DevToolKit – Browser-based collection of 19 free developer tools with no signup or tracking

Summary: DevToolKit offers 19 developer tools that run entirely in the browser without backend services, signups, or data transmission. It includes utilities like JSON formatter, JWT decoder, regex tester, and PostgreSQL config generator, all operating client-side to keep data local.

What it does

DevToolKit provides standalone web pages for each tool, enabling tasks such as JSON formatting, encoding, security functions, DevOps parsing, and code generation. It uses Web Crypto API for hashing and password generation and is built with Next.js 14 and Tailwind CSS.

Who it's for

It targets developers needing quick access to multiple essential tools without account creation or data exposure.

Why it matters

It eliminates the need to visit multiple sites with ads and signups by consolidating tools that run fully client-side, ensuring privacy and convenience.