#1 Plagiarism Checker

Plagiarism Checker X 2024 helps you check plagiarism within your writings such as research papers, blogs, assignments, and websites. With higher speed and accuracy, check your text similarity in just a few seconds.

Get Started  

plagairism checker for windows 10 and 11 Compatible with Windows 11, 10, 8, 7, and Vista.

plagairism checker free

Powerful Features

Here is a list of few competitive features that give it an edge over alternative solutions.

Our product is designed to examine most popular file formats, including Microsoft Word Documents, Spreadsheets, PDF, RTF and plain text, and it is compatible with Windows.

No more language barriers for international users as the app is available in English, Spanish, French, German, Italian, Dutch, and Portuguese and understands 250+ languages.

People from all over the world are enjoying plagiarism checker x. Whether it's USA/Canada or the UK, Indonesia, or Germany, India, or Malaysia or Egypt.

Online Plagiarism

Plagiarism Checker X most advanced feature deep search technology search booster to perform similarity checks in your documents, writings, quickly and accurately across billions of web pages.

Side By Side Difference

Compare text of two documents side by side to check for similarities. This feature highlights both original and alternate content wherever it finds duplicate.

Cross Comparison

Educators must grade multiple class assignments, a time-consuming and cumbersome task. With our Bulk Search feature, scan the entire batch of assignments in just one click.

Readability Checker

Plagiarism Checker X also offers a comprehensive readability checker that analyzes reading levels, extracts keywords, and determines the difficulty level of your text.

Bibliography & Quotes Detection

App provides quotes & Bibliography exclusion features to assist academic users, so they can adjust the scannable content for the reports as per their institute requirements.

Comprehensive Reports

Comprehensive Word/PDF Documents reports with verifiable QR code is a hallmark of plagiarism software. The originality reports are color-highlighted with references, indicating the level of matched similarity.

Endless Possibilities, Limitless Use Cases.

Similarity Scanner for Students

Plagiarism Checker for Students

Plagiarism Checker X helps students by checking duplication issues in their assignments and papers. You can easily check for content similarity and find the original sources, correct citations, and, as a result, obtain better grades.

Know More!

Similarity Scanner for Teachers


As a teacher, you can use PlagiarismCheckerX to check your own research papers and your students’ assignments. The Bulk Comparison feature enables you to check an entire batch of documents in one click. Additionally, you can also detect content similarity in documents and already published contents.
Know More!

Similarity Scanner for Writers and Publishers

Writers & Journalists

For online publishers such as writers & journalists, unique content is very important. Your main challenge is producing or obtaining original content. Whether you’re a blog owner or a professional content writer, Plagiarism Checker X is one the leading copyright checker and can help you avoid potential content similarity.
Know More!

seo and plagiarism

Digital Marketers

Digital Marketers and SEO experts understand the value of original content. Pages never achieve a high rank in leading search engines, such as Google or Bing, unless their content is fresh, unique, and well written. Plagiarism Checker X helps you discover similarity rank of your written content before submitting to search engines.
Know More!

Similarity Detector for SEO Experts

Awards & Certifications

Plagiarism Checker X is an award winning software. Yes, we dislike boasting off but happily share our achievements and worldwide recognition. The positive reviews that we have received from numerous independent, industry-related organizations and testing agencies are additional.

Used by Leading Institutes

We value our users experiences. The speed, accuracy, and ease of our user interface have led to satisfied and loyal customers.

View More

Our users say great things about us!

Your Data is Safe In your Device

"As a user, you are not required to upload your assignments and contents into our database; instead, the files remain with you. This feature makes Plagiarism Checker X totally different from rest of service providers in the market. So, Hurry Up! Grab a copy here!".

Credit Cards