Flutter string to base64

Base64Codec const base64. A base64 encoder and decoder . It encodes using the default base64 alphabet, decodes using both the base64 and base64url alphabets, does not allow invalid characters and requires padding. Examples: var encoded = base64.

Decode Base64 to Image To convert a Base64 String into Image, we need to do 2 steps: use base64Decode() function which is shorthand for base64. decode() to decode Base64 to bytes . Uint8List base64Decode(String source) => base64.16 Mar 2022

To decode a file with contents that are base64 encoded, you simply provide the path of the file with the –decode flag . As with encoding files, the output will be a very long string of the original file. You may want to output stdout directly to a file.