Best Plagiarism Checker Software in China
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Compare the Top Plagiarism Checker Software in China as of December 2025
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What is Plagiarism Checker Software in China?
Plagiarism checker software enables organizations to automatically check for plagiarism. Plagiarism checkers automatically compare written content to multiple databases of writing samples, as well as the open web, in order to detect plagiarized writing. Compare and read user reviews of the best Plagiarism Checker software in China currently available using the table below. This list is updated regularly.
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1
Semrush
Semrush
Semrush is an online visibility management and content marketing SaaS platform that ensures businesses get measurable results from online marketing. Our software helps companies of all sizes and industries to optimize their visibility across key channels and create engaging content for their users. Our data enables discovery of great growth opportunities, while workflow and tracking solutions help users run experiments continuously and more accurately measure results. Unveil your competitors’ marketing strategy and tactics. Analyze traffic of any website. Unveil competitor promotion strategies. Get ideas for growing your market share. Discover keyword & backlink gap. Discover how to reach more prospects while spending less. Find the best keywords for every PPC campaign. Monitor your competitor’s ad copies and landing pages. Optimize your Advertising spend (at a local level). Analyze Google Shopping ad campaigns. -
2
Grammarly
Grammarly
Compose bold, clear, mistake-free writing with Grammarly’s AI-powered writing assistant. Grammarly now organizes your writing feedback by theme, so you can see how each change will help your readers better understand your message. Get corrections from Grammarly while you write on Gmail, Twitter, LinkedIn, and all your other favorite sites. From grammar and spelling to style and tone, Grammarly helps you eliminate errors and find the perfect words to express yourself. Get started for free and find out what you can accomplish with the power of Grammarly at your fingertips. With Grammarly Business, every member of your team can compose credible, mistake-free writing that makes your business look good. Every email, web page, and social media post makes an impression on your customers. With Grammarly, you can be confident it's the right impression. High-quality writing is more than just mechanics. Grammarly Business goes deeper with real-time suggestions for improving readability.Starting Price: $12 per month -
3
Trinka AI
Trinka AI
Trinka AI is a privacy-focused grammar checker and writing assistant designed for academic and technical writing. Created by language and science experts, it detects and corrects various intricate writing errors such as contextual spelling mistakes and advanced grammar issues. Additionally, Trinka suggests improved vocabulary choices and offers real-time writing tips to help professionals and academics write clearly, formally, and engagingly. By adapting to different subjects, Trinka ensures that its corrections align with the specific nuances of each topic, maintaining high professional standards in writing.Starting Price: $6.67/user/month -
4
Originality.AI
Originality.AI
Your needs, as a serious web publisher, for a plagiarism checking and AI detection tool are unique. Yet, all the existing plagiarism checking tools are built with Academia in mind. Originality.AI is built by a team of content marketing and GPT-4 AI experts that deeply understands your needs and includes features like Team Management (no more sharing your login), Auto-Billing, Scan History by User and most importantly an AI Writing Detection tool. You can now have all your content scanned with a record of who scanned it, when it was scanned, if AI is suspected and if any plagiarism was found all saved for reference later. You will no longer need to rely on their promise that it is plagiarism free, original content or waste time scanning it yourself. With the team management function and activity history it puts you or your editor in firm control of your plagiarism checking.Starting Price: $0.01 per 100 words -
5
Smodin
Smodin
AI is uniquely positioned to remove some of the biggest learning roadblocks facing students and writers today: writer's block, information overload, and conceptual gaps. Smodin is a multilingual student-focused company using AI to address students’ largest learning challenges. Inspired by the biggest challenges students and writers face, Smodin’s mission to make writing as stress-free as possible. We at Smodin believe writing shouldn’t hold anyone back. Be it language, understanding, or low talent, writing should be an avenue where anyone can express themselves completely, unimpeded. Currently a team full of intellectual and ambitious developers and product-focused innovators. We are placed throughout the globe, largely in Islamabad, Pakistan. We make it our priority that everyone works on impactful projects they enjoy. The team is currently led by our developer CEO, and we've taken a strong technical and product-focused mindset for what we do.Starting Price: $8 per month -
6
StudyAgent
StudyAgent
