Plagiarism Checker Websites (Free)

Copyscape Alternatives: Top 6 Free Online Plagiarism Checker Websites

When it comes to blogging, plagiarism should always be avoided because, if you will publish any form of plagiarized content on your blog then Google will push down your blog in search results and you may lose a lot of traffic and credibility as well. The issue of plagiarized content is prominent in those blogs where guest posts are accepted. In order to avoid any such issue, you must check the submitted content for plagiarism. To help you with that, here I bring some of the best tools to check copied or plagiarized content.

Here are top 6 tools for checking plagiarism online for free.

1. DupliChecker

DupliChecker is a completely free tool for detecting plagiarism.

To check for plagiarism, you can either upload the Docx or Text file or you can submit the content in text box and hit search button, with in a couple of seconds results will be made available to you. It checks for each and every sentence of the content for plagiarism. This tool provides accurate results.

If you are not a registered user, you can search for maximum 3 times in a day. To uplift that limit, all you have to do is to register for a free account on DupliChecker.

Apart from plagiarism detection, DupliChecker provides a lot of other free services too, check them out here.

2. SmallSeoTools

SmallSeoTools provides a variety of features and plagiarism checker is one of those.

It is completely free to use and no sign up required. Just copy and paste the content to be checked for plagiarism in the text box, fill out captcha and hit the ‘check for plagiarism’ button. It will take a few minutes to complete the search but results will be satisfactory.

The word limit in a single search is 3000 words.

3. PlagScan

PlagScan is completely free to use and doesn’t require any sign-up. It allows content up to 1000 words or a Doc/Text/HTML file lesser than 300kB in size.

Just enter the content in text box or upload the file in any of the accepted format and check for plagiarism. It returns the search results instantly.

4. Plagiarism Detector

Plagiarism Detector lets you submit the content in the text box or upload in the form of a Doc file. The checking for plagiarized content is completely free and Sign up is optional.

The working of this tool is different from all other tools, It converts your content in to a number of sentences such that each sentence’s word count is with in the searchable limits of Google and when you click on the option ‘Check Results’ opposite to any sentence, It will return the Google search result for the same sentence. Hence, you’ll know whether that sentence is spinner or copied from some already existing resource or not.

The tools mentioned above are completely free and there is no daily limit on these tools. You can use them as many times as you want. Hence, these tools act as good copyscape alternatives.

Apart from the tools mentioned above, there are quite a few freemium tools too. They have a daily limit of free searches and to uplift the limit, you will have to opt for the paid options.

Here are some of these tools,

5. Plagium

Plagium allows one search a day for free. You can directly submit the content in the text box or upload the text file or enter a URL. Sign up is optional but If you sign up, It will keep a record of your previous plagiarism checks.

Plagium’s paid plan starts from 1 USD.

6. Plagiarisma

Plagiarisma allows three searches a day and supports more than 190 languages. But, the results returned by Plagiarisma are not satisfactory because It doesn’t look up for plagiarized content in Google.

To use Google as the default search engine for detecting plagiarized content and to lift up the daily limit, you will have to go with the paid option starting from 5 USD a month.


7.  The Plagiarism Checker

Plagiarism-Checker is simplest of all the tools mentioned in the list. You can either add the content in the content box (up to 1500 words limit) or upload the content in the form of doc format and hit ‘search’. With in a few seconds you will have the result showing whether the content is plagiarized or not and if it is copied from the somewhere, it will also show the source from where the content has been taken.

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I hope you find the post useful, If you have any suggestion or you want to ask anything, feel free to drop your comment below the post.


  1. I’m a student and this year was using Copyleaks to check my final papers. It helped me find any mistakes I made when it came to sources and made me feel confident before I submitted my work to my teachers.

  2. The past few months I’ve been using Copyleaks after trying many other plagiarism scans that just were not turning up the results I wanted. This has been great for the SEO results I need for companies I work with and write about their companies. I definitely suggest this for anyone who is writing content and wants to monitor analytics.

  3. 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.

  4. My favorite free plagiarism checker online remains SmallSeoTools. The tool is quite simple and easy to use and have never failed me as it carefully check every sentence for existence on the web and will even suggest the date of publication with link if such contents exists elsewhere.

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