Is there any free software to check plagiarism?

In India we have Shodh Suddhi by govt for faculty members and research students providing access to plagiarism software free of cost, but for personal use PrePost SEO is a good website providing free plagiarism checks and other tools for researchers.

https://shodhshuddhi.inflibnet.ac.in/

https://www.prepostseo.com/plagiarism-checker

12 Best Free Plagiarism Checkers in 2022 | Tested & Reviewed

https://www.scribbr.com/plagiarism/best-free-plagiarism-checker/

Medhat Elsahookie

Yes there is, and very accurate !!.. Regards

Amayra Tannoubi

Generally, freeware is unreliable.

Nidhal Kamel Taha El-Omari

Dear respected colleagues,

Let me point to another critical issue related to plagiarism software-detectors. My friend was accused of plagiarism. Why?

After about five months, his promotion process to associate professor was rejected because of plagiarism. When he checked the promotion report, he found that one of his papers was accused of plagiarism and with a 100% percentage. The reason is that his manuscript was checked by his co-author using one of these checkers. It took him several months time of following up to solve the problem and removing the manuscript from their database. After that long period, he re-apply the promotion order for the second time.

Therefore, plagiarism software may retain a copy of the manuscript in its database. To state the truth, this is depending upon the settings and type of account subscription.

So, you may face a similar situation when you submit your manuscript after plagiarism checking to a journal. It may be rejected instantly because it would show up 100% similarity index.

To solve the problem, it may take several months time of following up and removing the manuscript from their database.

If there were accusations of plagiarism, it is not well for your reputation, in any meaning.

Chen Jingwen

https://smallseotoolz.net/plagiarism-checker

http://plagiarisma.net/#

https://searchenginereports.net/plagiarism-checker

Some free online plagiarism checkers here hope can help you.

Nidhal Kamel Taha El-Omari

Dear Prof. Mussarat Jabeen and all the respected RG colleagues,

This respected portal (i.e. RG) defines plagiarism as:

The term “plagiarism” has different meanings, but it usually includes copying somebody else’s work without permission.

On the other side, self-plagiarism is when the author republishes portions of his/her own previously written research work while authoring a new work.

I may be somewhat old-fashioned, but please have a look at the following golden principles on how to avoid plagiarism in academic writing, especially Self-Plagiarism:

Never use the "Copy-Paste" trend: Use your own words instead of copying the words of others. Needless to say that if you are using your own words, then there is no chance of plagiarism accusing.

Never repeat yourself: There are many re-published articles that are slightly or even considerably modified, and still not changed!

If you have co-authors, just trust your words!

If you use your own words, there should be no plagiarism issue. In turn, there is no need for the tools of plagiarism checking. Since there is no guarantee that the original content of your manuscript might not be copied and sold to others before it is published by you, I discourage using any free-software checkers for plagiarism; some of them are betrayers. Despite that offline ones are rare and if you are insisting to use anti-plagiarism software, offline checker programs are safer than online ones.

In some cases, you can paraphrase the sentences in the original document. But don't forget to write a reference.

You must always insist on honesty. Furthermore, you have to always remember that there should be a new added value.

You must always insist on doing real research, not "Wikipedia" research.

Do not put any of your research work anywhere until it is published and tagged with your name. Please wait until the paper is accepted and then published in that journal. Then, upload that research item on any platform you wish.

Despite that offline ones are rare and if you are insisting to use anti-plagiarism software, offline checker programs are safer than online ones.

In my opinion, most of the free-software-checkers for plagiarism don't work effectively. Unfortunately, you have to pay for the sake of getting good results.

Try to develop your own style for the text writing.

Try to read as much scientific literature as possible, especially in your own research field area.

A reminder for all respected researchers: In order to maintain research integrity, plagiarism (الاستلال) has to be given up. However, many people do not know whether they are committing plagiarism intentionally or unintentionally.

Finally, believe me, or not: If you make one plagiarizing, you may solve one problem and fall into many others where some of which may be described as a knockout. Again and again, please always remember that if there were accusations of plagiarism, it is not well for any researcher's reputation, in any meaning.

Nidhal Kamel Taha El-Omari

Prof. Mussarat Jabeen: My university, WISE, uses the TURNITIN plagiarism checker. The maximum allowed percentage of plagiarism should be commonly less than 20%. However, from the same reference, it should not exceed 5%.

We must completely understand that the plagiarism is never allowed and it is almost impossible to have 0% similarity.

On the other hand, this respected portal (i.e. RG) defines plagiarism as:

The term “plagiarism” has different meanings, but it usually includes copying somebody else’s work without permission.

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