Base64Lab - Base64, URL & Hex Encoder

Encode & decode Base64, URL-encoding and Hex. Handles text and binary. Everything runs locally in your browser.

Encode and decode Base64, URL and Hex - all local, no servers. Base64Lab is a compact three-in-one encoder/decoder for developers. Switch between Base64 (standard or URL-safe), URL encoding, and Hex output, and swap between encode and decode directions with a single click. FEATURES: - Standard Base64 and URL-safe Base64 (for JWT) - URL encoding (encodeURI and encodeURIComponent) - Hex encoding with three output formats (spaced / plain / 0x) - Automatic UTF-8 handling for non-ASCII characters - Byte-length stats for each conversion - One-click copy for input and output - Runs completely offline, no servers involved HOW TO USE: 1. Click Base64Lab 2. Pick a tab: Base64, URL, or Hex 3. Paste your text into Input 4. Click Encode or Decode 5. Copy the result A project by lern-digital.de