Hex Encoding

Converting bytes to hexadecimal strings and back, for hashes, colours, IDs and debugging binary data.

Content tagged hex-encoding

• Snippet:Bytes to Hex and Back with Uint8Array.fromHex() and toHex()

  Convert bytes to hex and back without padStart loops.

  Encode bytes as hex with ES2026's Uint8Array toHex(), decode with fromHex() and setFromHex(), with SHA-256 digests, colours, error cases and a padStart fallback.