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6 Free Duplicate Content Checker Tools

Duplicate content is the worst enemy for any blog and it can cost you a lot if google founds duplicate content in your blog. Your blog can either get removed from the search engine or its ranking can be dropped for all your targeted keywords.

As you know TechMaish was a guest posting blog where most of the posts are contributed by the guest bloggers, internet marketers and business owners. I always checked my articles before publishing, however as you know most of the people are hiring writers to write articles on different topics and then publish on guest posting blogs.

A article written by a freelancer has always the issue of duplicate content, because of excessive load on the writer. OR the quality factor can be ignored by the writer which makes the article unprofessional and promotional one. I always checked my published articles on regularly basis to check if any of my blog article contain duplicate content. I am using different tools to detect duplicate content and some of them are great tools available for free. Although the tools are free, but if you buy a premium package then you can get accurate and detailed result for your searches.

Duplicate Content Checker Tools

Four Free Duplicate Content Checker Tools

1. Copyscape

One of my favorite, reliable and accurate tool is copyscape, which provides me the ability to search published and unpublished articles against duplicate content issue. The tool will search all pdf files, internet websites, blogs, forums etc and find the locations with links from where a article is copied.

The tool is free, but in free package you can only search already published articles through its link. If you want to check a unpublished article then you need to buy credits. 1 credit is charged for checking a article having maximum 2000 words. You can buy 200 credits for just $10 ($.05 per credit).

If you deal with high volume of content then you can get premium API to integrate the tool in your CMS and search all the articles inside your blogging platform.

2. Duplichecker

Another free tool where you can check unpublished articles for free is duplichecker. You can either paste the article or upload the .txt file to let the tool search the article and find out if it is copied or a unique one. It can use Google, Yahoo and MSN indexer to search the duplication on internet. However the recommended indexer is Google.com

3. Plagiarisma

This tool has 3 option that allows you to detect duplicate content issue. You can search the whole text, or URL of a article or you can upload a .txt, .doc, .rtf etc files. More then 190 languages are supported by the tool and the accuracy of the result is sure.

4. Plagium

This tool allows you to paste a article having maximum 25,000 characters. It is one of the best alternative of copyscape tool having advance features. Get email alerts when your article is copied, work with yahoo, bing and google indexer.

They also offer premium membership where you can buy 60,000 characters for just $1 (around 12 searches) and 1000,000 characters for just $10 (around 220 searches).

5. Plagiarism Checker for Students

Here is another Free duplicate content checking tool from Thepensters that not only check for duplicate content in blogposts but also can be used to check for duplication in eassy assignments. You can enter maximum 1000 words in the box to search for any duplicate content issues. Currently the tool allows you to check in English and Spanish language.

Unregistered users can use the tool for max 5 times in a month and registered users can use it for unlimited times. This is a perfect tool for both bloggers and students.

6:- WorldEssays Free Plagiarism Checker

If you want to check your texts for free, here is a good option to scan your writing – Free Plagiarism Checker by WorldEssays.com. If you are a user who has addressed this writing service at least once, you can exploit the checker to review 100 texts per month. However, in case you don’t have an account with WorldEssays.com, you can avail of only 5 checkups per month. Moreover, Free Plagiarism Checker offers you to scan either English or Spanish papers if you have such a need.  Use this opportunity to find out whether your writing is original and unique to get the best reward for your efforts and time.

Hope these tools will help you to check an unpublished article or published one to protect your blog from duplicate content issue. Let me know if you know about any other reliable and free tool.

{ 66 comments… add one }
  • Zohan @ ScreamingTips

    May 20, 2011, 11:50 pm

    Nice Article Buddy!
    Personally i use Google to check if the content is copied or not :), it seems to be better than everything according to me. CopyScape sucks sometimes!

    Thank you for this post! πŸ˜‰

  • Atish

    May 21, 2011, 2:47 pm

    I used copyscape.com but some times i got wrong results…
    I think the best way to check just copy the content upto 30-35 words and paste in google and find out if there is same content anywhere… then again you can copy next paragraph and check it..

  • HemanthKumar Chilakapati

    May 21, 2011, 6:22 pm

    Its great list dude. I use frequently copyscape to get rid of content copiers. Keep it up dude.

  • Best SEO Blogging | Kira

    May 22, 2011, 2:09 pm

    Great list! Copyscape works well for me but I think if the content is not copied from somewhere else, why use these tools. Anyway, for verification.

  • Brian @ GuideToStart

    May 31, 2011, 1:32 am

    Great advice! My blog had gotten 500 articles this weekend in 48 hours submitted mostly by robots. Of course, most of the content was duplicate content already on other websites. I will try some of these tools to at least see if they help out some.

    Thank you!

  • yumyumfoodrecipes.com

    June 3, 2011, 8:49 pm

    Nice article… The problem with copyscape is that, they have limits.

  • Seo Tools

    June 18, 2011, 10:34 am

    Thanks a lot to share duplicate content checker tools.

  • Bob | Local Search Marketing

    August 31, 2011, 10:43 am

    Thanks for the list. Appreciate the Copyscape alternatives.

