Utilities

Small browser-based tools: encoding helpers, identifiers, and more.

• UUID generator

  Generate random version 4 UUIDs in the browser using the Web Crypto API.

• URL text encoder

  Encode or decode text with URL component encoding—useful for query strings, redirects, and debugging.

• Timestamp converter

  Convert between Unix time, ISO strings, local formatting, and relative phrases - all in your browser.

• Color converter

  Convert between hex, RGB, and HSL with a live preview. Use the native picker or sample from the screen where supported.

• QR code generator

  Create a QR code from any text in the browser. Choose error correction and copy or download a PNG.