Top 10 websites for effectively checking duplicate content

Plagtracker is one of the most popular free plagiarism detection tools available today. Based in Ukraine and launched in 2011, Plagtracker offers many advantages such as fast file processing, unlimited word count checks, an easy-to-use interface, and paid support services.

Plagtracker allows users to upload PDF, DOC, or DOCX files, as well as cut and paste online documents for free and with convenience. Its search algorithm compares your uploaded content with other published material on the web. You can access detailed plagiarism reports to trace the exact origin of the content and discover other helpful information.

Website: https://www.plagtracker.com/

Copyscape is currently one of the most effective plagiarism checkers worldwide. You can use Copyscape for free with a limited number of searches per website. Its free version allows you to check content published on a website by entering the URL. Copyscape offers two main paid services:

• Copyscape Premium: A paid Premium account allows you unlimited searches, deep searches, excerpt searches, and full website searches.
• Copy Sentry: Copy Sentry automatically alerts you when someone attempts to copy your published content.

Copyscape provides free URL searching with results delivered within seconds. While the free version does not perform deep searches (such as breaking text into segments to detect partial duplication), it efficiently checks for exact matching results. If you find two URLs or text blocks that seem similar, Copyscape offers a free comparison tool to highlight the duplicated content.

Website: https://www.copyscape.com/

Siteliner was created to help you check for duplicate content within your own website. All you need to do is paste your website's URL into the check box, and it will scan for duplicate content, page load times, word count per page, internal links, external links, and more. Depending on the size of your website, the scan process may take a few minutes, but the results are well worth the wait. You can then click on the results for more details and download the scan report as a PDF file.

The Siteliner tool can quickly and effectively scan for duplicate content, word count per page, internal and external links, and many other related aspects. Note: The free version of Siteliner is limited to one scan per website per month. However, you may want to consider Siteliner's premium plan, which is reasonably priced at $250 per year for 25,000 pages.

Website: https://www.siteliner.com/

This tool detects plagiarism, paraphrased content, and similar text using AI-based algorithms in over 100 languages and machine learning technology. It conducts an extensive search process by comparing millions of online sources and billions of documents. Its free service is limited to 20 scans per month. Copyleaks is a great tool to help with this task.

This tool detects plagiarism, paraphrased content, and similar text using AI-based algorithms in over 100 languages and machine learning technology. It performs an expansive search by comparing millions of online sources and billions of documents. The free service is limited to 20 scans per month. To improve your website's ranking in search engines, Copyleaks focuses on identifying and eliminating negative factors such as duplicate content. With the free version, the app completes daily tasks automatically. Users often describe Copyleaks as simple, timely, and highly effective.

Website: https://copyleaks.com/

The advantage of using Quetext is that it utilizes their Deep Search technology, allowing more advanced algorithms to perform context-based analysis and accurately detect plagiarism. As a result, it produces quick and precise scans. This is why bloggers, instructors, authors, experts, and others find its popularity to be highly valuable.

The free version of Quetext can scan up to 2,500 words or five pages of content. Its features, such as ColorGrade feedback, contextual analysis, open matching, and conditional scoring, make it highly popular among professionals and writers. It remains one of the best plagiarism detection tools available today.

Website: https://www.quetext.com/

PlagSpotter offers free, fast, and thorough URL searches. Scanning a website for duplicate content takes less than a minute, covering 49 listed sources, with links provided for further review. Additionally, it features an “Original” option that allows you to compare flagged duplicate text.

While URL searches are free, you can sign up for a 7-day trial to access a range of useful features, including plagiarism monitoring, unlimited searches, batch searching, full-site scanning, and more. After the trial, their affordable paid version is available if you wish to continue using PlagSpotter.

Website: https://plagspotter.com/

If you're looking to ensure authenticity by identifying similarities, Unicheck is the perfect tool for the job. It supports multiple file types and is particularly effective for large file uploads. It provides detailed reports, helping you check for plagiarism as you go. In addition to online page searches, it can scan organized library files and educational databases.

Some key features of Unicheck include:

• Alerts for any controversial or problematic content;
• Customizable search settings;
• Real-time computation;
• Your privacy is protected with encrypted text;
• Personalized dashboard;
• Google Documents integration for plagiarism checks;
• Google Chrome compatibility to detect duplicate content.

Website: https://unicheck.com/

Prepostseo plagiarism checker uses advanced algorithms to identify all copied or paraphrased lines in your content. Users simply paste their document into the plagiarism checker or upload files directly. This AI-powered tool scans vast online databases to match your content and flag duplicates.

Once copied lines are detected, Prepostseo provides the original source of the copied data. After identifying duplicate lines, users can replace them, making their content 100% unique. Additionally, this tool offers a language conversion feature, allowing users to translate their content into multiple languages.

Website: https://www.prepostseo.com/

Grammarly, a writing tool known for its unique grammar error detection services, has gained global popularity. Once you install its Chrome extension, it quickly identifies grammar mistakes as you type. While it's widely recognized for grammar checking, its high-quality plagiarism detection feature isn't for everyone. Grammarly doesn't just focus on grammar and tone (a newer feature); it also thoroughly scans your work across over 16 billion web pages and the ProQuest database during the process. Its user-friendly nature is a key reason why Grammarly is a go-to choice for plagiarism detection, making it one of the best free tools for checking online content.

Website: https://www.grammarly.com/

Smallseotools is a free tool accessible to all users. Many website owners consider this tool effective for checking duplicate content. You can either input text or upload a TXT file for testing.

This plagiarism detection tool supports multiple file types including RTF, ex, doc, .pdf, txt, and .docx. Additionally, specific URLs can be easily ignored using SmallSEOTools. It's a popular utility and one of the top 10 tools to help you identify duplicate content on your website. To check for duplicate content on your website, follow these steps:

• Visit the Smallseotools website
• Under the “Choose Sample Text” section, copy the content you want to check and paste it in the provided box. Note: don't exceed 1000 words
• Check the box that says “I’m not a robot” and then click the “Check Plagiarism” button

Website: https://smallseotools.com/