Base64 Encoder and Decoder

Encode and decode Base64 text locally for API payloads, token debugging, config values and quick automation tasks.

Base64 output

        

How to use this tool

  1. Paste plain text to encode or Base64 text to decode.
  2. Choose Encode or Decode.
  3. Copy or download the generated output.

Common mistakes

  • Confusing Base64 encoding with encryption.
  • Forgetting that binary files may need file-safe tooling instead of a textarea.
  • Leaving whitespace or URL-safe variants unhandled in pasted strings.

FAQ

Is Base64 secure?

No. Base64 is encoding, not encryption. Anyone can decode it.

Does this support Unicode text?

Yes, it handles UTF-8 text in the browser.

Is my text uploaded?

No. Encoding and decoding run locally.

Related tools

Last updated: May 17, 2026