Encoding (@std/encoding)

@std/encoding converts between u8[] bytes and hex / base64 strings.

import { hexEncode, base64Encode, base64Decode } from "@std/encoding";

console.log(hexEncode("abc"));       // 616263  (a string coerces to u8[])
console.log(base64Encode("hello"));  // aGVsbG8=

let bytes: u8[] = base64Decode("YWJj");
let s: string = bytes;               // "abc"
console.log(s);

Reference

hexEncode(bytes: u8[]): string       // lowercase hex
hexDecode(s: string): u8[]           // throws on odd length / non-hex
base64Encode(bytes: u8[]): string    // standard, padded
base64Decode(s: string): u8[]        // throws on malformed input

A string coerces to u8[] (its UTF-8 bytes), so hexEncode("abc") works directly. Decoders return a u8[], which coerces back to a string when you need text.