Developer Tools
Free online tools for developers. No signup required.
JSON Formatter
Format, validate, and minify JSON with customizable indentation.
UUID Generator
Generate UUID v4 (random) or v7 (time-based) identifiers in bulk.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.
Password Generator
Generate secure random passwords with customizable options.
Regex Tester
Test regular expressions with live matching and highlighting.
Color Converter
Convert colors between HEX, RGB, and HSL with visual picker.
URL Encoder
Encode and decode URL components with component and full URL modes.
Timestamp Converter
Convert Unix timestamps to dates and vice versa with live clock.
Base64
Encode and decode Base64 strings with URL-safe and no-padding options.
JWT
Decode, inspect, and encode JSON Web Tokens with color-coded visualization.
CORS Test
Test CORS (Cross-Origin Resource Sharing) configurations directly in your browser.
Cron Helper
Preview and understand crontab schedules with an easy-to-use interface.
Timer
Stopwatch and Pomodoro timer for productivity and time tracking.
Diff Checker
Compare two texts side by side and see the differences highlighted.
Text Case Converter
Convert text between camelCase, snake_case, PascalCase, and more.
Lorem Ipsum Generator
Generate placeholder text for designs and mockups.
QR Code Generator
Generate QR codes from text, URLs, or data. Download as PNG or SVG.