8 Best Plagiarism Checker For Free: Pick the Suitable One

Plagiarism is a key factor affecting the content's ranking and authenticity. Since originality is crucial to grab the audience's attention, you must check your content for plagiarism with a plagiarism tool before publishing or submitting it. Numerous plagiarism checkers claim to detect any plagiarized content in your writings, but not all of them are worth a try.

Being a content writer and tech reviewer, I have used various paid and free tools to check the originality of my content. So, based on my experience, I'll list the best plagiarism checkers that are free to use and are authentic. Moreover, I will mention each tool's pricing and pros & cons to help you choose the one that fits your needs.

What is the Best Plagiarism Checker?

I believe the best free plagiarism checker is Duplichecker, which has a higher success score than the other tool. Among the paid tools, I suggest you go for Scribbr or PlagScan.

How to Select the Right Plagiarism Checker?

The first thing that you must consider while choosing a plagiarism checker is the purpose of using it. For instance, if you are an educator, you will need a tool that can handle extensive scanning since you'll have to check dozens of papers. Next up, consider your budget. If you are low on budget, go for a free tool. Finally, look for a more reliable and trustable tool yourself.

8 Best Free Plagiarism Checkers

The following are the best free plagiarism checkers that detect the plagiarism in your content most accurately:

1. Scribbr – Well-known for Extensive Plagiarism Checking

Scribbr offers a suite of tools, including an academic proofreading module and APA style referencing features. The plagiarism checker is a part of this suite. Specifically appealing to students, teachers, and academic writers, it helps you write dissertations, essays, and summaries and check all the content for originality in one place.

Partnered with Tunitin, the Scribbr plagiarism checker detects everything from words and phrases to synonyms used in the plagiarized content. The database used to compare the content covers 91 billion web pages and 69 million publications. Moreover, it allows you to upload your own assignments or publications to check the new content for plagiarism.

Also Read: Scribbr Plagiarism Checker Review

Price

The pricing ranges from $20/14 EUR/$27 AUD to $40/35 EUR/$63 AUD per document.

Pros

• Accurate similarity percentage.

• Highlighted similarities with the source link.

• A side-by-side comparison with the original source.

• Self-plagiarism check by uploading your previous assignments and publications.

• Spelling and grammar checking on the go.

Cons

• A bit more expensive than the other similar tools.

• Curated explicitly for academic writing.

2. Turnitin – Widely used for Academic Writing

Another best plagiarism checker free specifically focused on academic writing is Turnitin. It is an extensive tool trusted by institutions worldwide for plagiarism and AI detection. It scans millions of sources to give an accurate plagiarism score.

It has a vast database of Internet documents, internet data, students' previously submitted papers, journals, publications, and much more. With its advanced algorithms, it helps teachers ensure that their students submit original work instead of copying and pasting it from different sources.

Also Read: Turnitin AI Detector Review

Price

The price of Turnitin is based on the custom solutions a user needs, so you have to contact sales to get a tailored quote.

Pros

• Accurate plagiarism detection

• Highly trusted in academic circles.

• Comprehensive similarity reports.

• Easy integration with different educational platforms.

Cons

• Quite expensive for individual users.

• Identifies common phrases and words as plagiarism.

• Generated reports can be challenging to comprehend for beginners.

3. Duplichecker

This is my personal favorite due to its ease of use, highly intuitive interface, and accuracy. Duplichecker quickly detects duplicated content by scanning and searching millions of sources.

It looks for copied sentences, phrases, and paragraphs and provides you with the URLs with similar content. It allows you to upload multiple file types, including but not limited to txt, docx, and PDF.

Price

Duplichecker allows you to scan your documents for plagiarism free of cost unless you opt-in for its pro version, which costs you between $10 to $20.

Pros

• Totally free.

• Copy/paste content.

• Upload documents in multiple formats.

• URL check.

• 100% detection score.

Cons

• It shows generic error messages, which makes it difficult to understand the issue.

4. Unicheck – Ideal for Large Enterprises

If I had to choose the best plagiarism checker for medical articles and academic writings, I would choose Unicheck, used by 1000+ institutes worldwide. With access to 91 billion pages and library files, it ensures to detect any plagiarism in the content. The report is quite comprehensive, with a plagiarism score and colour-coded sources with a percentage of the copied content.

Also Read: Unicheck Plagiarism Checker

Price

It has a free version and a personal business plan starting at $15/month.

Pros

• Integration to LMS.

• 24/7 customer support

• Accessibility features.

• COPPA, GDPR, and FERPA compliant.

• Google Docs Add-on.

Cons

• Quite expensive for individual users.

• Slow processing for large documents.

5. Quetext – Advanced Plagiarism Checking

Quetext employs a system called DeepSearch to look for word placements with the help of deep learning and contextual analysis. This helps Quetext to generate more accurate, innovative, and sensible plagiarism detection reports.

