About Developer Toolkit
Developer Toolkit is a collection of 35+ professional, privacy-first online utilities designed specifically for web developers, software engineers, and tech professionals.
Our Mission
We believe that developer tools should respect your privacy above all else. Our mission is to provide fast, reliable, and privacy-focused utilities that process everything locally in your browser—no servers, no tracking, no data collection.
Why We Built This
As developers ourselves, we were frustrated with existing online tools that:
- Sent sensitive data to unknown servers
- Tracked and collected user behavior
- Stored your data without transparency
- Bombarded users with ads and analytics
We decided to build something better - a suite of tools that respects your privacy, works instantly in your browser, and never touches a server.
Our Principles
Privacy First
All tools run 100% in your browser. Your data never leaves your device, and we don't collect, store, or transmit any of your information. Zero servers, zero tracking.
Fast & Reliable
Built with modern web technologies for instant results. No server roundtrips, no loading delays, no downtime.
Open & Transparent
Clean, minimal design focused on functionality. No ads, no tracking, no unnecessary features. What you see is what you get.
What We Offer
Our toolkit includes 35+ carefully selected utilities covering the most common developer needs:
Data Conversion
JSON, YAML, CSV, XML formatters and converters
Encoding/Decoding
Base64, URL encoding, JWT debugging
Code Formatting
SQL, JavaScript, CSS formatters and minifiers
Utilities
Hash generators, UUID creation, regex testing
Technology
Built with Next.js, React, TypeScript, and Tailwind CSS. Designed for performance, accessibility, and a great user experience across all devices.