Based on standard naming conventions in the modding community, this file is likely a mod. These mods are typically used for one of two purposes:
: Works seamlessly if the host computer has the mod file installed locally.
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The filename you provided contains several red flags that indicate it is almost certainly malicious software (malware), a virus, or a scam. file name dupetriggermodfabric1201jar free
This specific version requires Fabric Loader 0.14.6 or higher and the Fabric API to function correctly on Minecraft 1.20.1. Safe Installation Guide
If you see it posted anywhere, report it as malware.
Be highly skeptical if your search for this file led you to platforms that lack strict security moderation. Avoid downloading files if you encounter any of the following red flags: Based on standard naming conventions in the modding
files are executable code; they have full access to your computer once launched. If you’re looking for legitimate mods, stick to CurseForge
It scans popular web browsers (Chrome, Edge, Firefox, Brave) to steal saved passwords, cookies, and autofill data.
Yes — several Fabric mods include duplication features as part of larger utility mods (e.g., , Item Scroller ’s dupe glitch). Those are free, open-source, and safe when downloaded from official GitHub or Modrinth. However, a mod specifically named dupetriggermod... with no clear author or source is a red flag. This link or copies made by others cannot be deleted
Based on the file name structure [ModName]Fabric[Version].jar , this file is a designed for Minecraft version 1.20.1 .
The “free” appeal is obvious: players want to avoid paying for private mods or premium duping utilities.