Crot Plagiarism Checker

Plagiarism ::: plagiarism_crot
Maintained by Sergey Butakov
This FREE plugin is aimed at digital plagiarism detection: it uncovers assignments copied from peers at the same institution. The module is language independent. Maintainer: Sergey Butakov More information:
Latest release:
25 sites
13 fans
Current versions available: 2

Block is based on document fingerprinting technologies for pair-wise document comparison.

Please note that as of August 01, 2012 the block does not perform global / Internet search due to monetization of Bing search engine API.


A distinctive feature of this plug-in is that all local checkups are happening on your Moodle server without sending any documents outside. Thus, in contrast to other available solutions, the plug-in does not impose any issues related to student intellectual property protection. 


This module is the successor of  Crot for Moodle block: This version is tailored for the plagiarism API in Moodle 2.x.

This is standalone module that doesn't require a connection to the external plagiarism detection service. 

Maintainers: Sergey Butakov, Svetlana Kim

More information:


Screenshot #0


Sergey Butakov (Lead maintainer)
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  • Sat, Aug 10, 2019, 3:35 AM
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  • Sat, Dec 7, 2019, 3:47 PM
    grate plugin thansk so much.
  • Thu, Apr 9, 2020, 7:57 PM
    Will the plugin work with third versions?
  • Thu, Jan 7, 2021, 2:21 PM
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  • Wed, Dec 15, 2021, 2:27 PM
    Great tool. Thank you.
  • Wed, Mar 16, 2022, 6:18 PM
    Crot Plagiarism apparatus for Moodle was simply refreshed for Moodle 2.5 with assistance from local area funders and their coordinator, Daniel Lombardo. This was the second crowdfunded project deserving of's Project List.
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    Sat, Nov 5, 2022, 10:26 PM
    Timeless tool as the Internet continues to redefine publishing in major ways.
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