ToolBox

Base64 Encoder

Encode text into Base64 format.

Hello, ToolBox!
Your file never leaves this browser tab — everything runs locally on your device.

How to use base64 encoder

  1. Type or paste the text you want to encode.
  2. Click "Encode to Base64".
  3. Copy or download the encoded result.

Common use cases

  • Embedding small binary-safe strings inside JSON, URLs or config files.
  • Preparing a Basic Auth header value.
  • Encoding text for use in systems that require plain ASCII output.

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Frequently asked questions