Encode and decode Base64 on your computer

Options you can set

• Action
• Alphabet
• Add “=” padding
• Wrap lines at 76 characters (MIME)

Good to know

• Text is encoded as UTF-8. Files are encoded byte-for-byte (up to 100 MB).
• Decoded data that isn't text is never displayed; save it as a file instead.
• Nothing is stored after you leave the tool.

Base64 Encoder / Decoder FAQ

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