# Top Free Plagiarism Checker Software Check out our list of free Plagiarism Checker Software. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features. If you'd like to see more products and to evaluate additional feature options, compare all [Plagiarism Checker Software](https://www.g2.com/categories/plagiarism-checker) to ensure you get the right product. ## View Free Plagiarism Checker Software G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our [scoring methodologies](https://research.g2.com/g2-scoring-methodologies). **14** Plagiarism Checker Products Available View all [Plagiarism Checker Software](https://www.g2.com/categories/plagiarism-checker) View all [Plagiarism Checker Software](https://www.g2.com/categories/plagiarism-checker) [ ### Grammarly ](https://www.g2.com/products/grammarly/reviews) [By Superhuman](https://www.g2.com/sellers/superhuman-888da3d1-51f7-4603-8d73-08989f8a7db1) [ (13,685)4.7 out of 5 ](https://www.g2.com/products/grammarly/reviews#reviews "Read Grammarly Reviews") Product Description Grammarly is the trusted AI assistant for communication, helping individuals and teams write clearly, confidently, and consistently across any task and workflow. From daily emails to high-stakes repor **Users:** Student, Owner · **Industries:** Non-Profit Organization Management, Information Technology and Services · **Market Segment:** 52% Small-Business, 33% Mid-Market Grammarly features and usability ratings that predict user satisfaction 9.0 Quality of Support Average: 8.5 9.3 Ease of Use Average: 9.2 ![Peter C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Peter C.") PC I really like that it's super fast to fix my errors, so I can keep my ideas flowing and finish what I need to write. The interface is super...[Read review](https://www.g2.com/products/grammarly/reviews/grammarly-review-12853219) ![Petra H.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Petra H.") PH It corrects mistakes typos one may not be aware of.[Read review](https://www.g2.com/products/grammarly/reviews/grammarly-review-12864105) HQ Location San Francisco, California Company Website https://superhuman.com/ LinkedIn® Page https://www.linkedin.com/company/superhumanhq/ [ ### PlagiarismCheck.org ](https://www.g2.com/products/plagiarismcheck-org/reviews) [By Teaching Writing Online Limited](https://www.g2.com/sellers/teaching-writing-online-limited) [ (44)4.8 out of 5 ](https://www.g2.com/products/plagiarismcheck-org/reviews#reviews "Read PlagiarismCheck.org Reviews") Product Description What is PlagiarismCheck.org? PlagiarismCheck.org is a reliable and easy-to-use advanced similarity and AI-checking tool that makes learning better and more honest by detecting similarities and chat **Industries:** Information Technology and Services, Marketing and Advertising · **Market Segment:** 50% Small-Business, 45% Mid-Market PlagiarismCheck.org features and usability ratings that predict user satisfaction 9.7 Quality of Support Average: 8.5 9.6 Ease of Use Average: 9.2 VL We order the content for our blog and social channels, and it’s important for us to check the quality of the texts. Also, our PR team checks press...[Read review](https://www.g2.com/products/plagiarismcheck-org/reviews/plagiarismcheck-org-review-8494347) ![Darina I.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Darina I.") DI At my work, I use their TraceGPT Chrome Extension to check the originality of the texts of the candidates. The check is fast and can be done right...[Read review](https://www.g2.com/products/plagiarismcheck-org/reviews/plagiarismcheck-org-review-8806170) Year Founded 2015 HQ Location Bromley, GB Company Website https://plagiarismcheck.org Twitter @plagiarismisbad LinkedIn® Page https://www.linkedin.com/company/plagiarismcheck.org/ [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) [ ### WriterZen ](https://www.g2.com/products/writerzen/reviews) [By WriterZen ( Formerly Resonance Technology)](https://www.g2.com/sellers/writerzen-formerly-resonance-technology) [ (201)4.7 out of 5 ](https://www.g2.com/products/writerzen/reviews#reviews "Read WriterZen Reviews") Product Description The pioneer content SEO toolset that simplifies your content lifecycle from creation to conversion, explicitly tailored for any SEO expertise level. WriterZen stands out from its competitors by help **Users:** Founder, Owner · **Industries:** Marketing and Advertising, Information Technology and Services · **Market Segment:** 93% Small-Business, 2% Mid-Market WriterZen features and usability ratings that predict user satisfaction 9.1 Quality of Support Average: 8.5 9.0 Ease of Use Average: 9.2 ![Simon M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Simon M.") SM I like how the comprehensive toolset is arranged with an understanding of the full SEO content writing workflow to ensure maximum chances of...