Free Online Developer Tools
A complete set of essential tools for programmers and web developers, featuring encoders, decoders, formatters, validators, and code beautifiers—all accessible online. These browser-based utilities deliver instant access to everything from HTML and XML formatting to encoding, decoding, and code generation, helping streamline workflows and maximize productivity.
Decoder / Encoder
Online free Base64 Decoder and Encoder, a simple online free tool that decodes from Base64 encoding as well as encodes into it quickly and easily
Code Formatter
A simple online free tool that formats
- JSON
- HTML
- CSS
- JAVASCRIPT
Code Generators
A simple online free tool that generates CSS.
- Transform
- Box Shadow
- Color
- Margin & Padding
Color
A simple online free tool which allows to choose a variety of CSS colors .
- RGB
- HEX
- HSL
- HSV
Px to Rem
A simple online free tool that converts
- Px to REM
- Px to EM
- EM to Px
- REM to Px