Top 10 Free Plagiarism Checker Tools

Top 10 Free Plagiarism Checker Tools

Plagiarism can be defined as the act of copying content or viewpoints without authorization. Plagiarism is the act of presenting another’s work without crediting the original author. Plagiarism can have serious consequences in the academic as well as online worlds. Plagiarism checker tools can be used to find copied content in a document or website.

Plagiarism checker tools can be used by students, scholars, website owners, and teachers to verify that the content is original. It can detect passages that were copied from another source and will identify them.

We have reviewed 10 of the most cost-effective plagiarism checkers to help you save time. You will also find information about the features and functions of these apps.

Top 10 Free Plagiarism Checker Tools

1. ProWritingAid

Best for style editing, grammar checking, and plagiarism checks.

Price: The ProWritingAid cost starts at $20 per month. The plagiarism checker tools are available for Premium Plus plans, Monthly Subscription ($24/month), Yearly subscription ($89), and Lifetime ($499 One-time Payment).

ProWritingAid allows you to check grammar and style. The Premium Plus plan includes plagiarism checking capabilities. Your work will be checked against more than a billion academic papers and web pages.


  • ProWritingAid offers 60 plagiarism checks per annum.
  • Access to the writer’s resource library is free.
  • A detailed report to help you improve your writing.

Verdict: ProWritingAid is compatible with Microsoft Word, Google Chrome, and Google Docs. ProWritingAid has no word limit. ProWritingAid can assist you in creative writing, business writing, and academic writing.

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2. Grammarly

Best for comprehensive feedback, including grammar errors and plagiarism.

Price: The basic version, which only detects grammar errors in the content, is free.

The Premium version starts at $11.66 per month. This includes advanced writing feedback and a plagiarism checker. Grammarly for Business costs $12.5 per user per month for groups of 3 to 149.

Grammarly does more than simply provide plagiarism detection. This tool provides complex feedback tools for writers. It checks grammar and gives feedback to improve tone, readability, clarity, and style. This tool is ideal for scholars, students, website owners, and content writers agencies.


  • Plagiarism check
  • Grammar check
  • Clarity and engagement
  • Firefox, Mozilla Firefox, Safari, Edge browser extensions
  • Word and Outlook addon

Verdict: Grammarly, an online tool that allows you to review plagiarized content and improve your writing style, is affordable. The Grammarly app can be downloaded or you can check the content online.


Best for detecting unique content up to 1000 words online. The Pro version has no word limit and does not display ads.

Price: The basic version of the online plagiarism checker software is free and allows you to check up to 1000 words at once. The Pro version has no word limit and does not display ads. The app’s paid version is available in three versions: Student, Institute, and Enterprise. uses an advanced algorithm to search for duplicate content. The app analyses content based on word choice, lexical frequency, and matching phrases. The tool will scan the text on millions of websites to find plagiarized content. It can handle documents in Txt and Doc formats.


  • Deep search
  • URL/File uploading
  • Advertising that works
  • Support for multiple file formats
  • Get PDF reports

Verdict: is best for students, teachers, and writers. This software is ideal for those who are concerned about data security.

The app has a limit on the number of words it can search for. The paid version can check up to 6,000 words per search, while the free version only allows 1000 words. The application is not recommended for authors or scholars who wish to test their book or thesis for plagiarism.

4. SmallSEOTools

Best for Use Best to check plagiarism, spell-check, rewrite articles for repurposing, counting words, and changing text cases. Tools for domain analysis, website tracking, and backlink analysis, as well as keyword and keyword analysis, are available.

Price: Free

SmallSEOTools allows you to perform many tasks to optimize your website. These are the best free plagiarism checker software for website owners. This tool allows you to check 1000 words per search. You can copy and past content, enter URLs or upload files from Google Drive, Dropbox, or local drive.


  • Different file formats are supported, including PDF, RTF, Doc Docs Docs Docs, and Txt
  • Plagiarism Checker API and Plugin
  • Available in Google Play, MacStore, and App Store
  • Download plagiarism report

Verdict: SmallSEOTools works best for website owners. This online tool lets you check your document for plagiarism, and much more. The best part is that you don’t need to spend a penny to access all of the tools available to optimize your website content.

5. Dupli Checker

Best for Free online plagiarism and grammar checking. A variety of tools are available for website owners and digital agencies. These include paraphrasing, spell-check, MD5 generator, and image to text.

