Base64 Encode / Decode
Convert text to and from Base64 with full Unicode support.
Encode text to Base64 or decode Base64 back to readable text, with full Unicode (UTF-8) support. Conversion happens entirely in your browser.
Runs entirely in your browser — nothing is uploaded.
How to use the base64 encode / decode
- 1Choose Encode or Decode.
- 2Type or paste your input.
- 3Copy the converted output instantly.
Frequently asked questions
Does it support emoji and non-English text?
Yes — encoding uses UTF-8, so emoji and any Unicode characters convert correctly.
Is Base64 encryption?
No. Base64 is an encoding, not encryption — anyone can decode it, so never use it to protect secrets.