[Read review](https://www.g2.com/products/writerzen/reviews/writerzen-review-5465149) ![Ratchanon C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Ratchanon C.") RC WriterZen help me to organize a lot of content. It's a very useful tool for keyword research and content creation. Pros Helping to create...[Read review](https://www.g2.com/products/writerzen/reviews/writerzen-review-6568371) Year Founded 2021 HQ Location Singapore, SG Company Website https://writerzen.net/ LinkedIn® Page https://www.linkedin.com/company/writerzen/ [ ### Copyscape ](https://www.g2.com/products/copyscape/reviews) [By Copyscape](https://www.g2.com/sellers/copyscape) [ (27)4.4 out of 5 ](https://www.g2.com/products/copyscape/reviews#reviews "Read Copyscape Reviews") Product Description Copyscape is the world's most trusted plagiarism checker. Try Copyscape for free at copyscape.com. For over two decades, companies worldwide have trusted Copyscape as the industry standard for ent **Industries:** Information Technology and Services, Marketing and Advertising · **Market Segment:** 78% Small-Business, 15% Mid-Market Copyscape features and usability ratings that predict user satisfaction 8.3 Quality of Support Average: 8.5 9.2 Ease of Use Average: 9.2 ![Peter m.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Peter m.") PM Copyscape is accurate and fast. When you hit go, it takes a matter of seconds for you to get the results. If there is copy-pasted content in your...[Read review](https://www.g2.com/products/copyscape/reviews/copyscape-review-3019843) ![Nadeem Ul Haq M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Nadeem Ul Haq M.") NM One of the best online tools for checking plagiarism content,I have been using it for about a year and I found it accurate and easy to use. Just...[Read review](https://www.g2.com/products/copyscape/reviews/copyscape-review-5200793) Year Founded 2003 HQ Location N/A Company Website https://www.copyscape.com/ Twitter @Copyscape LinkedIn® Page https://www.linkedin.com/company/2865921/ [ ### ProWritingAid ](https://www.g2.com/products/prowritingaid/reviews) [By ProWritingAid](https://www.g2.com/sellers/prowritingaid) [ (48)4.5 out of 5 ](https://www.g2.com/products/prowritingaid/reviews#reviews "Read ProWritingAid Reviews") Product Description Companies using ProWritingAid produce higher quality content with fewer mistakes, faster. ProWritingAid eliminates common error types, inconsistent terminology, contextual spelling errors, grammar mis **Industries:** Writing and Editing, Marketing and Advertising · **Market Segment:** 56% Small-Business, 40% Mid-Market ProWritingAid features and usability ratings that predict user satisfaction 8.4 Quality of Support Average: 8.5 8.9 Ease of Use Average: 9.2 MQ ProWritingAid is such a simple application to use, either on its own or as an app extension. It's almost like something that works automatically to...[Read review](https://www.g2.com/products/prowritingaid/reviews/prowritingaid-review-3380343) ![Stephen H.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Stephen H.") SH For a little context, I'm an author, so I'm very picky about the things I use to help make my writing as good as it can be. I was sold out for...[Read review](https://www.g2.com/products/prowritingaid/reviews/prowritingaid-review-4320858) Year Founded 2012 HQ Location Dusseldorf, NRW Company Website https://prowritingaid.com Twitter @ProWritingAid LinkedIn® Page https://www.linkedin.com/company/5047128/ [ ### Quetext ](https://www.g2.com/products/quetext/reviews) [By Quetext](https://www.g2.com/sellers/quetext) [ (13)4.7 out of 5 ](https://www.g2.com/products/quetext/reviews#reviews "Read Quetext Reviews") Product Description Quetext is an advanced writing assistant and plagiarism checker designed for students, teachers, professionals, and content creators. It helps users ensure their writing is original by detecting copie **Market Segment:** 69% Small-Business, 23% Mid-Market Quetext features and usability ratings that predict user satisfaction 8.3 Quality of Support Average: 8.5 9.3 Ease of Use Average: 9.2 ![Akash J.