Developer Tools

Test and debug regular expressions in real-time with this interactive tool. Supports JavaScript regex syntax with highlighting of matches.

Get detailed information about your device, including screen size, pixel ratio, user agent, and more. Useful for developers and designers.

Convert text between different case formats like lowercase, uppercase, camel case, and more. Easily transform your text for programming or writing needs.

Generate customizable SVG placeholder images with specified dimensions and text. Perfect for web development and design mockups.

Calculate Linux/Unix file permissions easily with our chmod calculator. Generate the correct chmod command for any permission combination instantly.

Secure your sensitive information with AES, TripleDES, Rabbit or RC4 encryption algorithms. Encrypt and decrypt text easily with a secret key.

Generate secure random tokens for authentication, API keys, passwords and more. Customize character sets and length.

Pick colors by adjusting red, green, and blue sliders. Copy HEX or RGB in one click and explore random colors for quick inspiration.