Plagiarism checker is known as software available online which checks a document or a portion of a document for duplicate or plagiarized content. The checker will scan the internet for other users of the terms of the same phrase or quotes and in some cases, plagiarism checker can also detect similarities in wording and paraphrasing. So, Plagiarism checkers will look fro direct quotes and similar wording between your document in wording and paraphrasing. Below are the best free plagiarism checker online.


Grammarly@EDU | Trusted by over 1000 Educational Institutions ...

Grammarly can be used for writing feedback which includes plagiarism, grammar errors, and word use. The tool helps in checking grammar errors and provides feedback for improving tone, readability, and clarity of the content. So, the tool can be suitable for students, scholars, website owners, and content writing agencies.

This tool can be good for detecting unique content of up 1000 words for free, online and Pro version works with no word limit which doesn’t display any kind of ads. So, uses an advanced algorithm to search for duplicate content. Even the application will analyze content based on word-choice, lexical frequencies, and matching phrases. Also, the tool can run the text through millions of sites to check the plagiarized content.


The Duplichecker is ideal for examining grammar and plagiarism for free, online. This tool is used by targeted to website owners and digital agencies, including a paraphrasing tool, spell check, change text case, MD5 generator, image to text. So, website owners can check the content by pasting the URL link or uploading a document store on the local drive.


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This tool is good for checking plagiarism, spell checking, rewriting articles for repurposing content, counting words, and changing text cases for free. You can use it for domain analysis, website tracking, backlink and keyword analysis and many more. So, this tool is targeted to website owners and allows you to check 1000 words per search.  You can copy and paste content, enter URL, or upload documents from local drive, Google Drive, or Dropbox. SmallSEOTools is the best free plagiarism checker online.


This tool can be best for plagiarism checking up to 1000 words for free. PrePostSEO is another tool for academicians and website owners alike. The premium version supports multiple files uploading at the same time. You can check between 1,000 to 25,000 words per search by depending on the selected package. Also, the tool will support APIs which allows you to integrate the tool with your application.

There are many other tools that can be used by the many free of cost in the plagiarism checker. However, the above tools are the ideal tools for using it to check plagiarism in order to correct the errors. Hope that I have covered all the topics in my article about the best free plagiarism checker tools. Thanks for reading!