BaseNEncodings.Net is a general base16, base32, base64 encodings library for .NET 2.0+, which is according to RFC 4648.
Full details can be found on the project page here: https://github.com/wallf/BaseNEncodings.Net
A binary-to-text encoder/decoder library for .NET and Fable. Provides base 16, base 32, base 46, base 64, and base 91 codecs. Supports custom character sets.
.NET Standard Types and Validators library for Base16-, Base32- and Base64-encoding and decoding in several variations (i. e., Base32Hex, Base64 Url safe, etc.)