Developer Tools

Handy free utilities for every developer — formatters, encoders and converters.

Strip tracking parameters and junk from URLs.

Append UTM campaign parameters to a URL for analytics.

Generate the MD5 hash of any text or file content.

Compute the SHA-1 hash of your input as a hex digest.

Compute the SHA-256 hash of your input securely in your browser.

Compute the SHA-512 hash of your input.

Encode text or files to base64, including UTF-8 content.

Decode base64 strings back to their original text.

Encode and decode URL components in one place.

Decode a JSON Web Token and inspect header and payload.

Create HS256 JWTs with custom claims and secret.

Generate random UUID v4 identifiers in any quantity.