Developer
Base64 encoder / decoder
Encode and decode Base64 text, including Unicode, in your browser.
Good for
- Decode a Base64 field from an API response.
- Encode small text snippets for config values.
- Check whether Base64 text is valid UTF-8.
Example
Encode Unicode text
Hello yueyekidl 你好
SGVsbG8geXVleWVraWRsIOS9oOWlvQ==
Privacy note
Your input is processed on your device whenever possible. Nothing is uploaded unless a feature needs it.
FAQ
Does it support Chinese text?
Yes. The tool encodes text as UTF-8 before converting it to Base64.
Is Base64 encryption?
No. Base64 is an encoding format, not a security layer. Do not treat encoded text as hidden.