Base64 encoder & decoder
Convert UTF-8 text to Base64 or decode Base64 back into readable text without sending the value to a service.
Local processing
Result
Your result will appear here
The input stays available if you need to adjust a setting.
How to use base64 encoder & decoder
- 1
Paste text or a Base64 value.
- 2
Choose encode or decode.
- 3
Convert and copy the result.
A realistic example
Encode a Unicode configuration value without corrupting accented or non-Latin characters.
Supported formats and limits
Input and output: UTF-8 text or Base64 text.
- Base64 is encoding, not encryption.
- The decoder expects valid Base64 text.
Questions people ask
Is Base64 secure?
No. Anyone can decode it; use proper encryption for secrets.
Does it support emoji and Unicode?
Yes. Text is converted through UTF-8 bytes before encoding.