It can be used for academic writing, articles, blogs, and web pages. It uses a color coding scheme to highlight the level of duplication of the source content. Moreover, you can check the source and the copied content side-by-side.

Price

Starting from $0 per month for its free package, the service costs $15.99 for individual users and $14.99 per month for large enterprises and organizations.

Pros

• Uses color codes to highlight the similarities.

• Contextual analysis.

• Fuzzy matching.

• Spelling and grammar checking.

• Incorporates DeepSearch technology.

• Affordable pricing.

• Suitable for everyone with original content needs.

Cons

• Limited features

• Sometimes, it fails to detect the plagiarism.

6. PlagScan – Best Suited for Straightforward Plagiarism Checking

One of the best plagiarism checkers that is well-suited for academic writing is PlagScan. It generates pretty accurate plagiarism reports except for the occasional inaccuracies. It finds the similarities and color codes them with the source so you can easily check and identify the plagiarism.

Although it identifies human support as the best way of finding plagiarism, it would be difficult and time-consuming without a tool like PlagScan.

Price

The PlagScan has ended its private plans for individual users.

Pros

• Mentions the sources of the plagiarized content.

• Plagiarism prevention pool.

• Color-coded reporting system.

• Intuitive interface.

• Side-by-side comparison with the sources.

Cons

• Processes documents a bit slowly.

• Private plans are not available.

7. Plagramme – A Plagiarism Checker with Extended Features

Plagramme is the best free plagiarism checker that not only compares your content with a huge database but also points out plagiarism risks, paraphrased sections, poor citations, and flags textual similarities. It uses a straightforward scoring system so you can easily comprehend it and change the plagiarized sections.

This platform can detect plagiarism in multiple languages. Moreover, it offers an exclusive service where its own editors check and fix your content manually. Although a bit costly, it is totally worth it if you have a crucial document that must be perfect in all senses. If you still wonder what is the best plagiarism checker for students, Plagramme is the answer!

Price

Plagramme offers a Student package with multiple pricing plans starting from EUR 1.50 per document and an Educator package with a free plan.

Pros

• A huge database of scholarly articles.

• Support for 129 languages.

• Completely free for educators.

• Detects all types of plagiarism.

• A flawless scoring system.

• Links to the detected sources.

Cons

• Not well-suited for large organizations.

• Primarily focused on academic writing.

• A bit costly compared to other similar tools.

8. CopyScape – A Reliable Plagiarism Detector

I found CopyScape worth mentioning as a reliable and renowned plagiarism detector that uses Google to search for sources. With its robust algorithms, it searches the web, comparing your content against billions of resources over the internet. A huge community trusts CopyScape as an accurate and reliable plagiarism detection tool.

Also Read: Copyscape Plagiarism Checker Review

Pricing

CopyScape offers a free version and 3 pricing plans, from 3 cents per search (up to 200 words) to $19.95 monthly for 10 pages.

Pros

• Allows you to upload PDFs or .docx files.

• Integrates with WordPress.

• Free plagiarism warning banners.

• Competitive pricing.

• Easy to use.

Cons

• Limited features in the free version.

• Fails to detect plagiarism occasionally.

Tips: How to Make AI Generated Content Bypass AI Detection?

The AI-generated content can be free from plagiarism but can be detected by AI detection tools. If you want to ensure your content remains undetectable, use Tenorshare AI Bypass to humanize it.

Tenorshare AI Bypass is a versatile tool that helps you bypass the AI detection tools without changing the content manually. You can simply copy the AI content into the Tenorshare, and it will automatically rephrase it so it looks human-written. The best part is that it does not use random words or grammar or spelling mistakes to humanize the content. The text is completely sensible and fits the context.

FAQs

1. Is Turnitin better than Grammarly for plagiarism checking?

Since Grammarly is primarily designed to detect and correct grammatical inconsistencies, Turnitin is obviously a better plagiarism checker, especially for academic applications.

2. Can ChatGPT do a plagiarism check?

No, ChatGPT cannot do a plagiarism check like specialized tools. However, it can identify similarities among content by analyzing text and identifying patterns.

3. Is Grammarly plagiarism checker legit?

Yes, Grammarly plagiarism checker is legit and dependable if there's no strict requirement for plagiarism-free content. However, you must use a more specialized tool for more accurate and detailed plagiarism reports.

Conclusion

Hundreds of plagiarism detectors are available in the market for you to check for content duplication. However, not all of those are reliable enough. So, I have mentioned the 8 best plagiarism checkers for students, teachers and general applications. Out of all the tools, I like Duplichecker the best in all aspects. Besides, I have also suggested the best AI humanization tool that prevents your content from being detected by plagiarism detectors and makes it undetectable AI content.