Fast and accurate online plagiarism checker to help you write original content. Get detailed plagiarism percentage reports, sources, and write with confidence.



Our plagiarism checker goes beyond just spotting exact matches in your text. We leverage a massive global database of academic journals, blogs, student submissions, websites, and AI-generated content to find content similarity.
Our online plagiarism checker gathers all the sources whose content matches yours and neatly presents the links for you. This means you don’t just get vague results, you’ll know exactly where the matches come from.
Our system searches billions of web pages, academic publications, and online databases for the most comprehensive and best plagiarism scan available online.
Get actionable plagiarism reports with our original content checker. We don’t just give you basic reports. You get exact duplicate content and unique content percentages.
This free plagiarism checker also provides important insights about your document. You can see the word count, character count, phrase lengths, and more.
We built our plagiarism detector for all kinds of users and writers. You can check essays, academic papers and more seamlessly. Our duplicate content checking algorithm runs a thorough deep check across the web to find all instances of plagiarism.
Features an intuitive and easy-to-navigate interface, making it accessible for users with varying levels of technical expertise.
All your uploaded content and documents are never stored in our servers or shared with others. So, you can check your essays, assignments, and professional documents for plagiarism without any privacy concerns.
A powerful online plagiarism checker that gives you all the features you need without having to download and tediously install any app! All you need is a browser and a working internet connection.
According to Wikipedia,
“...plagiarism is the representation of another author's language, thoughts, ideas, or expressions as one's own original work...”
Plagiarism in text content refers to the unethical act of copying or closely imitating another person's written work, such as words, phrases, or ideas. Paraphrased content is presented as original work without giving proper credit.
This violation undermines intellectual integrity and can occur through direct copying, improper paraphrasing, or self-plagiarism (reusing your own published text without citation).
Whether intentional or accidental, plagiarism undermines originality and credibility, making it essential to understand and address.
Plagiarism is an unethical practice. The consequences of plagiarism can be severe, impacting personal, academic, and professional lives.
Safeguarding against plagiarism is essential for maintaining credibility, protecting intellectual property, and fostering authentic creativity.
Using our plagiarism checker, you can ensure content authenticity and avoid penalties.
Get actionable plagiarism reports with our duplicate content detector, along with plagiarism percentages and source links.
See exactly how much of your text matches existing content online. The lower the number the better.
Additionally, get direct links to matching sources so you can review and cite them properly. This is crucial for lowering your plagiarism score.
Original writing builds credibility and trust. Our online plagiarism detector enables you to write original content with ease.
Whether it’s academic institutions, business clients, or the readers of your blog, they all want original work. Producing original content creates new value. Not to mention it’s a must for academic integrity.
Stand out as a reliable and ethical writer who delivers value through originality.
Your audience is more likely to trust and engage with meaningful work that is proven to be plagiarism-free.
Plagiarism can result in academic penalties, legal disputes, and loss of credibility. Checking your work before submission protects you from these risks.
Stay safe and maintain academic integrity policies and avoid grade deductions or expulsions. With advanced tools like this originality checker, ensuring your writing is original is a matter of minutes.
For businesses, original content reinforces brand trust and authority in your industry.
Search engines prioritize unique content. Plagiarized or duplicate text can lead to ranking drops and reduced visibility online.
Original work signals value to search algorithms, helping you rank higher in search results.
You also minimize the risk of SEO penalties by eliminating copied or near-duplicate text.
Creating original content helps you develop critical thinking skills and strengthens your ability to express new ideas. A plagiarism content checker enables you to turn in high quality work.
Learning to express your ideas in words is a great exercise to improve your writing skills. If you are strict in never plagiarizing, you will train yourself to write in your own voice and tone.
Whether you write in English, Spanish, or any other major language, CopyChecker’s multilingual plagiarism checker supports native plagiarism checking in multiple languages.
Scan your essays, research papers, blogs, and professional documents for plagiarism for free in multiple languages easily with this AI plagiarism detector.
Whatever you write, CopyChecker helps ensure it’s authentic, plagiarism-free, and ready to make the right impression.
Maintain your credibility by delivering unique manuscripts, articles, and creative content.
Check plagiarism in your research papers, thesis, essays, and assignments. You can use this tool like an academic paper checker. It’s online and completely free for up to 1,000 words.
Use our duplicate checker to grade student assignments, essays, and to check papers. Just upload their work into our tool and voila! Instant originality score. Long gone are the days of painstakingly ensuring your students are submitting their own work.
Protect business reports, proposals, and marketing materials from accidental plagiarism.
Publish accurate, plagiarism free news articles and investigative pieces. The last thing you want to find out is that most of your content matches another publication.
Keep blog posts, social media content, and digital publications authentic and engaging.
Check essays, dissertations, and research projects against billions of online and academic sources.
Ensure published work remains free of plagiarism over time by re-checking your content.
Catch accidental similarities before you submit, ensuring complete originality with our duplicate content checker.
Plagiarism is easiest to avoid when you build your draft around your own idea. An original piece of work starts with an original idea. However, no matter how original your idea is, you will refer to existing material.
Start by reading your sources. Then step away and note down what you learned from them. Take detailed notes and write your piece from your notes.
This helps you keep a natural voice and prevents accidental and paraphrased plagiarism. Another crucial thing to remember is to always cite your sources. Proper citation ensures you give where credit is due, which keeps you safe from plagiarism.
Our plagiarism detector is the best way to avoid accidental plagiarism; or any type of plagiarism for a matter of fact. It is the most accurate plagiarism checker that gives you direct source links of similar content.
Great writing is more than just citing your sources. It needs to be clear, polished, and professional. CopyChecker offers more writing tools to help you express yourself.
Instantly improve grammar, spelling, and punctuation. Our Grammar Checker ensures your writing is error-free and easy to read.
Our tool makes it super easy to check plagiarism. Simply paste your content, or upload your file and click the “Check Plagiarism”. Our tool will scan a vast database of content to check for similarities.
You can also click “Deep Plagiarism Check” to start advanced content similarity checks with AI.
You can check for plagiarism as many times as you want for free as long as it’s 1,000 words at a time. Our free plagiarism checker will give you duplicate percentages, and source links as long as your content is less than 1,000 words.
Yes! This tool can check plagiarism online in all kinds of content whether it’s written by a human or AI. If the same content exists somewhere else online, our duplicate content checker will find it.
Absolutely. It’s perfect as a plagiarism checker for essays, research papers, and dissertations. You can do a deep search to ensure you are not missing any citations or anything.
You can check all the different types of plagiarism with our online plagiarism checker for free. Whether it’s direct plagiarism, global plagiarism, paraphrasing plagiarism or any other.
You can start detecting all kinds of plagiarism in your text without logging in or creating an account. Just paste your text and hit “Check Plagiarism”. After your second time, you need to log in to use this tool.
Yes. We don’t store your writing to ensure whatever your submit does not fall into the wrong hands. Everything is promptly deleted after checking for plagiarism.