@paulmillr/jsbt is a JavaScript library offering blazingly fast Base64 encoding and decoding. Optimized for speed and efficiency, it leverages SIMD instructions (where available) to deliver exceptional performance in browsers and Node.js. Ideal for applications demanding high-throughput Base64 operations, such as data serialization, URL encoding, or data transfer protocols. It provides a drop-in replacement for native Base64 functions with improved speed.