  • All Nice Methods

    October 13, 2011, 1:02 am

    I used copyscape.com I think that it’s really nice because it’s kill to the enemy.It’s protect to content.If you are real professional writer then you can’t use copyscape. All your article must be unique.Then you can growing up level.

  • seoporter

    November 28, 2011, 6:05 pm

    This is really cool! now I can check my articles many times to make sure it is not copied… thank you very much…

  • Rasel Rony

    December 23, 2011, 3:50 pm

    thanks a lot, copyscape is my choice

  • Mike

    January 15, 2012, 11:27 pm

    The Duplicate content issue has been blown up out of all proportion. Duplicate content is everywhere. As an example, do you think google De-indexes or penalizes the thousands of News sites that publish the same news articles? Of course they don’t. Duplicate content refers to duplicate content on the same website URL. I have no problem adding content to my sites that have been published elsewhere. As for articles being plagiarized , as long as it’s not the full article and whoever uses it posts a link back to the page URL it was taken from, I have no problems with that either πŸ™‚

  • John Mak

    January 26, 2012, 1:44 am

    Great informational post! Thanks for posting. Everyone needs to know about these tools!

  • Making Money Online Using IMeye Keyword Tool

    April 7, 2012, 4:01 pm

    Thanks a lot for these sites palagium is my favorite πŸ™‚ there is also http://dupeoff.com/ but you can only make one search per day for free or else you will have to pay.
    Thanks again for sharing.

  • wahab

    April 25, 2012, 1:05 am

    Thanks a lot to share duplicate content checker tools.

  • Lawrence Namuco

    May 7, 2012, 12:10 pm

    Gonna be checking the other tools as well. So far I’ve only used CopyScape. Thanks for this article!

  • Mazhar Shahzad

    June 1, 2012, 3:35 pm

    Thanks a lot to share duplicate content checker tools. its a very useful info

  • Naser @ Tech Blazes

    June 2, 2012, 7:15 am

    I used CopyScape earlier but now I use it rarely as it does not allow to check article text. I use Plagiarisma now.

  • Electropedia Blog

    June 13, 2012, 12:39 am

    Thanks for sharing. I think this post will help writers to find out best content checker for them.

  • Essa

    August 21, 2012, 12:19 am

    very nice and Detail information . I was looking for such sites which can check detail information about copied content ! but i know copyscape and some others they just provide you free check just once or twice!

  • Hussain

    August 26, 2012, 4:09 pm

    Great sharing Bilal i just use copyscape other three are new for me.

  • sobhi

    August 31, 2012, 3:04 pm

    Thanks bilal for sharing other site. I knew only copyscape.com

  • Ben

    October 4, 2012, 1:00 am

    As Sobhi said, I also only knew about copyscape. Thanks for sharing.

  • abhi

    October 6, 2012, 3:36 am

    awesome list of tools,
    can anybody provide with more?
    thank in advance.

  • Acel Tolentino

    October 23, 2012, 6:37 am

    These duplicate article checkers seem to work in reverse. πŸ˜€ I expect that my article has duplicate but none are found. I am pretty I submitted them somewhere but no results are found! What could be the reason behind this?

  • Techlido

    October 26, 2012, 8:06 pm

    Great post work for me, but most them are paid, I want check content of my whole site. I know its not a big deal but Google makes me worried about my own website, I have hired a content writer but still not sure about the quality of my content after penguin. Copy space is best among all. Thanks Bilal for sharing.

  • Oluwaseun babajide

    November 5, 2012, 9:07 am

    The only drawback is that it has limit.

  • Austin@plagspotter

    November 5, 2012, 3:25 pm

    There are a lot of new free services, such as copyscape.com in beta stage but ready to use πŸ™‚

  • ch

    November 29, 2012, 2:51 pm

    is there any site/tool to check my content duplicacy before posting it on the site

    • Bilal Ahmad

      November 29, 2012, 3:04 pm

      You can use all of the above tools for checking duplicate issue in content.

      • chirag

        December 12, 2012, 1:08 pm

        i need a tool to check any dulicacy “BEFORE” posting my content on the website

  • Genie

    December 18, 2012, 12:36 pm

    I used all the above tools to check the copy content in my website and clients. The best tool i would recommend you all is copyscape. The best tool ever for content checker. The disadvantage is it wont give much free searches

    • Sammy

      March 17, 2015, 2:10 pm

      If you think copyscape is the best, you should see copyact! Waay better, and provides you with more advanced tools (crawling the sitemap or the website structure). No more plagiarism checkers from the XXth century!

  • Kevin

    December 25, 2012, 5:11 am

    Normally I use copyscape and google to check duplicate content. I will try with other tools. Thanks

  • mobiandroid

    December 26, 2012, 11:21 am

    Hello admin. is there anything other than the free copyscape copyscape.com. because my site is already limiting copyscape.com. thanks

    • Bilal Ahmad

      December 26, 2012, 7:56 pm

      All the mentioned tools are free but having limitations. If you need without limitation then you will need to use Copyscape Premium.

