Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 strings back to plain text. Upload files to get Base64 data URIs. Everything runs locally in your browser.

Enter text to encode:

Base64 encoded result:

Paste Base64 string to decode:

Decoded result:

Click to browse or drag & drop a file here

Any file type supported. Max 10MB.

Base64 Data URI: