Tool

Base64 encode and decode

Encode text or a file to Base64, decode Base64 to text, or save the decoded bytes as a file. Everything runs in your browser; nothing you enter leaves this page.

Decode Encode

Base64

Standard and URL-safe alphabets, missing padding, whitespace and a data: prefix are all accepted.

Or pick a file

The file is read locally and its bytes encoded below.

Base64 encode and decode

Mode

Output