  • Majid Bukhari

    December 26, 2012, 11:30 pm

    Copyscape is the best tool for checking duplicate content

  • GenF20

    March 17, 2013, 6:07 pm

    Great article. Thanks for the great info. I use Copyscape and Google. That is give me best result for me!

  • aries

    March 23, 2013, 3:16 pm

    Nice tipe, I use plagium. this tool is very simple and easy to use. Thanks…

  • Chiranjeev

    March 31, 2013, 2:31 am

    Nice list of duplicate content checker tools. As i think, DupliChecker is one of the best free Plagiaris checker tools.

  • stellan

    April 14, 2013, 10:24 pm

    Thanks for this. . . Really help πŸ˜€

  • Umar Rashid

    April 20, 2013, 1:47 pm

    Dear Bilal I dont know how to recognize spinned content, where as even copyscape dont work nicely for it, Is there any other tool no matter paid or free but it should be very smart duplication detector. Please help me out. Thanks

  • kareem

    May 2, 2013, 6:54 pm

    Thanks for the list, I mostly use the “CopyScape” for the checking the duplicate content..

  • liza

    May 7, 2013, 11:59 am

    Personally i use copyscape for checking duplicate content.But for free content checking i would like to suggest one more http://smallseotools.com/plagiarism-checker/ .

    • Rose

      February 16, 2018, 2:07 pm

      smallseotools is fake. It does’nt work. Don’t trust this tool

  • rajasekar

    May 8, 2013, 11:53 am

    I use plagium. this tool is easy to use. Thank you…

  • Abhishek

    June 12, 2013, 3:44 pm

    Thanks for this article, helped me find these tools. I was looking for some tools to check palgriasim

  • Rajendra Reddy

    July 31, 2013, 8:31 pm

    duplichecker works better for me .

  • exposedhostingreviews

    August 16, 2013, 1:02 pm

    I stick to copyscape!

  • beautiful credit card images

    August 17, 2013, 4:55 pm

    i am happy with http://plagiarisma.net/
    thanks for the list ahmed

  • shoaib Marfatiya

    August 30, 2013, 5:46 pm

    copyscape and plagiarisma are best tools to check duplicate content. i already use both site. greate site. thanks

  • Trivedi Jay

    January 29, 2014, 3:34 am

    Great information’s you have shared i am now bookmarking this website links πŸ™‚ …

    I have many things to talk and share with you bro πŸ™‚ … If you love to share technology and blogger info then send me reply πŸ™‚ … I believe in share knowledge πŸ™‚

    Thanks for great post

    • Bilal Ahmad

      January 30, 2014, 8:22 pm

      What info you would like to share Trivedi?

  • Mailin Rodrígez

    June 27, 2015, 8:26 am

    Great Tools ..Thank You!!

  • rohit

    January 8, 2016, 2:22 am

    We can Install DMCA Badge Plugin, after that If some one is copying your data you can request DMCA to remove that copied data form other websites, DMCA will send notice to website adn search Engines this is the best Practice available today I am using the same Plugin http://goo.gl/hlnWex

    • Bilal Ahmad

      January 10, 2016, 11:57 pm

      Rohit@ This plugin is good but it is only the way to stop people copying from you. However the tools can help you find who has copied the content.

  • Sasha bank

    January 21, 2016, 4:17 pm

    Thanks for the comprehensive list. I use Copyscape for my blog.

  • azmol

    February 11, 2016, 9:11 am

    Hello ,
    Very nice tips for check unique Articles Fast , I will try to follow this steps . But I get a new site also where I can see it’s possible to check any articles unique fast and auto. site is #firstseotools.com . Please help me to that if the site is good for making unique comments.
    Thank you !

  • Priya Singh

    March 6, 2016, 3:54 pm

    Hi Dear,
    great to see ll knowledge about how to check duplicate content and all here in just single blog post, and you are right we need to take care of it because blog post is important for blog without blog article no one will follow your blog and thanks also for providing these 4 tools to check duplicate content on internet easily.

    superb tools !, Thanks πŸ™‚

  • Imran Khan

    April 9, 2016, 10:57 am

    According to me SmallSEOTools is also one of the best tools to find duplicate content. However these tools are also looking nice, will surly try to use practically. Thanks to share this post.

  • Bill Lintner

    July 11, 2016, 2:07 pm

    Thanks to share this post. One of the best duplicate content checker tool.

  • psingh

    August 24, 2016, 3:07 pm

    Great content you have mention almost all great duplicate content checker in this post.
    thanks for this post

  • Mike

    October 20, 2016, 11:55 pm

    All plagiarism checker tools are really amazing.I use some tools but those are not good so this information is very helpful for me.Thanks man for this powerful information.

  • Hafis Dubai

    December 2, 2016, 3:20 pm

    Any tool to check the whole website for duplicate content?

  • Paweł April 28, 2017, 2:49 pm

    I would like to introduce the new tool which killer feature is the ability to check all URLs within your website. You provide the homepage address and we scan all URLs, take a sample text from each page and check the duplicates.

    In the result, you are able to find all problems in duplicate content space. With this kind of report, it’s easy to send the removal request to all suspected site owners.

    Please check the tool on http://duplicate.ninja


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