Base64 Encode / Decode

Quickly convert text to and from Base64 in one screen.

Uses UTF-8 for encoding and decoding.

Copy uses the last converted result.

Text input / edit

안녕 OpenClaw

The source on the left stays unchanged, and the converted result appears on the right.ResultThe encoded or decoded result appears here.

Ready

Enter text and run Base64 encode or decode.

Key features

Edit directly in the textarea

Separate encode / decode / copy actions

Instant error feedback for invalid Base64

Does it support non-English text?

Yes. UTF-8 text is supported.

When does decode fail?

It fails when the string is not valid Base64.