Price: Free

DupliChecker, another free plagiarism scanner, allows you to inspect duplicate content free of charge. This software is only for website owners. The software can be used to check the content of your website by copying the URL link and uploading a file from the local drive.

There are many other free Dupli tools available, including a spell-checker, word counter, and change text case. You can also merge words or grammar checks.


  • Different file formats supported, including PDF, RTF and Doc, Doc, Tex, and Txt
  • Plagiarism checker
  • API and Plugin
  • Grammar checker

Verdict: Dupli Checker tools enable website owners to optimize their web content. This tool is ideal for website owners as it provides basic plagiarism checking. Students and scholars, however, should consider other options for plagiarism checking.

6. Quetext

Best for checking websites, academic sources, and news sources to find plagiarized content.

Price: The basic version supports 5 free checks and color grade feedback. Pro versions cost $9.99 per month and include additional features such as citation assistants, downloadable originality reports, interactive snippets, and many more.

Quetext is a plagiarism-checking tool for bloggers, students, teachers, website owners, and bloggers. This online tool uses the advanced DeepSearch method to perform contextual analysis and word placement with smart algorithms. This plagiarism checker tool allows users to check and grade the content. It also lets them know how much of it is plagiarized.


  • Industry-leading privacy
  • DeepSeach technology for fast and efficient results
  • ColorGrade Feedback
  • Interactive Snippet text viewer

Verdict: Quetext, a plagiarism checker for students and teachers, is affordable. Website owners can also use the tool to look for plagiarized content.

7. Plagiarisma

Best for Freeplagiarism Checker that can be used by students and teachers as an alternative to Turnitin or Copyscape.

Price: Free

Plagiarisma allows academicians and students to examine plagiarized content. This software has the unique ability to support a large number of documents. This plagiarism testing tool also allows you to search without limiting the word count.


  • Supports RTF, MS Word and TXT.
  • Moodle, Google Play and Blackberry are available
  • More than 190 languages supported

Verdict: Plagiarisma provides free plagiarism checker tools for students, scholars, and educational institutions. It has a lot of supporting documents, which is the best thing about the tool. The tool is also available in hundreds of languages, which makes it ideal for international students from non-English speaking countries.


Best for free Plagiarism Checking of up to 2000 Words per Search

Price: Free supports plagiarism checking of over 2000 words. You can use this online tool to check for plagiarized content. Simply copy the text and enter a URL. Or upload files from DropBox. The tool can also be used to check for grammatical mistakes in the content.


  • Searches supported up to 2000 words
  • Check grammar
  • Sentence-wise results
  • See matched results
  • Download plagiarized report

Verdict: plagiarism checker tool is great for anyone that wants to check documents for duplicate content. This free plagiarism checker app is great for bloggers, authors, students, teachers, professors, and teachers.

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Best for plagiarism check of up to 1000 words Premium package allows plagiarism checking up to 25000 words per time.

Price: Free plagiarism scanner supports up to 1000 words per hour Premium packages are available if you need to verify more words.

PREPOSTSEO is another excellent tool for website owners and academicians. The Premium version allows multiple files to be uploaded at once. Depending on the package selected, you can search for between 1,000 and 25,000 words. You can integrate the tool with your own application by using APIs.


  • Multiple file uploads
  • 24/7 customer support
  • Deep Search
  • API Support

Verdict: PREPOSTSEO can be used by multiple users. This online tool offers premium features at affordable rates.

10. PlagTracker

Best for Fast and free fast content plagiarism testing in multiple languages

Price: Free

Plagtracker can be used to check for plagiarism online. This online plagiarism checker tool allows you to check for plagiarism, correct grammar mistakes, and proofread your document. Before publishing content, publishers and site owners can confirm that it is original.


  • Multilingual support: English, German and French.
  • A large database of academic papers
  • Easy plagiarism reports

Verdict: PlagTracker works great for academicians, site owners, and publishers. This online tool detects plagiarism free of charge.

Conclusion – Best Plagiarism Checker Tools

There are many types of online plagiarism checker tools. You can find different features for different purposes.

You can use this tool to check for plagiarism in the website content. The best free tools are Dupli Checker and SmallSEOTools.Grammarly, EduBirdie, and Quetext are the best tools for teachers and students to check for plagiarism.

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