11 Best Free Plagiarism Checker Websites for Bloggers (You Can’t Do Without Them)

Plagiarism has been a pain in the ass for many content marketers and if proper care is not taken to prevent publishing copied contents on your prestigious blog then, I’m afraid, you won’t be on this for long.

Best Free Plagiarism Checker websites

The painful truth is that people are lazy these days. Just ask most people that claim to be freelance writers to write a short 500 words article on any topic, and they will go copy it from the internet and present to you. Now, as someone who’s busy with so many other things, you might end up publishing such stolen piece on your blog and what do you think might happen next?

Oh yea, you guessed it right!

You will start getting embarrassing emails from the original owner of the article asking you to take it down or…………. I guess you already know.

However, the problem of plagiarism does not only surface when you outsource articles, if you’re someone that accept guest posts from other bloggers then chances are, some of the guest posts you often receive might not be original as well and having such articles on your site will only be sabotaging your SEO efforts thereby putting your blog on the line.

A survey carried out by the Psychological Record shows that 36% of undergraduates have admitted to plagiarizing written material.

Similar to publishing copied contents on your blog, someone might also copy your own articles and publish on their blog and as you already know, this can result to Google penalizing your site. It is therefore pertinent to always monitor your articles to ensure no one is copying you without proper permission and attribute.

Luckily, there is a good solution to this, the best thing is to always use plagiarism checker websites to figure out if you’re dealing with original contents or not. There are many of such tools on the internet today but, the problem is that many people are usually not able to afford such tools, that is why I’m writing this post for you.

Are you searching for free plagiarism checker websites or tools? Do you really desire to ensure every article that goes to your site is pure, immaculate and original?

Well, if you answered yes to the questions above then, search no more because you’re already in the right place.

What is Plagiarism?

Now, if you’ve been in the content marketing business for long, I bet you already know what plagiarism stands for. But in case you don’t, I will take a little time to explain.

Plagiarism simply means copying from other sources without giving any credit. It’s like cheating and taking someone else hard work to claim it as your own. Due to immense growth in website creation, more and more people are searching for easy ways to copy others content to get more traffic to their websites.

Though Google search engine crawlers are smart enough to know which is copied and which is not, but you have to take care of your content not to get copied by others.

As a blogger who works online most of the time, it isn’t unusual to stumble upon my work published on websites that I never gave permission to reproduce my work. After all the painstaking effort put in especially in writing my web hosting review articles, it is annoying and frustrating to find my work being irresponsibly copied by other “writers” on other web hosting blogs. Plagiarism can simply be defined as the most “similar imitation” in which a particular work previously and originally done by an author is copied without the author’s knowledge or approval.

Plagiarism can simply be defined as the most “similar imitation” in which a particular work previously and originally done by an author is copied without the author’s knowledge or approval.

I recommend everyone who blogs to create a copyright page and place it on either footer or best visible places on their websites. This way if someone copies your content, you can ask DMCA or Google to remove that content from your websites, you can even take copyright infringement issues against them. So immediately start working on creating a copyright page for your blogs and websites.

Types of Plagiarism

It might interest you to know that plagiarism comes in two forms namely: Intentional and unintentional plagiarism.

  • Intentional Plagiarism: This is a case where someone intentionally copied your content in other words, he did it consciously. This is what most cheap freelance writers often do. Article spinners and newbie bloggers that know nothing about the various laws guiding the internet are also victims of this.
  • Unintentional Plagiarism: In this type, the copied content is done without you being aware of it. This can usually happen when you’re writing and there happen to be traces of some sentences similar to what you have on your content. Also, it can be detected when you quote someone else work without giving proper attribution and credit.

In either case, you’ve committed plagiarism and will face the consequence is nothing is done about it.

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Why Use Plagiarism Checker Tools?

To simply detect the copied content online. If you want to know who copied your content, plagiarism checker tools help you easily figure out that. Google releases latest updates to either penalize or reward websites.

If your websites have thin contents or using bad strategies to build links, it will automatically get penalized by Google’s updates like panda and penguin. If you have quality contents, you will get top results in SERP’s, it is as simple as that.

So if someone copies your content, Google crawlers see multiple pages on their search results with the same information. Even though if you are not copying from others, your site might be penalized because of others stealing from you. To prevent this, you need to regularly check Google search results whether someone is copying your contents or not. Then you need to take specific actions (DMCA etc.) to remove that contents from other pages.

To find who is copying your contents on Internet, plagiarism checker websites help you solve your problems. Yes, surely you can also use Google (copy and pasting your own content) to find who is copying your contents, but it becomes a mess when you want to search bulk web pages. Moreover, you can’t get the specific URL’s of copied contents without using plagiarism checker websites.

