Single-purpose extension that tracks duplicate jobs and safeguards against applying twice.
Users
9
+2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#204K
#171K among extensions
Version
1.2
updated 27 Mar 2026
Users
monthly, 7 months
Latest, 17 Oct 2026:9 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 17 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About DupCheck
With companies frequently reposting roles, it’s easy to accidentally apply to the same job twice. DupCheck is a simple, lightweight extension designed to help you avoid duplicate job applications by locally tracking the links you've already used.
If you attempt to apply to a role via a link you've already submitted, DupCheck will alert you before you proceed.
What to Expect When Downloading:
- Simple Functionality: Under the hood, this is a straightforward, manual duplicate link checker built for ease of use. All of your tracked links are saved locally on your own device.
- Active Tab Monitoring: Only when toggled "On," the extension monitors your active tabs to spot potential duplicate applications using heuristic URL checking.
- Manual Verification is Encouraged: Job application URLs often contain unique session IDs, referral tags, or formatting that changes depending on how you found the link. Because of this, DupCheck is designed to show you the closest matching URL from your history and asks you to double-check it. It assists your job search, but relies on you to make the final call.