@thi.ng/base-n/chars/64.js

Arbitrary base-n conversions w/ presets for base8/16/32/36/58/62/64/83/85, support for bigints and encoding/decoding of byte arrays

import { B62_CHARS } from "./62.js";
const B64_CHARS = B62_CHARS + "+/";
export {
  B64_CHARS
};