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DevToolBox – 88 client-side developer tools, no tracking, 9 languages

DevToolBox – 88 client-side developer tools, no tracking, 9 languages

by arenas2026·Apr 19, 2026·3 points·1 comment
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AI Analysis

○PassCozy

Another static collection of dev utilities when CyberChef and browser DevTools already exist.

Strengths
  • •All processing happens client-side, ensuring data privacy for sensitive inputs.
  • •No signup wall or rate limits blocking access to basic formatting tools.
  • •Supports nine languages, making it accessible to non-English speaking developers.
Weaknesses
  • •Zero differentiation from CyberChef, which offers chaining and advanced features.
  • •Modern browser DevTools already handle JSON, regex, and CSS natively.
Target Audience

Developers needing quick utilities without installing software

Similar To

CyberChef · Browser DevTools · JSONFormatter.org

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Developer Tools●Mid

Free, private developer tools in the browser

Everything important runs in the browser: JSON formatters, a JWT debugger explicitly marked 100% client-side, and a new Database Design Studio that turns SQL/Prisma schemas into draggable ER diagrams you can export as PNG. The product’s hook is convenience plus privacy — a single place to grab many small tools without sending snippets to a server. It’s useful and nicely designed, but the core idea is a well-curated bundle rather than a novel technical breakthrough.

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