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Base64 Encoder

Encode text to Base64 online. Convert strings for data URLs, tokens and debugging. Private browser encoding.

  • Private when possible
  • No account required

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About this tool

Base64 Encoder converts plain text into Base64 for headers, data URIs and quick debugging when a binary-safe string representation is required.

How to use

  1. Paste or type the text to encode.
  2. Generate the Base64 output.
  3. Copy the encoded string.
  4. Use Base64 Decoder when you need the reverse.

Features

  • Text to Base64 encoding
  • Instant client-side conversion
  • Copy-friendly output

Common use cases

  • Build data URL payloads
  • Debug encoded headers
  • Prepare sample tokens for docs

Supported formats

Plain text → Base64

Privacy

This tool processes data in your browser. Your content is not uploaded to our servers.

Frequently asked questions

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