Plagiarism is the act of copying someone else’s words or ideas without giving proper credit. It is a serious academic offense that can result in penalties such as failing grades, suspension, or even expulsion. Plagiarism can also damage your reputation as a writer and harm your career prospects.
To avoid plagiarism, you need to cite your sources correctly and use quotation marks when quoting directly from another author. You also need to check your work for plagiarism before submitting it to ensure that you have not unintentionally copied any content from the internet or other sources.
But how do you check your work for plagiarism? Many online tools can help you detect plagiarism in your writing. Some of them are free, while others require a subscription or a fee.
In this article, we will review some of the best free plagiarism checkers that you can use to scan your documents for originality and accuracy.
Why is plagiarism checking important?
Plagiarism checking is important for several reasons. First, it helps you avoid plagiarism and its consequences.
By using a plagiarism checker, you can identify any passages that are similar or identical to other sources and make sure that you have cited them properly. This way, you can avoid accidental plagiarism and demonstrate academic integrity.
Second, plagiarism checking helps you improve your writing skills. By using a plagiarism checker, you can learn how to paraphrase and summarize effectively, how to use your own voice and style, and how to avoid common errors such as grammar and spelling mistakes.
A free plagiarism checker can also help you enhance your vocabulary and creativity by suggesting synonyms and alternative expressions.
Third, plagiarism checking helps you ensure the quality and credibility of your work. By using a plagiarism checker, you can verify that your work is original and unique, that it does not contain any false or misleading information, and that it meets the standards and expectations of your audience.
A plagiarism checker can also help you avoid duplicate content issues and boost your SEO ranking.
Best free plagiarism-checking websites
There are many free plagiarism-checking websites available online, but not all of them are reliable and accurate. Some of them may have limited databases, outdated algorithms, or hidden fees.
To help you choose the best free plagiarism checker for your needs, we have compiled a list of 10 reputable and trustworthy websites that offer high-quality plagiarism detection services.
1. Grammarly
Grammarly is one of the most popular and widely used online writing tools that offer more than just plagiarism checking. Grammarly can also help you with grammar, spelling, punctuation, vocabulary, tone, clarity, and readability.
Grammarly’s plagiarism checker compares your text to over 16 billion web pages and academic papers stored in ProQuest’s databases. It gives you an overall similarity score and highlights the matching sources for each sentence.
You can also use Grammarly’s comparison feature to see how your text differs from the original source side by side. Grammarly’s plagiarism checker is free for up to 5 documents per month.
2. Scribbr
Scribbr is another powerful and comprehensive online writing tool that offers more than just plagiarism checking. Scribbr can also help you with citation generation, proofreading, editing, structure check, clarity check, word count reduction, and more.
Scribbr’s plagiarism checker is powered by Turnitin, a leader in plagiarism prevention. It compares your text to over 99 billion web pages and 8 million publications. It gives you an accurate similarity score and shows you the top 5 matching sources for each paragraph.
You can also use Scribbr’s comparison feature to see how your text matches the source word by word. Scribbr’s plagiarism checker is free for up to 1 document per day.
3. Copy Checker Plagiarism Checker
Copy Checker is a simple and easy-to-use online tool that offers a 100% free plagiarism checker service. This Plagiarism Checker compares your text to billions of web pages and academic papers across the internet.
It gives you a percentage of similarity and highlights the matching sources for each sentence. You can also use Copy Checker’s paraphrasing tool to rewrite any plagiarized content uniquely. Copy Checker Plagiarism Checker does not require any registration or payment.
4. Plagiarism Checker by SmallSEOTools
Plagiarism Checker by SmallSEOTools is another straightforward and user-friendly online tool that offers a free plagiarism checker service. Plagiarism Checker by SmallSEOTools compares your text to millions of web pages and academic papers across the internet.
It gives you a percentage of similarity and highlights the matching sources for each sentence. You can also use Plagiarism Checker by SmallSEOTools’s grammar checker tool to correct any grammatical errors in your text.
5. Duplichecker
Duplichecker is a versatile and multifunctional online tool that offers more than just plagiarism checking. Duplichecker can also help you with grammar check, spell check, word count, keyword density, paraphrasing, image editing, reverse image search, PDF tools, web management tools, and more.
Duplichecker’s plagiarism checker compares your text to billions of web pages and academic papers across the internet. It gives you a percentage of similarity and highlights the matching sources for each sentence.
You can also use Duplichecker’s paraphrasing tool to rewrite any plagiarized content uniquely. Duplichecker’s plagiarism checker is free for up to 50 documents per day.
6. Plagiarism Detector
Plagiarism Detector is a fast and accurate online tool that offers a free plagiarism checker service. Plagiarism Detector compares your text to billions of web pages and academic papers across the internet.
It gives you a percentage of similarity and highlights the matching sources for each sentence. You can also use Plagiarism Detector’s grammar check tool to correct any grammatical errors in your text. Plagiarism Detector does not require any registration or payment.
7. Plagiarisma
Plagiarisma is an advanced and sophisticated online tool that offers more than just plagiarism checking. Plagiarisma can also help you with article rewriter, grammar check, spell check, word counter, Google Scholar search, Google books search, Wikipedia search, and more.
Plagiarisma’s plagiarism checker compares your text to over 10 billion web pages and academic papers across the internet. It gives you a percentage of similarity and highlights the matching sources for each sentence.
You can also use Plagiarisma’s paraphrasing tool to rewrite any plagiarized content uniquely. Plagiarisma’s plagiarism checker is free for up to 3 documents per day.
8. Plagium
Plagium is an efficient and reliable online tool that offers a free plagiarism checker service with some limitations. Plagium compares your text to billions of web pages and academic papers across the internet. It gives you a percentage of similarity and highlights the matching sources for each sentence.
You can also use Plagium’s alert service to monitor any new content on the internet that matches your text. Plagium’s plagiarism checker is free for up to 5 documents per month with up to 1,000 characters per document.
9. Copyleaks
Copyleaks is an innovative and intelligent online tool that offers more than just plagiarism checking. Copyleaks can also help you with citations, paraphrasing, grammar assistance, similarity score, detailed reports, and more.
Copyleaks’ plagiarism checker uses artificial intelligence and machine learning to compare your text to over 60 trillion web pages and academic papers across the internet. It gives you an accurate similarity score and shows you the matching sources for each paragraph.
You can also use Copyleaks’ comparison feature to see how your text differs from the original source side by side. Copyleaks’ plagiarism checker is free for up to 20 documents per month with up to 2,500 words per document.
10. PlagScan
PlagScan is a professional and reputable online tool that offers more than just plagiarism checking. PlagScan can also help you with citation analysis, source analysis, report export, data security, and more.
PlagScan’s plagiarism checker compares your text to over 20 billion web pages and academic papers across the internet. It gives you a precise similarity score and shows you the matching sources for each paragraph.
You can also use PlagScan’s comparison feature to see how your text matches the original source word by word. PlagScan’s plagiarism checker is free for up to 2 documents per month with up to 2,000 words per document.
Conclusion
Plagiarism is a serious issue that can have negative consequences for your academic performance, your professional reputation, and your integrity. To avoid plagiarism, you need to cite your sources correctly and check your work for originality before submitting it.
Many free online tools can help you detect plagiarism in your writing, but not all of them are reliable and accurate. We have reviewed some of the best free plagiarism checker websites like Copy Checker Plagiarism Checker Free that offer high-quality plagiarism detection services.
