Encoders & decoders

Move data between encodings — Base64, URL, percent — without leaving the browser.

2 tools

Encode text or bytes to Base64 and decode Base64 back to text. UTF-8 safe, runs locally.

Percent-encode and decode URLs and components. Handles UTF-8, query strings, full URLs.

Other categories

Format, encode, and inspect data the way developers actually do.

3 tools

Spin up passwords, UUIDs, and other identifiers with cryptographic randomness.

2 tools

Create and tweak images for web, print, and mobile.

3 tools

Manipulate text — case, count, placeholder, transform.

3 tools

Convert between units, formats, and markup — length, mass, temperature, Markdown, and more.

2 tools

Browse every free X114 tool, or wire the same logic into your code via the API.