StudyAgent is an AI-powered academic writing assistant designed to help students, researchers, and professionals write smarter and faster. It brings everything you need for academic success—structuring, writing, checking, and refining your work—into one integrated platform. Trained on billions of scholarly papers and research studies, StudyAgent generates content that is accurate, logical, and academically sound. Its tools include an AI Writer, plagiarism checker, AI detector, and paraphraser, all built specifically for academic use. Unlike generic writing platforms, StudyAgent adapts to your tone and field of study while maintaining originality and compliance with academic standards. With core features completely free during beta, StudyAgent turns the complex writing process into a simple, guided experience. -
7
PlagiarismSearch.com
PlagiarismSearch.com
PlagiarismSearch.com is a leading plagiarism checking website that will provide you with an accurate report during a short timeframe. Prior to submitting your home assignments, run them through our plagiarism checker to make sure your content is authentic. Due to a new multi-layer algorithm technology in our plagiarism search engine, no one will be able to accuse you of plagiarism, whether in your academic papers (essays, research papers, coursework etc.), articles, or blog posts. Being cost-effective, PlagiarismSearch.com offers excellent online plagiarism checker for almost everyone, therefore, now you can check your papers for plagiarism at any time using your computer or gadget and internet connection. It is not merely about the plagiarism detection; it is also about saving your time now and in future. Use our professional plagiarism checker to save your time and money. Enjoy affordable accuracy with PlagiarismSearch.com.Starting Price: $7.95 per submission -
8
ProWritingAid
Orpheus Technology
Companies using ProWritingAid produce higher quality content, comms, reports, bids and other documents with fewer mistakes, faster. ProWritingAid eliminates common error types, inconsistent terminology, contextual spelling errors, grammar mistakes, and poor writing style. A wide range of integration options, including API and on-premise solutions, supports all sizes of organization, including those with high-level security and privacy requirements.Starting Price: $79.00/year/user -
9
QuillBot
QuillBot
Your words matter, and our paraphrasing tool is designed to ensure you use the right ones. With 3 free modes and 4 premium modes to choose from, QuillBot’s paraphraser can rephrase any text in a variety of different ways, guaranteeing you find the perfect language, tone, and style for any occasion. Just enter your text into the input box, and our AI will work with you to build the best paraphrase from the original piece of writing. Use the Synonyms to change more (or less) of your writing. Click on any word in your writing to find the right synonyms and get your perfect word! QuillBot integrates directly into Google Docs and Chrome Extension. No more switching windows every time you want to Paraphrase text! No matter who you are or what you do, QuillBot has writing and research tools to support you in making your work come alive. -
10
Grammica
Grammica
To find grammar, spelling, punctuation, plagiarism, and syntax mistakes in your work, Grammica utilizes a highly sophisticated machine-learning algorithm. Your work is extensively examined in real-time by our English grammar checker. Our clever writing helper tool puts your content through a sophisticated algorithm that analyses the context of your writing to identify grammar mistakes. It shows a brief overview and the sort of fault it has found.Starting Price: $0 -
11
Copyscape
Indigo Stream Technologies
Copyscape's professional solutions provide more powerful plagiarism detection than the free service. They are used by webmasters and content owners worldwide to check the originality of new content, prevent duplicate content, and track down copies of content on the web. Copyscape Premium is the web's most powerful plagiarism detection service, ranked #1 by independent tests. Check the originality of new content by pasting the text directly into the search box or uploading a file. Perform unlimited scans for copies of your web pages. Other advanced features include Batch Search, Private Index to check for duplication within your own content, case tracking and follow-up, team management tools and an API. Copysentry protects your site against content theft by monitoring the web daily or weekly for copies of your content and sending you email when new copies appear. Copysentry's advanced features include case tracking and follow-up and a browser for viewing previous results.Starting Price: $4.95 per month -
12
Plagly
Plagly
Instantly compare your text to over 20 billion sources using our free checker tools. We've created the fastest and most accurate free plagiarism checker tool to help students, teachers, and SEO professionals easily and more efficiently detect plagiarism and duplicate content. Plagly's plagiarism checker compares your text to the entire internet and other databases by detecting plagiarized phrases and highlighting sections of content currently published online. Instantly check for grammar mistakes to improve efficiency for writing correct text and content. Eliminate structure and style mistakes by proofreading your articles or content online. Trusted by top colleges and universities the free plagiarism checker for students and teachers online allows students to scan academic papers, essays and assignments for plagiarized text. Plagly is changing the online writing world for plagiarism detection software by developing game changing detection technology. -
