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To use this plagiarism checker, please copy and paste your text in the box above, then click on the button “Check Plagiarism”. The tool will scan your article to check for duplicate content.
A list of key features:
Our plagiarism checker scans your content against billions of indexed web pages in seconds. Once you upload your content, it will automatically run it against every existing piece of content on the web within seconds.
Our plagiarism checker supports a range of document formats, including .doc, .docx, .txt, .tex, .rtf, .odt, and .pdf. This means it does not matter what format your content takes; as long as it is digital, our tool will handle the rest.
With this plagiarism checker online free, not only are you able to upload different formats of documents, but you can also check plagiarism via a website URL.
Generate detailed plagiarism reports with just one click. These reports can be downloaded and shared as proof of originality or stored for future reference, ideal for academic, professional, and legal use.
This feature allows you to check plagiarism on documents in languages other than English. Whether your content is written in русский, 日本語, italiano, français, Português, Español, Deutsche, 中文, our tool can check in your language.
Our plagiarism checker can check content in the cloud, including Google Drive and Dropbox. Simply choose where your content lives in the cloud and select the specific document you want to run, and our copyright checker will do the rest.
After uploading your content and running a plagiarism check, our tool displays clear percentage scores for both unique and plagiarized content. For example, you’ll instantly see results like 82% unique and 18% plagiarized, helping you assess content quality at a glance.
Instead of giving you a single overall score, the tool analyzes your content line by line to reveal how originality is distributed across the text. Each sentence is individually evaluated and categorized, allowing you to clearly see which parts are fully original and which require revision.
If you want to develop a real-time, multi-tasking plagiarism-detection system integrated into your website, we have your back. The Plagiarism Checker API offers you a great API integration solution. This eliminates the need to check each article for every student individually and saves you hours of work and headaches. You can check plagiarism for multiple essays, theses, or assignments of your students in just one click. This also works well for large websites that frequently publish dozens of contributor articles.
Our plagiarism checker is built to deliver speed, accessibility, and reliability for anyone who values original content. Whether you’re a student, educator, researcher, writer, or publisher, this tool simplifies plagiarism detection while delivering accurate results you can trust.
Check your content and get results within seconds. The tool scans your text efficiently without complicated steps, allowing you to verify originality quickly and move forward with confidence.
Our plagiarism detector is accessible on any device. You don’t need to install any plugins or software to check for duplicates with this utility. Whether you use Android, iOS, Windows, Linux, or macOS, you can easily access our tool.
When it comes to detecting plagiarism, everyone wants to know the sources from which their text matches. The best free plagiarism checker by SmallSEOTools not only detects the plagiarized portions of your text but also provides you with a list of sources from which your entered text matches.
Why? Plagiarism is an act of academic dishonesty, a breach of journalistic ethics, and above all, a publishing crime. As such, you don't want to fall victim. If your work contains plagiarized content, whether intentionally or by ignorance, you stand to face severe penalties, including:
This does not include other consequences, such as SEO penalties for duplicate content, lower rankings, loss of trust, potential academic sanctions, and more. Now, on the other end of the spectrum, as a content consumer or user (reader, professor or teacher who vets students' work, client of freelance writers, etc.), it is equally important to check for plagiarism before accepting or taking action on any content you come across or submit to you. That is why we created the Plagiarism Checker by Small SEO Tools.
Our plagiarism checker offers users a distinct word limit for plagiarism checks. You can check the word limit for the plagiarism detector on the pricing page.
You can get the premium subscription to the plagiarism checker by clicking the GoPro button available on the landing page. After accessing the pricing page, you can explore the available plans and click Subscribe to purchase the plan you want.
Does My Content Remain Secure on SmallSEOTools?
Yes! Our tool ensures that users’ content remains 100% safe and secure. The databases of our plagiarism detector are designed not to store any user-uploaded text or files.
The online plagiarism checker from SmallSEOTools supports 30+ languages. You don’t need to use a specific plagiarism detection tool to check a text for plagiarism in a language other than English.
Our database includes publicly available pages, academic publications, journals, and books.
Yes, advanced reports can separately highlight correctly cited text. However, always review matches manually to confirm the correct citation.
Free versions allow up to 1,000 words per search. Premium plans offer up to 30,000 words or more per check.
We respect user privacy. Documents are stored temporarily for processing and deleted automatically after generating the report.
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Copyright © 2012-2026 by SmallSEOTools.com All Rights Reserved.