| Base64Encoder | Standard Base64 encoder implementation for Array |
| Base64UrlEncoder | URL-safe Base64 encoder implementation for Array |
| Base64FeltEncoder | Standard Base64 encoder implementation for felt252 |
| Base64UrlFeltEncoder | URL-safe Base64 encoder implementation for felt252 |
| Base64ByteArrayEncoder | Standard Base64 encoder implementation for ByteArray |
| Base64ByteArrayUrlEncoder | URL-safe Base64 encoder implementation for ByteArray |
| Base64Decoder | Standard Base64 decoder implementation for Array |
| Base64UrlDecoder | URL-safe Base64 decoder implementation for Array |
| Base64ByteArrayDecoder | Base64 decoder implementation for ByteArray |