Top 10 Best free plagiarism checker Online Tools For 2023

Top 10 Best free plagiarism checker Online Tools For 2023

Top 10 Best free plagiarism checker Online Tools For 2023

Plagiarism checker tools are software applications or online services that help identify instances of plagiarism in written content. These tools compare the submitted text against a vast database of existing sources, such as websites, academic journals, books, and other published works, to determine if there are any similarities or matches.

Plagiarism is the act of using someone else's words, ideas, or work without giving proper credit or attribution. It is considered an ethical and academic offence in most contexts. Plagiarism checker tools aim to detect instances where content has been copied or closely paraphrased without proper acknowledgement.

When a user submits a document or text to a plagiarism checker tool, the tool scans the content and generates a report highlighting any potential matches or similarities found in the database. The report typically includes a percentage of similarity, indicating how much of the content matches other sources, as well as links or references to the identified sources.

Plagiarism checker tools are commonly used by students, teachers, researchers, journalists, and content creators to ensure the originality and integrity of their work. By utilizing these tools, individuals can identify and rectify instances of unintentional plagiarism, avoid academic penalties, maintain professional ethics, and uphold copyright laws.

Which paraphrasing tool is better than QuillBot?

Are there any free plagiarism checker tools available online?

Yes, there are several free plagiarism checker tools available online. These tools allow users to check their content for plagiarism without having to pay for a subscription or service. Here are a few popular free plagiarism checker tools:

  • Grammarly: Grammarly offers a free version that includes a plagiarism checker. It scans your text for similarities and provides a percentage of originality.

  • DupliChecker: DupliChecker is a free online plagiarism checker that allows you to check your content against billions of web pages and documents. It provides a detailed report highlighting any potential matches.

  • SmallSEOTools: SmallSEOTools offers a free plagiarism checker that compares your text against multiple sources on the internet. It provides a percentage of similarity and identifies the sources where similarities are found.

  • Quetext: Quetext offers a free version of its plagiarism checker tool. It scans your content for duplicate content and provides a colour-coded report to highlight matches.

  • Plagiarisma: Plagiarisma is a free plagiarism checker that supports multiple languages and checks your content against various sources, including online websites and academic databases.

These are just a few examples, and there are many other free plagiarism checker tools available online. It's worth noting that while free versions of these tools can provide essential plagiarism detection, they may have limitations compared to paid versions, such as limited search capabilities or fewer features.

free plagiarism checker Online Tools For 2023

Plagiarism checker

Overall score

100% free?


1. Scribbr


No full report in the free version

2. Quetext


Trial of 1 scan (500 words)

3. DupliChecker


1,000 words/check

4. Small SEO Tools


1,000 words/check

5. Pre Post SEO


Limits not clearly explained

6. Grammarly


The “Free” version gives no information

7. Plagiarism Detector



1,000 words/check



Limits not clearly explained

9. Search Engine Reports



1,000 words/check

10. Plagiarismchecker. co


5 free checks; 800 words/check

Can you provide more information about the features and limitations of Grammarly's plagiarism checker?

Grammarly's plagiarism checker is one of the notable features available in Grammarly's suite of writing tools. Here is some information about its features and limitations:


  • Extensive Database: Grammarly's plagiarism checker has access to a vast database that includes web pages, academic journals, books, and other published works. It compares your text against this database to identify any potential matches.

  • Real-Time Scanning: Grammarly's plagiarism checker scans your content in real-time, providing immediate feedback on potential instances of plagiarism.

  • Detailed Reports: It generates detailed reports that highlight the specific parts of your text that may have similarities with other sources. This helps you identify and revise potentially plagiarized content.

  • Similarity Score: Grammarly provides a similarity score, represented as a percentage, which indicates how much of your content matches other sources. This score gives you an idea of the originality of your work.

  • Citations and Source Suggestions: In addition to identifying potential plagiarism, Grammarly's plagiarism checker offers suggestions for proper citations and references to help you give credit where it is due.


  • Paid Feature: Grammarly's plagiarism checker is available as part of the premium subscription plan. The free version of Grammarly does not include this feature.

  • Limited Source Accessibility: Grammarly's plagiarism checker compares your content against its own database and may not have access to certain sources that other plagiarism checkers might have. It is primarily focused on web-based sources and may not cover specialized or restricted content.

  • Paraphrasing Detection: While Grammarly's plagiarism checker is effective at identifying direct matches, it may not be as robust in detecting paraphrasing or rewording of content. It relies on the database and algorithm to identify similarities, and some instances of rephrased content may not be flagged.

  • Contextual Understanding: Grammarly's plagiarism checker primarily looks for textual matches and may not have the ability to consider the context or intent behind the content. It is essential to review the flagged content manually to determine if it genuinely constitutes plagiarism.

It's worth noting that the features and limitations of Grammarly's plagiarism checker may evolve over time as the tool is updated and improved. For the most up-to-date information on the functionality and capabilities of the Plagiarism Checker it is recommended to visit Grammarly's official website or consult their documentation.

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