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Akash J.") AJ It helps my business write applications or any marketing content without any errors: grammar, punctuation, plagiarism, styles, and text review....[Read review](https://www.g2.com/products/quetext/reviews/quetext-review-5276434) ![Sara E.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sara E.") SE Quetext is a tool that allows spell checking and plagiarism detection with detailed information about copied content to improve the performance of...[Read review](https://www.g2.com/products/quetext/reviews/quetext-review-5296655) Year Founded 2016 HQ Location Kansas City, MO Company Website https://www.quetext.com/ LinkedIn® Page https://www.linkedin.com/company/quetext/ [ ### Trinka ](https://www.g2.com/products/trinka/reviews) [By Crimson AI](https://www.g2.com/sellers/crimson-ai) [ (17)3.9 out of 5 ](https://www.g2.com/products/trinka/reviews#reviews "Read Trinka Reviews") Product Description Trinka is an AI-powered, privacy-focused grammar checker and language enhancement writing assistant designed for academic and technical writing. Trinka helps professionals and academics ensure form **Market Segment:** 41% Enterprise, 35% Small-Business Trinka features and usability ratings that predict user satisfaction 7.3 Quality of Support Average: 8.5 8.1 Ease of Use Average: 9.2 ET Very fast in spelling checking, familiar and easy interface, no need to use other third party software[Read review](https://www.g2.com/products/trinka/reviews/trinka-review-5051639) ![Verified User in Education Management](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Education Management") CE The grammar checker function is really cool, and it allows you to write confidently.[Read review](https://www.g2.com/products/trinka/reviews/trinka-review-5060747) Year Founded 2020 HQ Location Mumbai, Maharashtra Company Website https://www.trinka.ai Twitter @thetrinkaai LinkedIn® Page https://www.linkedin.com/company/thetrinkaai [ ### CheckForPlag ](https://www.g2.com/products/checkforplag/reviews) [By CheckForPlag](https://www.g2.com/sellers/checkforplag) [ (2)4.5 out of 5 ](https://www.g2.com/products/checkforplag/reviews#reviews "Read CheckForPlag Reviews") Product Description CheckForPlag is a Anti Plagiarism Detection Software which is Available in Multiple Regional languages such as Hindi, Urdu, Tamil and more. **Market Segment:** 100% Small-Business CheckForPlag features and usability ratings that predict user satisfaction 8.3 Quality of Support Average: 8.5 9.2 Ease of Use Average: 9.2 ![Prashant P.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Prashant P.") PP After using the plagchecker I could say its accuracy is very close to 90% in detecting plagrism in written content mixed with AI generated lines. I...[Read review](https://www.g2.com/products/checkforplag/reviews/checkforplag-review-10405006) ![Verified User in Writing and Editing](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Writing and Editing") UW It's real time detailed report and easy to navigate interface makes it good tool for plagiarism check.[Read review](https://www.g2.com/products/checkforplag/reviews/checkforplag-review-10500057) Year Founded 2015 HQ Location New Delhi, IN Company Website https://www.checkforplag.com LinkedIn® Page https://www.linkedin.com/company/checkforplag [ ### Advacheck ](https://www.g2.com/products/advacheck/reviews) [By Advacheck](https://www.g2.com/sellers/advacheck) [ 0 ratings ](https://www.g2.com/products/advacheck/reviews#reviews "Read Advacheck Reviews") Product Description Advacheck is a comprehensive plagiarism detection solution designed to identify both text and image similarities in academic and research documents. Trusted by educational institutions, corporate prof Advacheck features and usability ratings that predict user satisfaction 0.0 No information available 0.0 No information available HQ Location Tallinn, EE Company Website https://advacheck.com LinkedIn® Page http://www.linkedin.com/company/advacheck [ ### CopyChecker ](https://www.g2.com/products/copychecker/reviews) [By CopyChecker](https://www.g2.com/sellers/copychecker) [ 0 ratings ](https://www.g2.com/products/copychecker/reviews#reviews "Read CopyChecker Reviews") Product Description CopyChecker is a free online SEO tool that