That’s the reason why I decided to write a specific post on using the free plagiarism checker tools to find copied contents, I hope you will like all of them. Try one after the other, and let me know which one you liked most in the comment section.

Fret no more for there are several good, reliable and free plagiarism checker websites to protect your hard work from being stolen.

The top 11 plagiarism checker tools and websites are

Free plagiarism checker tools

1. Plagiarism Checker By EduBirdie

This is the best plagiarism checker tool created by EduBirdie. If you want to create high quality and error-free copy to get more visitors to your sites, this tool is for you.

Its interface is too easy to use too. Just visit their site and paste all the text that you want to check for plagiarism. Click on Check my essay button to find if there’s any copied content within your text. It’s as simple as that.

2. Article Checker

Another great copied content checker is Article Checker. Unlike PlagiarismCheck where you’d have to register and upload your work beforehand, the Article Checker is amazing as it allows you to check your work directly and instantly by pasting your text/work to make a comparison. There isn’t a need to register or download anything. Check for any possible duplications within seconds, however the results may be dissatisfying at times.

3. Plagiarism Checker

This site is especially beneficial to authors and teachers/lecturers alike with different guides given to each author and teacher on how to use the product. At this site, you could check a document, web page, handouts and articles for duplicates and report any plagiarism detected immediately. Unfortunately, Plagiarism Checker doesn’t come free. Other plagiarism detection services are also available but you’ll need to buy subscription.

4. SearchEngineReports

This site is extremely simple and all you need to do is to paste your text/work in the text box to compare. The site currently has some unresolved issues with Bing with the latter throwing false plagiarized positives in certain situations. You just need to enter a domain name that you want to check the copied content along with few keywords that you are looking for, this tool will take care of the rest. It will show all the copied contents along with the ranking for the particular keywords that you enter. So you can also check the rankings for the keywords you are ranking for along with the copied content.

5. Tuition

The site not only provides checking for any plagiarism in English, but also provides a comprehensive range of private tuition, tutors and exam preparation services. Unfortunately, the site would most likely benefit only students from Hong Kong.

6. DupliChecker

The site offers free online plagiarism detection tool without any registration required. On top of that, DupliChecker also provides a lot of useful tips and information regarding plagiarism, but it might take forever to read everything on this site though. The only limit is you can only search for 1500 words at a time, not a better way to find your copied contents if you want to search for detailed posts or web pages, still it’s a great plagiarism tool to find copied links or content.

7. Plagium

Plagium is another plagiarism checker that is free for all to use. The checking algorithm scans the web and new for similarities and the users can opt to display the summaries, text found, timeline and/or real time results. You need to enter the copy of the content that you want to check and fix copied content and this tool does the rest. The best thing about this tool is you can not only check the web, but you can also check social media sites like Facebook, twitter etc including news pages to find if someone copied your contents.

8. Dustball

The site practically works just like most other plagiarism checker websites. It offers basic checking services for free but if you would like to have more powerful detection at three times more accurate than the free version, you can sign up for the premium version at $8 per month.

9. SmallSEOTools

This is a site that provides a wide range of services other than just plagiarism checking. One can utilize the article rewriter tool and use the other features such as link tracker, search engine pingler, backlink maker and Google parerank checked. However, the plagiarism checker is pretty basic but thankfully, it’s free and everyone is welcome to use the product provided. You will get red text if this tool finds copied content from your websites, this way you can easily figure out what amount of content is copied from your blogs or websites.

10. PlagiarismCheck

There’s a reason why I put this #1 in the list of free plagiarism checker websites. The site provides free services such as the checking of an unlimited number of papers and the generating plagiarism reports. What is great about the website is that it accepts all kinds of file formats and it even offers simple and instant ways of downloading plagiarism reports from wherever your location is. However, the fast and smart online plagiarism checker does have its own downside: the products offered do not come with any warranty.

Bonus: Copyscape

Just enter the URL you want to search the unique content for, and you will be amazed by the results. If the content is copied, it will show you the results. You can also use Siteliner (inbuilt in Copyscape) to scan all of the pages on your websites to see whether someone copied your contents or not.

It will show you all the URL’s with the percentage of matching words that are copied or found similar on web. This way you can work on removing the redundant contents from your website or blogs. You can again use few banners from Copyscape to scare people from stealing contents from you, there are banners are available for Copyscape.

Final thoughts about free plagiarism checker tools and websites

I would recommend you to use these plagiarism checker tools regularly to check the copied contents and take strong actions whoever is stealing your content or web pages. And don’t forget to create a copyright disclaimer page on your websites, also open an account in DMCA to file complaints.

