Developer Tools
35+ free online tools for developers. Encoding, formatting, generation, and testing tools available directly in your browser.
Encoding / Decoding
Generators
UUID Generator
Generate unique UUIDs.
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes.
Lorem Ipsum Generator
Generate placeholder dummy text.
JWT Generator
Generate JWT tokens.
Password Generator
Generate secure random passwords.
Cron Expression Generator
Generate cron schedule expressions.
CSS Gradient Generator
Generate CSS gradients visually.
Meta Tag Generator
Generate meta tags for SEO optimization.
UTM Link Generator
Generate UTM links for campaign tracking.
Converters
JSON Formatter
Format and beautify JSON data.
Color Converter
Convert between HEX, RGB, HSL colors.
Color Palette Extractor
Extract colors from images.
Timestamp Converter
Convert Unix timestamps to dates.
YAML ↔ JSON Converter
Convert between YAML and JSON formats.
Markdown Preview
Preview markdown in real-time.
Case Converter
Convert between camelCase, snake_case, etc.
SQL Formatter
Format and beautify SQL queries.
CSS Minifier
Minify CSS code for production.
Line Ending Converter
Convert between CRLF and LF line endings.
XML ↔ JSON Converter
Convert between XML and JSON formats.
JSON CSV Converter
Convert between JSON and CSV formats.
JavaScript Minifier
Minify JavaScript code to reduce file size.
HTML Minifier
Minify HTML code to reduce file size.
Robots.txt Generator
Generate search engine crawler control files.
Open Graph Preview
Preview social media share appearance.
Box Shadow Generator
Create CSS box-shadow visually.
JSON Validator
Validate JSON syntax and show error location.