ITF-14 check digit

Client

Carton-level GTIN-14 beside SSCC tools.

About ITF-14 check digit

Validate Interleaved 2 of 5 ITF-14 carton code. Processing runs in your browser—Toolcore does not need your paste for the core operation on this page.

Validates barcode or favicon constraints locally—does not print labels or fetch remote icons.

How to use

Paste or type in the main field, then read the output below. Use Load example when available, or open the page with ?q= / ?qb= so tickets and agents share the same input.

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Nearby workflows on Toolcore

  • Linear code generator — Create EAN-13, EAN-8, Code 128, and UPC-A linear barcodes in your browser—PNG/SVG export, GS1 check digit auto-fill, no upload. Useful when print artwork or icon exports need a sibling check.
  • SSCC checksum — 18-digit Serial Shipping Container Code—GS1 modulus‑10 check digit; optional (00) prefix stripped; no registry lookup; browser-only. Useful when print artwork or icon exports need a sibling check.
  • GTIN checksum (EAN / UPC) — Paste GTIN‑8, UPC‑A (GTIN‑12), EAN‑13, or logistic GTIN‑14 digits—ISO GS1 modulus‑10 parity without GS1 lookup—browser-only. Useful when print artwork or icon exports need a sibling check.
  • EAN-13 barcode check — Validate 13-digit EAN/GTIN check digit for retail barcodes. Useful when print artwork or icon exports need a sibling check.

Common use cases

  • ITF-14 check digit 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.