base62-util
Instead of base64, base62 encode for string consists of only alphanumeric:
0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
how to install
npm install @samwen/base62-util --save
how to use
const { base62_encode, base62_decode } = require('@samwen/base62-util');
const str = 'Hello base62 encode/decode';
const encoded = base62_encode(str);
const decoded = base_decode(encoded);