Top 10 Free Plagiarism Checker Tools (Updated)

What is Plagiarism? According to Wikipedia “Plagiarism is the “wrongful appropriation” and “stealing and publication” of another author’s “language, thoughts, ideas, or expressions” and the representation of them as one’s own original work.”

Search engine companies like Google, Bing and Yahoo strictly taking action against plagiarism. If you are a blogger and accepts guest blogging from others, before publishing their content you need to confirm that content hasn’t been published anywhere across the web.

To check content plagiarism here we listed top 10 plagiarism checker tools.

1. Small SEO Tools Plagiarism Checker

The best ever plagiarism tool I ever saw. Very easy to use. You just need to copy and paste your content in the box, then click on the green button that says “Check for plagiarism”. You can check up to 1500 words per search.

2. DustBall

Another popular plagiarism checker tool. You can check the content paste directly on the box or upload MS word document directly to check the plagiarism.

3. Plagium

With plagium plagiarism checker you can check up to 5,000 characters at one time. Plagium gives two options to the users one is a quick search and deep search a clean plagiarism checking on contents.

4. PaperRater

PaperRater is a plagiarism cum proofreading tool. Really easy to use, just need to paste the text of your paper and click the “Get Report” button immediately. If you would like to check grammar, spelling, style and  plagiarism detection use Paper rater Tool.

5. CopyScape

A popular tool to find copies of your page on the web. Powerful and easy to use. Also, you can use Copyscape’s plagiarism warner banner on your blog.

6. Plagiarism Detector

To use Plagiarism detector you need to install their software on your device. To test, you can use their free demo.

7. Plag Tracker

With plag tracker, you can detect plagiarism, fix grammar mistakes and even proofread your content. Plag Tracker’s detectors guarantee you that anything you write can be thoroughly checked by our online plagiarism software to ensure that your texts are unique.

8. Grammarly Plagiarism Checker

One of the world’s best recommended plagiarism checker by Grammarly. Grammarly scan your text for grammatical errors and for plagiarized contents. Grammarly says their system had the capabilities to catch up to 10 times more mistakes than word processing software.

9. Viper

Viper calls itself the “Free TurnItIn Alternative.” Viper can scan a large database of academic essays and other online sources. Viper offers  side-by-side comparisons for plagiarism.

10. comes last into our list. is a powerful Plagiarism Checker for students aims to help students avoid troubles with the most typical mistakes. Their free Plagiarism Checker tool lets you check up from 5 plagiarism checks per month up to 100 (if you’re registered).

About Mohammed Anzil

Professional Blogger, SEO, and Web Developer. Founder of and CoFounder of

View all posts by Mohammed Anzil →