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Dev.to
Dev.to
7/4/2026
I built 84 free developer tools that run 100% in your browser — no signup, no server, no tracking

I built 84 free developer tools that run 100% in your browser — no signup, no server, no tracking

Short summary

Developer shared 84 free in-browser utility tools including JWT decoder, encryption, JSON formatter, and PDF manipulation, all running entirely client-side with Web Crypto APIs and vanilla JavaScript. No signup, server-side processing, or tracking—just privacy-focused tools designed for quick access. Feedback welcome at encoder.guru.

  • •84 in-browser tools for common developer tasks (JWT, encryption, JSON, PDF, image tools)
  • •100% client-side with native Web Crypto API, no signup or tracking
  • •Built with vanilla JS, no frameworks, designed for fast loading and easy maintenance

Generated with AI, which can make mistakes.

#product-launch
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