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Paraphraser.io
Paraphraser.io
The online paraphrase tool has numerous features including, rewriting essays, fixing plagiarism, and rewording articles. Our paraphrasing tool works best as a word changer and sentence rephraser. Paraphraser.io has the art of rephrasing the text on the human level. The final output will be readable, sensible, and plagiarism free. Our free paraphrasing tool is the most advanced AI rewriter based on NLP. It can paraphrase sentences and complete articles. Unlike other online paraphrasing tools, our AI-based paraphrasing tool maintains the original meaning while changing the sentence structure. Our Paraphrase tool generates more readable and grammatically correct content. It does not ruin the quality of the content after paraphrasing. Hence, our paraphrasing tool helps to improve your writing skills and provides you a different way to express your own words.Starting Price: $20 per month -
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StudyXY
StudyXY
StudyXY is an AI-powered study suite that helps students write better, learn faster, and boost grades. ✍️ AI Writer – Draft essays, research papers, and assignments with real citations. 🧮 AI Homework Helper – Step-by-step solutions for math, science, and more. 📄 Document Chat – Upload PDFs or notes and chat directly with them. 🧠 Flashcard Generator – Turn notes into smart flashcards. 📝 AI Test Prep – Create personalized quizzes and mock tests. 🔍 Plagiarism Checker and 🤖 AI Detector ensure originality and academic integrity. StudyXY is ad-free, privacy-focused, and available on Windows, Android, and Web. -
15
Codequiry
Codequiry
Find unoriginal code and software similarity with the most advanced plagiarism detection solution. Investigate potential copied code by highlighting similarities to billions of sources on the web or from submitted peers. Check the similarity of two or more source codes and view highlighted matches. Codequiry was built around source code detection, this means the results you get are meaningful and reliable. Submissions undergo rigorous checks (more) to ensure that code submissions are original. Put a stop to code copying from peers or the web. Codequiry looks beyond the cosmetics, finding similarities in logic patterns and unique style of code. Altering variables, whitespace, function names, comments, or many other cosmetic features will not affect overall similarity results. Our algorithm is constantly self-improving.Starting Price: $35 per month -
16
WRITER
WRITER
WRITER is an end-to-end platform for building, activating, and supervising AI agents across the enterprise. It empowers IT and business teams to collaboratively build agents that automate work, improve decision making, and drive business outcomes. With WRITER, teams get a home for their AI-powered work, while builders get intuitive development tools, seamless integrations, and full oversight via approval workflows, logs, and role‑based controls. Powered by WRITER’s Palmyra LLMs and Knowledge Graph, the platform powers accurate, reliable AI agents that meet strict security and compliance standards, including SOC 2 Type II, GDPR, HIPAA, PCI, and the ISO trust triad. With WRITER’s team of AI experts, we turn AI pilots into company‑wide wins for global leaders like Vanguard, Salesforce, Prudential, Qualcomm, and more.Starting Price: $29 per user/month -
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Check-Plagiarism
Check-Plagiarism
Check-Plagiarism provides a state-of-art plagiarism checker that helps you avoid plagiarism with robust algorithms. Our plagiarism checker checks your text against billions of web pages, Education databases, Online Resources & Online Libraries to provide accurate results. Check Plagiarism also offers an AI-based Paraphrasing Tool to strengthen your writing, a Text Summarizer, an Article Rewriter, etc.Starting Price: $4.99 per week -
18
PlagiaShield
PlagiaShield
Find all content thefts. Get rid of them. Rank better. Content Is King, right? High-quality, unique written posts are one of your best assets. The truth is, your articles are most probably not unique anymore. You would be surprised how quickly they got copied by dozens of websites. Your blog posts lost their value when they went from original to ordinary. Google likes original posts You might be okay with having your exact content copied hundreds of times. Google is not. It takes it into account when ranking pages. After each core SERP algorithm update, the first question you should ask yourself is: "Does the content provide original information, reporting, research or analysis?" (see the full Google note). Being copied is painful enough Fighting content thefts shouldn't be Your content is precious. And so is your time. PlagiaShield is the plagiarism checker that helps you get rid of all copycats in the most efficient way. In a few minutes, find the most fraudulent domains.Starting Price: $14.90 per user, per month -
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Noplag
Noplag
We help education establishments deal with academic integrity students to learn how to write original papers before they submit them to Turnitin. Upload your files and check new files against them for free. We detect synonyms, character replacement and paraphrased plagiarism. Grammar and spell checker, online editor, citation assistance, human proofreading. Noplag is one of the oldest, well-known and most trusted plagiarism detection services on the internet, which was established in 2014. Since then college students around the world, graduate and undergraduate students rely on Noplag Online Plagiarism Checker every day. Plagiarism checker in students’ life is a necessity nowadays, as it not only helps students prepare for the module, exam or complete homework writing assignment but also educate students, how to write custom papers, motivates students to keep up with the Academic Integrity and not cheating by copying classmates essay or research paper.Starting Price: $1 per paper -
