Utilso is an all-in-one tools for developers. Regex Tester, JWT Verify, Format JSON, Decode base64, Code Beautify and more Work completely offline. Stop pasting sensitive data to random websites online. Everything you paste into the app never leaves your machine. Smart Detection Automagically detects the right tool based on your clipboard content.

21 developer tools and counting:

• JWT Debugger
• YAML to JSON
• JSON to YAML
• Unix Time Converter JSON Format/Validate
• Base64 Encode/Decode
• RegExp Tester
• URL Encode/Decode
• Query String to JSON
• HTML Entity Encode/Decode
• Backslash Escape/Unescape
• UUID/ULID Generate/Decode
• HTML Preview
• Text Diff Checker
• Number Base Converter
• HTML Beautify/Minify
• CSS Beautify/Minify
• JS Beautify/Minify
• XML Beautify/Minify