provides various services such as plagiarism checking, grammar checking, text comparison (diff checker), AI reverse image search, reverse image search, small CopyChecker features and usability ratings that predict user satisfaction 0.0 No information available 0.0 No information available HQ Location N/A Company Website https://copychecker.com/ LinkedIn® Page https://www.linkedin.com/company/copychecker/ [ ### Inspera ](https://www.g2.com/products/inspera/reviews) [By Inspera AS](https://www.g2.com/sellers/inspera-as) [ (1)0.0 out of 5 ](https://www.g2.com/products/inspera/reviews#reviews "Read Inspera Reviews") Product Description Get your institution moving faster, more efficiently and improve student experience with an end-to-end digital assessment ecosystem that integrates with your learning management system. Since 1999, I **Market Segment:** 100% Mid-Market Inspera features and usability ratings that predict user satisfaction 0.0 No information available 0.0 No information available SK Creating exams with Inspera is a breeze aswell as grading and It's integration with Chromebooks is awesome. I used it often and higly recommend it.[Read review](https://www.g2.com/products/inspera/reviews/inspera-review-10405726) Year Founded 1999 HQ Location Oslo, NO Company Website https://www.inspera.com/ LinkedIn® Page https://www.linkedin.com/company/inspera [ ### PlagiarismRemover.AI ](https://www.g2.com/products/plagiarismremover-ai/reviews) [By PlagiarismRemover.AI](https://www.g2.com/sellers/plagiarismremover-ai) [ 0 ratings ](https://www.g2.com/products/plagiarismremover-ai/reviews#reviews "Read PlagiarismRemover.AI Reviews") Product Description PlagiarismRemover.AI is a professional plagiarism remover designed to help users remove plagiarism from text quickly and accurately. It goes beyond basic detection by actively processing content to en PlagiarismRemover.AI features and usability ratings that predict user satisfaction 0.0 No information available 0.0 No information available Year Founded 2025 HQ Location N/A Company Website https://plagiarismremover.ai LinkedIn® Page https://www.linkedin.com/company/plagiarismremover-ai/ [ ### Plagly ](https://www.g2.com/products/plagly/reviews) [By Plagly](https://www.g2.com/sellers/plagly) [ (1)0.0 out of 5 ](https://www.g2.com/products/plagly/reviews#reviews "Read Plagly Reviews") Product Description Plagly.ai is an AI content detector and plagiarism checker with sentence-level confidence scoring. Detects output from ChatGPT, GPT-5.5, Claude 4.6, Gemini 3.1, and LLaMA 4 with 99% accuracy and a < **Market Segment:** 100% Small-Business Plagly features and usability ratings that predict user satisfaction 0.0 No information available 0.0 No information available RK Plagly provide a solution for easy to use with a fast and simple implementation process. With its wide number of features and ease of integration...[Read review](https://www.g2.com/products/plagly/reviews/plagly-review-10412184) HQ Location Daas, TX Company Website https://plagly.com/ LinkedIn® Page https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps [ ### Smodin ](https://www.g2.com/products/smodin-smodin/reviews) [By Smodin](https://www.g2.com/sellers/smodin) [ (7)4.7 out of 5 ](https://www.g2.com/products/smodin-smodin/reviews#reviews "Read Smodin Reviews") Product Description Smodin is your AI-powered writing assistant designed to help you write better, faster, and smarter. From essays and research papers to rewrites and citations, Smodin gives you the tools to get from id **Market Segment:** 57% Mid-Market, 43% Small-Business Smodin features and usability ratings that predict user satisfaction 10.0 Quality of Support Average: 8.5 10.0 Ease of Use Average: 9.2 OE I have used it to paraphrase some texts that I produce on other AI platforms and it does it perfectly. It gives the text a greater fluency and it...[Read review](https://www.g2.com/products/smodin-smodin/reviews/smodin-review-9200205) ![Kishan S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Kishan S.") KS Smodin is an easy to use AI tool offering a wide range of features like AI content detection, article rewriting, translator, Chat APIs and more.[Read review](https://www.g2.com/products/smodin-smodin/reviews/smodin-review-9618909) Year Founded 2017 HQ Location Casper, US Company Website https://www.smodin.io Twitter @Smodin\_io LinkedIn® Page https://www.linkedin.com/company/smodin