This feature is experimental; information may be inaccurate or the feature may break. Help us improve it by reporting any issues you find. Join our Discord.
Dupe Finder
Enter a username or Roblox ID to check whether a Jailbreak item is duped.
Helpful tip: Press / to quickly focus the search.
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Frequently Asked Questions
The Dupe Finder is a tool that helps you identify potentially duplicated items in Jailbreak. It scans inventories to find items that may have been duplicated through exploits or glitches.
Enter a Roblox ID or username in the search box above. The system will search through our collected data to identify any items associated with that user that appear to be duplicated based on our detection methods.
Items marked as duped are flagged because our system detects multiple active copies of the same item across different owners. Other sites rely on manual reports, while our list is generated automatically by our bots hopping servers and comparing inventories. This means we often identify more dupes than other sources. An item may appear clean at first if only one copy is visible. Later, when another copy surfaces in trading, our system updates and marks it as duped. That's why some items can change status over time. If you believe your item has been falsely flagged as a dupe, compare its variants and choose "Report False Dupe" on the comparison page.
We've logged over 32 million items and counting! Our comprehensive database continues to grow daily as we scan inventories across the Jailbreak community, providing the most extensive dupe detection available.
The data should be highly accurate for the most part. While this is a beta feature, we're confident in the reliability of the information displayed.
Yes. While the detection is still fully automated based on our collected data, if you believe an item is incorrectly flagged, you should first use our Variant Comparison tool. This tool, accessible by clicking "Compare" on any item card, allows you to view the ownership history of your item side-by-side with its original variant to see exactly where they diverge. If you still believe it is a false dupe, choose "Report False Dupe" on the comparison page and explain why the detection is incorrect.
Items are constantly being added each day to grow our database bigger. Our system only tracks items that have been scanned by our bots, so if a user hasn't been scanned recently, their items won't appear in results.
The old deprecated dupe calculator will be kept for reference but is no longer maintained. This new dupe finder provides more accurate and comprehensive results.
