Developer tool

Base64 Encoder

Encode or decode Unicode text as Base64 entirely in your browser.

Runs in your browser
Base64 Encoderworks locally
Result

How to use this base64 encoder

  1. Paste the source text or code, then choose the conversion or formatting mode.
  2. Review the result shown beside the controls. Check syntax, escaping, and edge cases against the source before using the result in a live project.
  3. Check the output against the source, then copy or download the finished result.

About this base64 encoder

Use the Base64 Encoder to encode or decode Unicode text as Base64 entirely in your browser. Change the inputs to compare another result.

You can also use it to compare the result with the original input.

Example

Encode a short Unicode string, copy the Base64 result, then decode it again to confirm that accented characters and emoji survive the round trip.

Common uses

  • encode or decode Unicode text as Base64 entirely in your browser
  • compare the result with the original input
  • copy or save the finished output for later use