Base64 Decoder

Decode Base64 strings back into readable UTF-8 text.

Client-side

UTF-8 Supported

No Upload

Base64 Input

Enter the Base64 string you want to decode.

0 characters

0 bytes

Decoded Text

The original UTF-8 text appears here.

What is Base64 Decoding?

Base64 decoding converts a Base64-encoded representation back into its original byte data. When that data represents UTF-8 text, it can be converted back into readable text.

This decoder runs entirely in your browser. Your Base64 data is not uploaded to a server.