20
Quetext
Quetext
With contextual analysis, word placement, and our smart algorithms, checking your writing has never been easier. Our software pairs speed with the accuracy of DeepSearch™ technology. We've helped more than 5 million students, teachers, and professionals identify potential plagiarism in their work. Find plagiarism with less stress with a click of a button and an easy, immersive experience. Our focus is simple - to promote ethical writing practices through originality and correct citation. We believe the most effective way to achieve that purpose is to provide intuitive technology that empowers writers to write authentic content they can feel confident about.Starting Price: $9.99 per user per month -
21
Copyleaks
Copyleaks
We’re a leading AI text analysis platform dedicated to empowering businesses and educational institutions as they navigate the ever-evolving landscape of genAI through responsible AI innovation, balancing technological advancement with integrity, transparency, and ethics. Since our founding in 2015, we’ve harnessed the power of AI to empower authenticity and originality. With an award-winning suite trusted by millions, we ensure AI governance and responsible AI adoption, safeguard IP, confirm copyright compliance, and maintain academic integrity with comprehensive content detection. Copyleaks, where technology meets integrity. The AI Grader By Copyleaks is a cutting-edge AI test grader that boosts efficiency, reduces errors, removes all bias, and accurately grades thousands of tests in minutes.Starting Price: $7.99 -
22
DupliChecker.com
DupliChecker
The DupliChecker.com team comprises of experts in different fields, all with the same primary focus: helping our clients generate greater business by use of online services. We offer a great number of differing SEO services, with the most popular ones being high-quality website content, proofreading, editing of online content, and SEO optimization and website ranking. Create magical content, better performing. Get positions in Google (Position 1-3) and drive more traffic, engagement, and leads. Academic proofreading of (theses, dissertations), fiction and non-fiction), medical documents, journals, essays, website content, and more. Time to look at data to find high-quality content. Start optimizing for engagement and you'll find huge content victories. Search engine optimization gets easier with the help of our 100% free tools to work on each factor. DupliChecker.com is yet another feather in our cap, and one of our proudest and most successful productions.Starting Price: $10 per month -
23
WriterZen
WriterZen
Establish domain expertise and drive organic footfalls on your website with high-quality content metrics unearthed straight from the Google database. Demonstrate your expertise with diverse topics that connect with your audience and fill any information gaps. Identify as a knowledge hub with contextually connected articles that stimulate search engine bots to scan the complete website. Shoot up the SERP ranks with topic secrets from your competitors. User insights extracted from ‘Google Suggest’ to identify questions or ideas of interest. In the next step, choose from billions of keywords mined directly from Google Keyword & Google Suggest Database to satisfy customer intent and enhance your credibility. Depend on Zen metrics to find keywords that your users are searching for and organize them according to SEO campaign stages. Proprietary technology to leverage Allintitle data to identify keywords with high conversion rates but low competition.Starting Price: $27 -
24
Paraphrase Tool
Paraphrase Tool
Your words and thoughts matter, and we’ve designed our paraphrase tool to ensure find the best words to match your expression. Just paste or start writing your text in our input box above, and our best-in-class AI will help you to generate the best paraphrases from your original writing. Who has time for writer’s block? Our Composer can help you write 10x faster by enabling you to create paragraphs from keywords instantly for articles, cover letters, essays, and more than 500 other types of writing in 100+ Languages. This way you can focus more on your final work rather than your first draft. None of us wants to accidentally plagiarize, especially when we spend so much time getting our ideas on paper and refining them. Be sure that your text is unique and 100% free of plagiarism by using our plagiarism checker for 50+ Languages.Starting Price: $4.99 per month -
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Multilings
Multilings
