — zero servers, zero tracking. Plus practical articles & tutorials for modern developers.
Search 85+ tools · works offline after first load
§ 01 — Why developers trust it
Every tool executes locally. Nothing is uploaded — your code never leaves the tab.
No analytics on your inputs, no accounts, no cookies you didn’t ask for.
Load once and keep working on a plane. All 85+ tools, no paywall.
§ 02 — Toolchain index
A taste of the kit — all 85+ tools run in your browser.
§ 03 — Latest writing
developer tools
A practical guide to writing CLAUDE.md as a permission contract for AI coding agents, covering tool tiers, hard stops, failure behavior, and MCP server security.
AI Tools
Every major AI coding tool raised its price or restructured plans in April 2026. Here is what changed, why agentic workflows broke the old economics, and how to figure out what you should actually be paying.
AI agents
Set up production-ready AI code review using GitHub Agentic Workflows' safe-outputs security model, threat detection, and compile-time constraints.
§ 04 — Guided learning
Verify if images have proper alt text.
Open tool →developer tools
AI is generating more pull requests than humans can review. The fix isn't picking the best AI code review tool — it's combining the right ones.