Free Online Developer Tools
13 toolsEssential tools for web developers and programmers. Format JSON, decode JWTs, test regex, generate UUIDs, convert colors, minify CSS and JS — all in your browser, instantly.
Showing all 13 Developer tools
← All toolsIP Address Checker
Check your public IP address, location and device details.
JSON Formatter
Beautify, minify and validate JSON in one click.
UUID Generator
Generate unique UUIDs / GUIDs instantly for your projects.
Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes instantly.
JWT Decoder
Decode and inspect JSON Web Tokens — header, payload and signature.
Regex Tester
Write and test regular expressions live with instant match highlighting.
Color Code Converter
Convert between HEX, RGB, and HSL color formats instantly.
CSS Minifier
Minify and beautify CSS code to reduce file size instantly.
JS Minifier
Minify JavaScript code to reduce file size and improve load times.
HTML Formatter
Beautify or minify HTML code with proper indentation instantly.
XML Formatter
Beautify or minify XML code with proper indentation instantly.
Cron Expression Generator
Build and understand cron expressions with a visual editor.
Color Palette Generator
Generate tints, shades, complementary and analogous color palettes.
About our Developer Tools
Essential tools for web developers and programmers. Format JSON, decode JWTs, test regex, generate UUIDs, convert colors, minify CSS and JS — all in your browser, instantly.
All TrendPro tools are completely free to use with no account or sign-up required. Your data is processed directly in your browser wherever possible — we don't store or share anything you input. New tools are added regularly, so bookmark this page and check back often.