Advanced Similarity Checker Add-on for Google Docs by Unicheck

Disclosure: This is a sponsored blog post written by the staff of Unicheck.

Lately, the educational community has been buzzing with stunning news, reporting that Unicheck plagiarism checker created integration with Google Classroom, which still remains the only plagiarism detection solution for Google Classroom.

Keeping in mind such criteria as accuracy, convenience and productivity, Unicheck has prepared another release, this time providing a solution for students, teachers, and everyone interested in quality plagiarism checks and more.

The new add-on from Unicheck is the fully integrated plagiarism checker that works smoothly and swiftly in Google docs, lets users view matched sources and similarities, review, exclude and include citations, all without leaving Google Docs.

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Unicheck Add-on in action

The process of Add-on workflow may be described in just 3 steps: install, sigh in, get check report. But modesty of actions is underpinned with serious background such as full featured functionality and comprehensive check results.

Unicheck add-on boasts high quality of search, which provides only the relevant links to the found matches, and uses live web index. Unicheck also supports almost all alphabet languages and automatically saves the reports of all checked Google Docs in the user’s personal library.

Unicheck add-on is easy to install and has a very simple and intuitive interface. To use it, though, the system will ask to sign in to the user’s Unicheck account. This, however, can be done within the Google doc, and takes just a few seconds. This step is very important, as Add-on is directly bound to user’s Unicheck account.

Installation of the add-on is free of charge, and all new users receive 5 free pages for their checks.

Clicking “Start check” lets the system count the amount of pages in a document, and it takes just few seconds to get a report. The report will display general similarity score in percents, list of similarity sources, citations, and references in the document. The full report uses color mask which is fully interactive.


Unicheck is a plagiarism detection system widely used in more than 600 educational institutions in more than 30 countries of the world. Unicheck integrates with the most popular LMSs, including Google Classroom, Canvas, Blackboard and Moodle, can be applied to most systems via API, or used for independent checks as a standalone tool. Unicheck is a highly secure system, providing users with 128 bit encryption and applying high safety standards in its work.


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