Top 20 NuGet utf8 Packages

Unicode to ASCII transliteration
Legacy implementation of UTF8 string encode/decode and windows-1252 codepage support for .Net Core 3.0+
A c# netstandard utility for simple crypt/decrypt text. The code is written in .NET C#.
A Unicode and emoji text-processing library for .NET, supporting UTF-8, UTF-16, and UTF-32 on .NET 2.0+ and .NET Standard (Core/UWP), with emoji support! ๐Ÿ”ฅ๐ŸŒถ๏ธ๐Ÿ˜๐ŸŽ‰
S22.Imap fork. Fixed national character encoding.
Utf8 binding library for Bridge.NET projects.
UTF8 Utility. Decode, encode, search, compare, and getting hashcode are directly on ArraySegment<byte>. There is no string allocation.
Easy coding of Xml. This NuGet package adds Xml features, such as Pretty, Linearize, serialize, deserialize, etc.
Provides efficient stream encoder/decoder functions.
EncodingConverter.Core is a C# wrapper for EncodingConverter C library. Text files can be easily converted between UTF-8, UTF-16, UTF-32, ISO8859-1, ISO8859-9.
Stack only json deserialization using generators and System.Text.Json library
Text files Unicode Charset Detector With and Without BOM.
Tool to strip rogue UTF8 BOM from text files.
Replace bytes in a UTF8 byte stream.
Decode a UTF8 base64 encoded string. Supports both base64 and base64url.
base64 encode/decode for URL applications. dotnet global tool of Base64UrlCore.
base64 encode/decode for URL applications.
A Unicode and emoji text-processing library for .NET, supporting UTF-8, UTF-16, and UTF-32 on .NET Standard