Base64 Decoder

Decode Base64 strings back into readable text instantly.

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How it works

The Base64 Decoder converts Base64-encoded strings back into their original text, correctly handling UTF-8 multi-byte characters.

What happens if the Base64 is invalid?

You'll see a clear error message instead of garbled output.

Base64 Encoder

Encode text or strings into Base64 format instantly.

URL Decoder

Decode percent-encoded URLs and query strings back to plain text.