Multilings is a neural AI based machine learning service which gives the best human like output for text translation, content writing, plagiarism and voice translation etc. Best for Marketers, Content Writers, Researchers, Students and everyone. Is content writing your profession? Use our productive tools to write compelling content which is not just good for humans to read but also for search engines. If you are researching and writing on a subject, our highly useful productive tools may help you with plagiarism, good tone and mood-based writing and so on. Write effectively on any subjects, thesis, use our neural ai and machine learning based tools to help you write fresh content based on your audience, mood and level of simplicity. If you are a non-native speaker i.e. you speak a different language but work in a different language, our set of tools going to help you a lot to do your work on the other language you want.Starting Price: $9.99 per month -
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PaperTyper
PaperTyper
Our AI essay writer was solely developed for academic writing needs. So, our AI generator knows all the nuances of proper paper writing. Both grammar and plagiarism checkers provide comprehensive and detailed reports. You have a perfect chance to learn from your mistakes and edit your papers from the ground up. With our tools, you don’t need to spend several nights researching, writing several drafts, editing and checking a final text, and then citing it. Quickly find information about your topic to create a flawless academic paper of any kind. All students will agree that these useful tools will make the writing and editing process fast and as simple. No need to bother yourself with annoying homework tasks anymore – rely on the latest technologies now.Starting Price: Free -
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Detecting AI
Detecting AI
Discover unparalleled accuracy and ease with our AI checker, trusted by experts for superior AI content identification. Highlights each AI-written sentence, showing the percentage of AI used in the text visually. Engineered for unmatched precision, our AI checker accurately identifies AI-generated content efficiently. Designed for ease of use, our intuitive interface ensures a smooth, straightforward user experience. Begin identifying AI-generated content right away without any account setup. Your submissions stay confidential. We never store or share your data. Our ai checker provides comprehensive coverage of various AI models, enabling us to identify AI-generated content created by ChatGPT, Gemini, Jasper, Claude, and other similar models. We continuously train our system to detect new models like GPT4 automatically, ensuring that our AI detector stays up-to-date with the latest AI technology advancements.Starting Price: $5 per month -
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PapersOwl
PapersOwl
PapersOwl's free online plagiarism checker is an AI-powered tool designed to help students and writers ensure the originality of their work. It supports all common file formats and offers features such as deep search, real-time checking, and data safety. The tool provides a comprehensive report with a plagiarism percentage, highlighting any matched sources and offering links to the original content for easy comparison. Users can either copy and paste their text or upload files directly into the checker. The platform emphasizes the importance of proper citation to avoid plagiarism and offers additional services like rewriting, editing, and proofreading to enhance the uniqueness of the content. PapersOwl's checker is available 24/7, ensuring that users can verify their documents' originality at any time. Our simple tool makes it convenient to check any writing task without having to spend a dime. It works quickly and highly accurately, ensuring that you get the top grade you deserve.Starting Price: $8 per page -
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Getsolved.ai
Getsolved.ai
GetSolved.ai is an AI-powered homework-helper platform that allows students to type in questions or upload full assignments, including files or images, and receive detailed solutions, step-by-step explanations, and contextual reasoning across a wide range of subjects (from math and science to essays and economics). The system supports end-to-end workflows; you either paste a question or drag the document, the AI processes the content, and you receive annotated solutions along with optional access to live tutors for deeper review. The platform emphasizes guided learning, not just the final answer, by breaking down each task into comprehensible segments, detecting common errors, and helping users understand the process. With support for uploaded images, scanned homework, and mixed-format questions, it’s designed to save time for students, clarify difficult concepts, and improve confidence through clear explanations and hybrid AI-human support.Starting Price: $19.99 per month -
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PREPOSTSEO
PREPOSTSEO
By Developing 175+ online tools for students, writers and SEO experts, PREPOSTSEO is one of the top free tools websites. We provide best SEO solutions for webmasters. Our top tools are Plagiarism checker and Online Ping Website tool. There are 20+ Tools available at our website. You can use those tools totally free. You can also purchase premium Packages. Visitors can only use 30 Search queries and free users can enjoy 500 search queries per month. PrePost SEO plugin checks SEO score before publishing the post and helps to improve Web page SEO (Search Engine Optimization). Duplicate content harms a website SEO and ranking on search engines. Always make sure the article you are going to publish is a unique and plagiarism free. Check duplicate and plagiarized on one click. Sentence wise checking. Display results for each sentence. Ignore current url of your blog. You can also generate reports form website.Starting Price: $50 per year
