base64, base32 encoders and decoders

Lightning-fast singe-header base64 encoder/decoder written in C

base64 encoder in excessively commented ANSI C dedicated to the public domain

base64 encrypt / decrypt binary data and string

Encode to and from Base64

Library for encoding and decoding base64 strings

Header-only Base64 library written in portable ANSI C

When you want to just put some encryption in without taking a one month detour.

Base 64 encoding and decoding

Base64 encoding and decoding library. This is one of the fastest Base64 libraries out there. Written in pure C.

A fork of http://libb64.sourceforge.net/

Base64 (RFC 4648) encoder written in C

Base64 encode/decode implementation in C.

The Cryptopals Crypto Challenges

Base64 transcoder with streams

Base64 encode and decode

base64 encode and decode tools

Base64 encoder/decoder written in C.

Small System Framework - JSON parser/generator, Reed-Solomon, finite state machine framework, and other high quality interfaces for embedded systems.

Base64 is a C library to convert from plain to base64 and vice versa suitable for embedded systems.