base64 / base64url decoder

Decode base64 and base64url encoded text, as per RFC-4648. Input data is assumed to be a base64 or base64url encoded UTF-8 string.

See also

and also base16, base32 and base32hex encoding.

Calculation and conversion tools:

Text Conversions
Computation
Unit Conversions
international and imperial
Measurement
size, perimeter, area, volume...