All in all, the plagiarism checker websites mentioned above all have their very own pros and cons which you should take into consideration before you decide on the best site that suits your personal needs. If you’re a teacher or lecturer checking up on your students’ works, then opt for the site that caters to people of your profession.

Meanwhile, if you’re an author, go for the site that includes or specializes in checking against commercial articles and handouts and make sure to sue the blog authors who copy your stuff by using these copied content checkers.

Please let me know if you know any more free plagiarism checker websites or tools in the comments, I would be glad to consider your thoughts.


  1. Jasmine says:

    Thank you for publishing my writing. Can you please check why my bio is not properly displayed? I thought I have it entered in my profile. Thanks ya! 🙂

  2. Jasmine says:

    Oh, I saw the description at the end of the post. Sorry, I missed that earlier, because usually other blogs put that piece of info in the “Article by” box. 🙂

  3. Mia says:

    I use article checker – it seems the most user-friendly. Even if I try to express my own ideas, for sure that there are several other writers who has similar ideas, so it’s always best to be safe.

  4. Carlos says:

    This is a great resource, it’s a good idea for content writers to check their work before submitting articles to websites.

  5. Hammad Baig says:

    Nice Article ,it’s very helpful for bloggers thanks for the sharing

  6. Forest Jeanneret says:

    Respect for assisting to us all!

  7. Devagya Uikey says:

    Good work but only few of’em are useful for URL check, others are not even OK and they doesn’t seem to be a match of Copyscape or others.

  8. Giriraj says:

    Thanks a lot for this website. Plagiarism is a major concern before publishing any content on the web.

  9. saifal says:

    I agree with Hammad Baig. Thanks for sharing such a nice list. I used Plagium and loved it.

  10. Rakesh says:

    i try all tools but all are paid version there is no tool which is free for unlimited use, please if u know any tool which is free please suggest me

  11. Urs says:

    Hey Jasmine,

    love your list! Have you ever had a go with PlagScan? We’re using it in our school and are really fond of the results and it’s ease of use. Would be interesting where it lands in your hitlist.


  12. I would like to know how reliable these sites are for confirming plagarized or unplagarized content?
    Please help me.

  13. Asad says:

    Hi Thank you for sharing List of useful plagiarism checkers.

  14. Anubhav Gupta says:

    Excellent collection jasmine and good to read your post. i use smallseotool for checking accuracy.
    But your list is really fine. so i’m going to use copyscapetoo. I heared about that but never used.

    I really appreciate your conclusion and work with suggestion regarding DMCA.

    Thanks for post. Keep posting with great content.

  15. Nice list, if we talk about free version of these tools I would say these are not so much reliable but still you can have your work done easily.

  16. Nitin Mohan says:

    thanks for the post nice list of copyrighting sites it will help bloggers to copyright their contents from palagrismsm

  17. Carlos says:

    Hi, thanks for the article, very helpful! is there a tool that helps check for plagiarism across languages to make sure a freelancer is not just translating from other websites ?

  18. Susan says:

    I’m an author of a WordPress resource site named as WPMatter. Due to the professionalism and originality needed for that kink of articles, your listed checker is really help for me. Thanks for your sharing.

  19. Atish Ranjan says:

    I use copyscape premium and it is working well to check plagiarism. I will check out these free tools as well however, I know few of them already. Good list Jasmin.

  20. anto says:

    Thanks for plagiarism article info..
    I need this for my web..

    Good 😀

  21. Heena says:

    I would like to know how reliable these sites are for confirming plagarized or unplagarized content?
    Please help me.

  22. Maxi says:

    Amazing stuff! Keep it up! I was looking for quality alternatives for CopyScape and I found them all here. Thanks, really!

  23. Mukesh says:


    The best and informative post, not focusing on Plagiarism will kill our blogs and the tools listed are very useful in ensuring there is no Plagiarism. Thanks for this wonderful post.


  24. Thanks for the post nice list of copyrighting sites.It’s help me .Thanks for post. Keep posting with great content.

  25. salek ahmed says:

    I was published my blog post without checking. I make some silly mistake. But now I’m aware of it. Thanks for sharing these tools.

  26. jason says:

    Really nice article, easy to read:) This list of free plagiarism checkers is really helpful, I may add one more to that: Copyact – it enables text as well as image search.

  27. Mark says:

    Excellent post indeed. Thanks for your effort. As you are recommending for plagiarims checker , I want to share my experience with Solid SEO Tools. It’s an amazing tool for any blogger. It can help you in a top level to satisfy your demand from a super tool. I personally prefer this tool and always advise my friends to use it and now they are doing so. You can try Solid SEO Tools. I’m sure you’ll love it after a try on it.

