How to Check for Plagiarism in Google Docs

Last Updated : 14 May, 2026

Google Docs does not have a built-in plagiarism checker. However, you can use indirect methods to check for plagiarism using external tools.

Steps to Check Plagiarism in Google Docs Using an Add-on

Follow the steps below to check plagiarism in Google Docs using an Add-on:

Step 1: Launch Google Docs

To begin with, install the Add-on in Google Docs. Launch Google Docs on your web browser to open a Google Doc.

How to Check for Plagiarism on Google Docs
Launching Google Docs

Step 2: Open the Document

Access the document in which we need to check for the originality of our content. Additionally, there's the option to generate a new document or open an already existing one.

How to Check for Plagiarism on Google Docs
Opening Document

Step 3: Click on Extensions

After opening the document, to install Add-Ons in our document, we need to click on the Extensions Tab which is placed on the top panel of the editing space.

How to Check for Plagiarism on Google Docs
Clicking on Extension Menu

Step 4: Select Get Add-ons Option

A list of sub-options will be displayed, From these sub-options we need to select the option of Get add-ons. In the below image, you can see the navigation for better understanding.

How to Check for Plagiarism on Google Docs
Selecting Get add-ons Option

Step 5: Search for Plagiarism Checker Add-on

In the search bar, you can enter the name of the Plagiarism Add-on or simply search for "plagiarism" in the search box.

How to Check for Plagiarism on Google Docs
Searching for Add-on

Step 6: Select and Install the Add-on

After the results are displayed, it's crucial to select the Add-on that suits your needs for installation and usage. Tailoring your choice to your specific requirements, you can opt for and install the Add-on of your preference. To kickstart the installation process, all you need to do is click the "Install" button for the chosen Add-on to integrate it into your document seamlessly.

Note: Here we have used Plagium - Plagiarism Add On

How to Check for Plagiarism on Google Docs
Installing Add-on

Step 7: Click on the Extensions Tab

Once the installation is complete, we can open the Add-on that is installed. We can see the name of the Add-on has appears under Extensions menu.

How to Check for Plagiarism on Google Docs
Clicking on the Extensions Tab

Step 8: Select the Text for Detection

Now highlight the text that you want to examine for potential plagiarism.

How to Check for Plagiarism on Google Docs
Selecting Text

Step 9: Go to Extensions and select the Installed Add-on

Next, navigate to the "Extensions" option in the menu bar and click on the "Plagiarism Add-on."

How to Check for Plagiarism on Google Docs
Checking for Plagiarism

Step 10: Check Results

Now towards the right side of the window, a comprehensive report or results will be presented. This report will provide detailed information about any potential plagiarism. It will include a similarity percentage, where a higher value indicates a greater amount of plagiarized content.

How to Check for Plagiarism on Google Docs
Results Displayed

Steps to Check Plagiarism in Google Docs Using Third-Party Services

Numerous Google Docs plagiarism checker add-ons are readily accessible on the Google Marketplace. However, it's worth noting that the accuracy of these add-ons may vary and might not always meet your specific requirements.

In such situations, you have the option to utilize various online plagiarism checkers to thoroughly assess your document for any instances of plagiarism. This ensures that your content remains original and in compliance with your standards of integrity.

Note: Below we are using the Grammarly Third-Party services for plagiarism checking. You’ll need to make sure you have a Grammarly Premium subscription downloaded in your computer.

Step 1: Open the Document

Access the document in which we need to check for the originality of our content. Additionally, there's the option to generate a new document or open an already existing one.

How to Check for Plagiarism on Google Docs
Opening Document

Step 2: Click on the File Tab

After opening the document with the content in it, we need to click on the File Tab which is on the Menu Bar at the top side of the editing space.

How to Check for Plagiarism on Google Docs
Clicking on the File Tab

Step 3: Click on Download and Select Microsoft Word (.docx)

Download the document version of the content from the Download option.

How to Check for Plagiarism on Google Docs
Downloading Docs File

Step 4: Open Grammarly in your web browser

Visit the official Grammarly website on which we can check for Plagiarism.

How to Check for Plagiarism on Google Docs
Visiting Grammarly's Official Website

Step 5: Upload the Files to Grammarly

After visiting the website, we need to upload the file that we downloaded from the Google Docs website.

How to Check for Plagiarism on Google Docs
Uploading File

Step 6: Click on the Check Plagiarism Option

Located on the bottom right-hand side, you'll find the "Check Plagiarism" option. To obtain the results, simply click on this option.

Note: It's important to note that the Plagiarism Checking feature is part of Grammarly's premium offerings, so you'll need a premium account to access and utilize this feature.

How to Check for Plagiarism on Google Docs
Clicking on Plagiarism Option

Steps to Check Plagiarism Online in Google Docs

To Check Plagiarism Online in Google Docs, you can use the online tools such as Grammarly, Scribbr, Small Seo Tools

Step 1: Select and Copy the Content

Copy the Content using Shortcut "Ctrl + C"

Check for Plagiarism in Google Docs
Select and Copy the Content

Step 2: Paste the content in any of the below mentioned tool

  • Grammarly
  • Scribbr
  • Small SEO Tools
Check for Plagiarism in Google Docs
Paste the content and click on Check Plagiarism

Step 3: These tools will analyze your text and highlight any parts that match existing content on the web.

Check for Plagiarism in Google Docs
Preview the Image

Best Plagiarism Checkers for Google Docs

Here are the Top Plagiarism Checker Add-on for Google Docs:

Plagiarism CheckerOverall Score100% Free?
Scribbr4.7No
PlagAware3.7No
Prepostseo3.3Yes
Grammarly3.0No
DupliChecker2.7Yes
Check-Plagiarism2.3Yes
Copyleaks2.0No
Small SEO Tools1.8Yes
Plagiarism Detector1.7Yes
Quetext1.7No
Smodin1.3Yes


Comment