UniversalCodeStudio — Free Online Developer Tools

64 free online developer tools: JSON formatter, URL encoder, Base64 encoder, CSS minifier, HTML beautifier and more. Input is processed over HTTPS and never stored. No sign-up required.

Popular Developer Tools

JSON Beautifier & Formatter JSON Minifier JSON Validator HTML Formatter HTML Minifier CSS Minifier JavaScript Beautifier JavaScript Minifier SQL Formatter Base64 Encoder Base64 Decoder URL Encoder URL Decoder QR Code Generator UUID Generator Word Counter Markdown to HTML YAML to JSON XML Formatter Lorem Ipsum Generator

All 64 tools are free and need no account. When you run a tool, your input is sent over HTTPS to our server, processed in memory, and never stored. Browse all tools.