Top 4 Free Duplicate Content Checker Tools

Duplicate content is the sworn enemy for any blog and it can be a big lose for you if Google has found duplicate content in your blog post. Your blog can either be removed from the Google, Yahoo or Bing search results or SEO ranking can be dropped for all your targeted keywords. Google is very strict now after Panda & Penguin updates.

For your knowledge I want to tell you that Blogs Daddy is a guest posting blog where most of the posts are contributed by the guest writers and business owners. I always check articles deeply before publishing on BD blog, because in these days most of the people and companies are hiring writers to write articles on different topics to publish it as a guest post to get back links in author bio.

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Companies hired freelancers for article writing so these articles written by a freelancers which has always the issue of duplicate content or low quality. I am using some useful tools to find duplicate content and many of them are available for free. If you buy a paid package then you can get accurate and detail result for your searches.

Free Duplicate Content Checker Tools

1. Duplichecker

Duplichecker allows to check unpublished articles for free. This is best tool for checking duplicate content online.

2. Plagiarisma

You can use 3 options in this tool to find duplicate content. You can search by text, URL of a blog post or by upload valid extensions liked: PDF, DOC, DOCX, RTF, ODT, TXT, HTML.

3. Plagium

Plagium allows you to check article up to 25,000 characters. You can search over the web, news or social networks (beta). You will get email alerts when your blog post text is copied. Plagium is free to use, but it costs money to maintain and develop. You can help them by making a donation.

They also offer premium membership:

Amount	Total Search Credit (1)	Estimated Number of Searches (2)
$1.00	60,000 search units	10 searches (2)
$5.00	500,000 search units	87 searches (2)
$10.00	1,100,000 search units	192 searches (2)

4.Copyscape

Copyspace is a reliable and accurate tool for content checking. This tool search all pdf files, internet webpages, blogs, forum threads and posts etc.

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The tool is free for use, but in free package allows you to search only already published articles. If you have a paid package of Copyspace account then you can check unpublished articles also. 1 credit is used for checking a article having maximum 2000 words. Professional writers use this tool only because of its accuracy and best results.

I hope above tools will help you to check a duplicate articles. Let me know if you know about any other free duplicate content checker tool.

Author - Gagan Masoun is the owner of Blogs Daddy Blog.Gagan lives in India, has been blogging since 2010 and writing Blogs Daddy Blog since 2011.You can find him in the usual social networks.