Base64 Encoder / Decoder

Encode and decode Base64 text with UTF-8 support.

Encode UTF-8 text into standard Base64 or decode Base64 back into readable text in one place. Base64 is commonly used to transmit or store binary data as ASCII text.

Mode

Input

Output

How to use

Choose Encode or Decode mode.
Enter text or a Base64 string in the input field.
Review the result and copy it when ready.

Frequently asked questions

Does encoding support non-ASCII text?

Yes, text is encoded as UTF-8 bytes before the Base64 conversion.

Is my data sent to a server?

No, all encoding and decoding happens in your browser.

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