Base64 Decoder

Decode Base64 strings back to text

Source Input
Processed Output

What is the Base64 Decoder?

Base64 decoding reverses the Base64 encoding process, compiling the 6-bit index characters back into standard 8-bit text bytes.

Frequently Asked Questions (FAQ)

Q: What happens if the input is not valid Base64?

The decoder will fail to parse and output a validation warning indicating illegal characters or padding.