Plagiarism Checker

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Maximum 1000 words limit per search.
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About Plagiarism Checker

The ownership of original ideas or content is considered intellectual property and is protected by copyright laws, just like original findings or inventions. All forms of content fall under copyright protection as long as they are recorded in some way like on a website, book, video or audio formats.

All published and unpublished material, whether in articles, printed or electronic format, is covered under this definition. Plagiarism may be intentional or unintentional. Under the copyright regulation laws, intentional or unintentional plagiarism is an offence.

Plagiarism can occur in many different ways. While often associated with blog contents, it can also happen in business articles, school assignments, speech, news articles and more.


Why you Should Avoid Plagiarism

A content writer who posts plagiarized work on his website is committing theft with the hope of reward from that theft. This is true whether you are posting a blog post for monetization purposes, turning in a school assignment to get an “A” or you are a freelance writer who gets paid writing articles. It can ruin your reputation if the original content writer ever finds out and he can even sue you for plagiarism. Remember the plagiarized speech by Melania Trump? That didn't work well, did it?

You should also avoid duplicate content by all means because you can get penalized by Google if you are using your content for SEO purposes. By far the number one thing that gets websites penalized is having too much duplicate content on their websites. Original content is the number one ranking factor for SEO. Google will penalize you if a large portion of your content is stolen from another website. Stolen duplicate contents is plagiarizing and Google will penalize websites that do this.


How to Avoid Plagiarism

Try as much as possible to avoid plagiarism at all times. You can manually write your content and use different skills like paraphrasing, using citation, proper note taking just to name just a few.

Follow these four steps to ensure your paper is free from plagiarism:

  • Keep track of the sources you use in your research works.
  • Paraphrase or quote from your sources and add your own unique ideas. Ask yourself what additional points or unique perspective you can contribute in your article that’s entirely your own view. If you cannot write manually then use an article rewriting tool like SEOCentralTools' Article Rewriting Tool to rewrite your article or text.
  • Credit the source or original writer in a reference list and in-text citation. Make sure to add a citation in your article that identifies the full name of the source.
  • Use a plagiarism checker before you post or submit your content. Using an online plagiarism checking tool can help you catch plagiarism issues before posting or submitting your work.


How to Check for Plagiarism

Plagiarism checker Tools can be used to cross-check text for duplicated content. This may include similarities in wording, original ideas, direct quoted material etc. Plagiarism tool helps ensure that the article is original and not 100% copied directly from the original sources.

Plagiarism tool scans the Internet or large database of content to find anywhere an article already existed. If it finds similar contents, it gives you the source, the links and show you how much has been directly quoted from the previous works. This helps you avoid unnecessary punishment because now you can change your wordings, sentences before you use it.


Features of quality Plagiarism Checker

There are tons of great Plagiarism checking tools on the internet, most of them online. A quality Plagiarism checker has some of the qualitied below.

  • Multiple Sources to Check against.. A good quality Plagiarism tool scan the internet for other copies of content or documents. It checks through tons of sources like every websites online to find plagiarized materials. If a tool is limited in this regard, then its of no use.
  • Accept Multiple File Formats.. A good tool for checking Plagiarism must accept mutliple file formats. Some good tools allow you to check from documents (.rtf, ex, .doc, .pdf,.txt, .docx, and .odt), website URL or website links.  
  • Smart Plagiarism Checker and Report. A good tool works on word and sentence level to find Plagiarism. It should produce alerts for any areas where the text matches an internet source and provide links to the similar contents.
  • Find content from a URL or website link. Most tools out there only accept pasted content and that might not be good enough. A good tool should also accept website links or files.
  • Large amount of text per search. Most tools can take up to 1,000 words per search and thats a great tool. Anything under 1,000 words is not good enough.
  • Open Source (Free Checks). There are tons of paid tools for checking plagiarism but you don't have to pay for this. A good open source or free tool can do a good job well so you can check out our number recommended tool below.


Best Free Plagiarism Detection Tool. Our No 1 Pick

To check your content for plagiarism, check out Plagiarism Checker Tool from Its is one of the best Plagiarism Checker tools. The plagiarism checker is part of our robust 100% free online SEO tools. It has so many unique features that makes it work great for detecting plagiarized works. It has a large database of content to check against, accepts multiple file formats including website URL or add content from documents (.txt, and .docx,) and you can paste your content directly into the document window.

Our 100% free online plagiarism check will tell you whether or not your text contains duplicate content. The plagiarism checker is part of a robust SEO tools that offers advanced feedback on writing mechanics like grammar and spelling as well as more complex stylistic issues like word choice, conciseness, tone, and more.

It has a very reliable smart checker engine that creates a uniqueness reports and links to Google where you can find the original reports if any similar content is detected. You also get a unique content score from 0-100%. 0 for similar content and 100 for a plagiarized free content.


How to Use SEOCentralTools Plagiarism Checker Tool

It is important to remember that a tool like SEOCentralTools Plagiarism Checker is simply a text-matching software. SEOCentralTools Plagiarism Checker scans the internet and compares the content you provided to what it finds on the web.  It will give you alerts for any areas where the text matches an online source.

You dont need a login to use it as its a free open cource tool for anyone to access and use at any time. It will identify text-matches and identify actual plagiarism by providing links to similar content on Google.

All you need to do is follow the steps below for a quick check:

1. Visit and go to the Plagiarism Checker Page.
2. Add your content to the Tool by pasting in your content in the document window or uploading content via URL or file uploader. Click on the check for plagiarism check button.
3. SEOCentralTools will scan your content for plagiarism by comparing your content against billions of web pages.

This is what you will see if the website is up:



Click on the submit check for plagiarism checker button.



The tool will do its job and scans the internet and compares the content you provided to what it finds on the web. If it detects similar contents, you get a 0% score and the more unique the content is, the better the score.



You can edit any areas that the tools wants you to edit and redo the steps again. You can use our unique Free Article Rewriter tool to rewrite your article until you achieves uniqueness near 100%. Our content rewriting tool is one of the best tools for rewriting content that will pass plagiarism test. If the content is unique, then you have unique content alert like below with uniqueness up to 100% score.



This is how to use a Plagiarism checker tool and know how to avoid damaging your online reputation or have penalty from search engines or get penalized by your lecturer.

So we highly recommend SEOCentralTools plagiarism checker for checking plagiarism. The more unique content you have on your website, the better your rankings on Google and other search egines. If you are a student, a unique content in your assignment fetch you maximum marks and you avoid punishements.


We do also recommend a 100% free online website analysis tool that offers complete access to the best-in-class proprietary metrics including PageSpeed Insights, Traffic rank, Keyword consistency, Text/HTML Ratio, Keyword Difficulty, Link analysis and more. Uncover technical SEO issues on your website wth this tool and get a get a fully custom, beautiful PDF reports with recommended improvements and fixes.