Developer Tools

Format, validate, and beautify JSON data effortlessly.

Encode and decode text or files to and from Base64 format.

Convert colors between HEX, RGB, HSL, and other formats.

Encode or decode URL strings and query parameters instantly in your browser.

Decode JWT header and payload to inspect claims — no server required.

Generate UUID v4 identifiers in bulk for APIs, databases, and testing.

Create SHA-256, SHA-1, and SHA-512 hashes from any text using Web Crypto.

Test regular expressions with live matches, flags, and replace preview.

Convert Unix timestamps to human-readable dates and back in one click.

Generate strong random passwords with length and character options.

Encode or decode HTML entities for safe markup and debugging.

Parse URL query strings into readable key-value pairs and rebuild them.

Convert numbers between binary, octal, decimal, and hexadecimal.