HN Showcase
Back to browse
Utils.live – 700 free developer tools that run in the browser

Utils.live – 700 free developer tools that run in the browser

by kranthie·Feb 17, 2026·2 points·4 comments
Visit ProjectView on HN

AI Analysis

●MidCrowd Pleaser

700 tools in a static site, but CyberChef and browser DevTools already do this.

Strengths
  • •Truly client-side with no server, no signup, and genuinely unlimited usage—privacy-first and instantly available.
  • •Comprehensive categorization across JSON, encoding, text, crypto, JWT, regex, color, date tools—one-stop reference.
Weaknesses
  • •CyberChef (open-source), browser DevTools, and dozens of existing utility aggregators already cover this space comprehensively.
  • •No chaining, scripting, or advanced workflows—each tool is isolated, limiting power-user scenarios.
Target Audience

Backend and frontend developers needing quick format conversions and utilities

Similar To

CyberChef · Cloudflare Workers Playground · Regex101

Post Description

I built a collection of 700+ developer utilities — JSON formatters, Base64 encoders, regex testers, hash generators, color converters, CSS tools, and more.

Everything runs client-side in your browser. No data ever leaves your machine. No accounts, no paywalls, no usage limits.

The stack: Next.js static site on Cloudflare Pages. Each tool is a pure function defined with a schema — input in, output out. The whole site is statically generated at build time (~700 pages). The entire project — every tool, every component, the build system — was built using Claude Code.

I'd love feedback on which tools are most useful and what's missing.

https://utils.live

Similar Projects