BCD decode

Client

Unpack nibbles—flags non-decimal BCD as invalid.

About BCD decode

Decode packed BCD hex bytes back to decimal digits. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

Invalid BCD nibble >9 in 5F

Nearby workflows on Toolcore

  • BCD encode — Encode decimal digits to packed binary-coded decimal nibbles. when the payload needs a different encoding or escape format.
  • Hex encode & decode — UTF-8 text to hex and hex to text—strip spaces, local only. when the payload needs a different encoding or escape format.
  • Text ↔ binary — Convert UTF-8 text to 0/1 bit strings and back—spaced bytes or continuous—in your browser. when the payload needs a different encoding or escape format.
  • Encoding tools — Hub index: Base64 & URL, Base64url, Base32, Crockford, LEB128, ASCII85, Z85, Base58, base-36, bencode, Morse, quoted-printable, URI, Puny… when the payload needs a different encoding or escape format.

Common use cases

  • BCD decode for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

More tools

Related utilities you can open in another tab—mostly client-side.