  28. Zack says:

    Hi, great list! I think you should definitely add this plagiarism checker to the list, it seems to be much better than all of the above!

  29. Jennifer says:

    i am using Duplichaker for checking plagiarism it’s very nice and i can trust on this. can you suggest any another tool best from Jennifer

  30. Sharad Gupta says:

    Nice post.

    Really helpful for bloggers. Palagrsim check is necessary for every content because copy content kills the SEO rating and result in poor readers experience on any blog.

  31. Ravi says:

    Thank for sharing, we can easily check duplicate content for blogs as well as school papers with the help of the best plagiarism checker tool offered by us. It is free and offers encouraging results.

  32. Abhishek says:

    Nice Post Anil,
    These plagiarism checker tools are really important to maintain quality of content. I use Plagiarism checker os Smallseotool.com.

  33. Ravi says:

    Hi, great list!

    Really plagiarism checker tools make content quality-able. you can check free plagiarism checker tool which offers accurate results.

  34. Mounika says:

    Do the free plagiarism checkers store your work and publish it on the internet later? This is freaking me out as I checked my article for plagiarism using a couple of these free plag checkers…seotools and plagtracker.

  35. Hi Anil,
    What a joy to be here on your page for the first time.
    Nice read. Great list of tools a must use for the bloggers.
    I used some of the tools mentioned in this informative piece.
    I am sure this will be a great collection of tools for bloggers and writers.
    Thanks for compiling it well here.
    Keep sharing
    Have a good day
    Best Regards
    PS:. I found you on the pages of pro.bloggers dot com.
    Glad to mention this.

  36. Sam says:

    Thank you for the great collection of plagiarism detection services. I usually check texts for plagiarism at plagiarized.org. Its totally free and unlimited tool.

  37. Ravi says:

    All the tools are very useful but specially which one i prefer most for my writing task that is Small SEO Tools. As a free service it’s really very good and user friendly. Besides it i also use free plagiarism checker which is provided by Solid SEO Tools. It’s really awesome to get perfect result in a minute . It doesn’t need to download. It’s 100% hassle free. Thanks Marilyn for the nice contribution.

  38. Tilda says:

    Our open source software is infected by plagiarism. It is difficult for me to understand why some of the bloggers don’t care about intellectual property rights. Besides soon or later Google will identify stolen content and cast away your blog in the search system to the end. Sometimes, your content can be reposted without your permission, so if you want to catch a thief, choose the plagiarism checker which scans documents in real time across Google. My anti-plagiarism tool is Unplag https://unplag.com/. I have chosen it because: it supports a lot of document formats, it uses live-web indexes and it is lighting-fast.

  39. Sam says:

    My choice is https://noplag.com/, many free checks and results are very accurate. I have compared it to other plagiarism checkers, paid and free ones, but noplag.com is better in every aspect.

  40. Swapnil says:

    This is the Ultimate list of Plagiarism Checker Tools. A plagiarism checker tools is like as compulsory tools in blog-sphere. Thanks for sharing such a huge list. You have done a comprehensive research on these tools.

  41. Uchchash says:

    I am using smallseotools for this purpose. Checking plagiarism by uploading file is easy because i can’t paste more than 1000 words for checking, it would be better, if anyone could paste more words.

  42. usman sarwer says:

    its an awesome tool collection you have shared that is really cool and helpful to me and its better than other paid tool like Copyscape and other paid tool thanks for sharing great list

  43. Mohamed says:

    Impressive post Jasmine! In fact, I often use Copyscape which really proves to be the most reliable checker on the market.

  44. Jitendra says:

    I also use copyscape premium now for my blog and it is working well to check plagiarism. But some month ago, I used to use duplichecker, it is good too. Good list Jasmin.

  45. I use plagiarism checker from SmallSEOTools and EduBirdie more often .I prefer EduBirdie above the rest becaue of it’s interface.It is so smooth and simple.
    SmallSEOTools is little softer than EduBirdie.Many times , smallseotool’s checker showed me having far more unique content in an article than Edubirdie.I do not know if it is a good thing or a bad thing .Edubirdie checks if we have similar phrases too , which I think is a little harsh.
    I will be trying those lists of plagiarism checker.I was in search for a better alternative.Thank you for this list.

  46. Bhadrajith says:

    Thanks for the great collection. I like the 1st one and the 7th one. However, they gave a few different results.

  47. Manish Lamba says:

    Hi, Thank you for sharing List of useful plagiarism checkers.

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