As a writer or content creator, producing unique and original content is extremely important. Not only does duplicated or plagiarized content hurt your reputation and authority, but it can also negatively impact your search engine rankings and traffic.
In this article, we'll explore the top free plagiarism checkers to help ensure your content is unique. We'll look at both the capabilities of the free versions as well as the paid upgrades in case you need more advanced features.
Top 10 Free Plagiarism Checkers
1. Scribbr
Free Version Capabilities
Scribbr is a popular plagiarism checker, especially for students and academics. The free version allows you to check up to 1,000 words at a time for plagiarism by comparing against their database of academic papers and web content. It will highlight any duplicate content found and provide an overall percentage of plagiarism detected.
Paid Version Capabilities
The paid version of Scribbr, called Scribbr Premium, offers more advanced features like unlimited word count checks, PDF uploading, and access to an even larger plagiarism database. Pricing starts at $9.95/month.
2. Quetext
Free Version Capabilities
Quetext is another popular free plagiarism checker. The free version allows you to check up to 2,500 words at a time by comparing against over 10 billion web pages and academic databases. It provides an overall plagiarism score as well as highlighting any duplicate content found.
Paid Version Capabilities
Quetext Premium adds unlimited word count checks, PDF uploading, and access to an expanded plagiarism database. Pricing starts at $7.95/month.
3. Grammarly
Free Version Capabilities
Grammarly is a well-known free writing assistant tool. In addition to checking for grammar and spelling errors, the free version of Grammarly also checks for plagiarism by comparing your content against over 16 billion web pages. However, the free plagiarism check is very basic and will only provide an overall percentage, without highlighting duplicate content or sources.
Paid Version Capabilities
Grammarly Premium adds more advanced plagiarism checking features like checking against academic databases, providing duplicate content highlights and source links, and unlimited plagiarism checks. Pricing starts at $11.66/month.
4. Unicheck
Free Version Capabilities
Unicheck offers a free plagiarism checker that allows you to compare up to 200 words at a time against their database of academic papers and web content. It will provide an overall plagiarism percentage and highlight any duplicate sentences found.
Paid Version Capabilities
Unicheck Premium adds unlimited word count checks, PDF uploading, and access to an expanded plagiarism database. Pricing starts at $9.99/month.
5. Check-plagiarism.com
Capabilities
Check-plagiarism.com offers a free plagiarism checker that allows you to compare your content against over 70 billion web pages. It will check up to 1,000 words at a time and provide an overall plagiarism score along with highlights of any duplicate sentences found.
6. Plagiarism Detector
Capabilities
Plagiarism Detector is another free plagiarism checker. It allows you to compare up to 1,000 words at a time against over 60 billion web pages and academic databases. It provides an overall plagiarism percentage, highlights duplicate content, and links to possible source matches.
7. Pre Post SEO
Capabilities
Pre Post SEO is a free plagiarism checker focused on ensuring the uniqueness of web content. It allows you to compare up to 1,000 words at a time against over 60 billion web pages. It will provide an overall plagiarism score and highlight any duplicate sentences found.
8. Search Engine Reports
Capabilities
Search Engine Reports offers a free plagiarism checker as part of their suite of SEO tools. It allows you to compare up to 800 words at a time against over 70 billion web pages. It will provide an overall plagiarism percentage, highlight duplicate content sentences, and link to possible source matches.
9. Dupli Checker
Capabilities
Dupli Checker is a free plagiarism checker that allows you to compare your content against over 60 billion web pages. You can check up to 1,000 words at a time. It will provide an overall plagiarism percentage, highlight duplicate sentences, and link to possible source matches.
10. Small SEO Tools
Capabilities
Small SEO Tools offers a free plagiarism checker as part of their suite of content optimization tools. You can compare up to 1,000 words at a time against over 70 billion web pages. It will provide an overall plagiarism score, highlight duplicate sentences, and link to possible source matches.
How Plagiarism Checkers Work
Comparing Against Databases and The Internet
Plagiarism checkers work by comparing your content against massive databases of web pages, academic papers, and books. The top checkers scan billions of sources to identify duplicate and plagiarized content.
Ignoring Common Phrases
Accurate plagiarism checkers are able to filter out commonly used phrases and statements to avoid flagging those as duplicate content. They focus on identifying plagiarized sentences and longer word-for-word sections of text.
Identifying Complete Plagiarized Sentences and Sources
When plagiarized content is detected, the best plagiarism checkers will highlight the specific sentences that were duplicated and provide links to the possible original sources so you can review them.
Providing Accurate Results and Plagiarism Percentages
Plagiarism checkers will analyze your full content and provide an overall plagiarism percentage to indicate how much of your text was detected as duplicated from other sources. The most advanced checkers aim for maximum accuracy to avoid both false positives and false negatives.
Using a Plagiarism Checker
For Students and Academics
Checking Essays, Papers and Reports
Plagiarism checkers are particularly useful for students and academics to check essays, papers, and reports for plagiarized content before turning them in. They help ensure you've properly cited all sources and identified any accidental plagiarism.
For Website Owners and Content Creators
Ensuring Unique and Original Content
For those publishing content on the web, plagiarism checkers help guarantee your content is unique and original. This protects your reputation and authority, as well as your search engine rankings which can be hurt by duplicated content.
Maintaining High Search Engine Rankings
By checking for plagiarism before publishing content to your website, you avoid duplicating content that already exists elsewhere on the web. This helps search engines identify your content as unique and original so you can rank well in search results.
Building Authority and Trust
Publishing plagiarism-free, unique content helps establish
Building Authority and Trust
Publishing plagiarism-free, unique content helps establish your authority and build trust with your readers. Your audience will value your content more knowing that it provides real value through your original ideas, thoughts, and expertise.
Conclusion
Plagiarism should always be avoided, whether intentional or not, in order to establish your own authority and credibility. Using a plagiarism checker helps ensure your content is unique and protects you from accidentally duplicating the work of others.
For students and academics, plagiarism checkers are essential for properly citing sources and identifying any accidental plagiarism before turning in written assignments. For content creators and website owners, plagiarism checkers help produce unique content that will rank well in search engines and build trust with your audience.
With many high-quality free plagiarism checkers available, there's no excuse for not checking your work. Start using one today to establish yourself as an authority in your field and gain the trust of those who read your content.
