Extension Tracker

GS1 Check Digit Calculator

No user count No ratings yet Last updated 6 Nov 2026

By GTIN14 Tools Live in the Chrome Web Store pdbakchhcpbfpnbadlmpgnpkmpjgjnkj Search Google ↗ Last checked 7 Nov 2026, 00:09 UTC

The listing

What the Chrome Web Store shows, as of the last check

Calculate or verify the GS1 check digit for EAN-13, EAN-8, UPC-A and ITF-14 / GTIN-14 codes. Runs entirely on your device.Summary from the listing
Developer
GTIN14 Tools
Enhanced Safe Browsing
Not trusted. What this means →
Category
Productivity › Developer Tools
First published
6 Nov 2026
Last updated
6 Nov 2026
Version
1.0.0
Size
21.59 KiB
Minimum Chrome
102
Languages
1 language

English

Website
gtin14.com
Support page
https://gtin14.com/check-digit-calculator/
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store

Tracking began on 7 Nov 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-11-07–––
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
–
by users, of 292,125 extensions
In its category
–
of 30,444 in Developer Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 7 Nov 2026.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 7 Nov 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

It asks for no permissions.

About this data

Collected from the extension's public Chrome Web Store listing. It's checked again 7 and 30 days after it was published, and again whenever a new version appears. Last checked 7 Nov 2026, 00:09 UTC; next check around 13 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “GS1 Check Digit Calculator” (pdbakchhcpbfpnbadlmpgnpkmpjgjnkj). Chrome Web Store data, last checked 2026-11-07. https://extensiontracker.com/extension/pdbakchhcpbfpnbadlmpgnpkmpjgjnkj. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_pdbakchhcpbfpnbadlmpgnpkmpjgjnkj,
  title   = {GS1 Check Digit Calculator (pdbakchhcpbfpnbadlmpgnpkmpjgjnkj)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-07},
  url     = {https://extensiontracker.com/extension/pdbakchhcpbfpnbadlmpgnpkmpjgjnkj},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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