The Most Accurate Plagiarism Checker

Instantly compare your text to over 20 billion sources using our free checker tools

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Plagly's FeaturesWhat's under the hood?

We've created the fastest and most accurate free plagiarism checker tool to help students, teachers, and SEO professionals easily and more efficiently detect plagiarism and duplicate content.

Check for plagiarism

Instant Plagiarism Checking

Plagly's free plagiarism checker compares your text to the entire internet and other databases by detecting plagiarized phrases and highlighting sections of content currently published online.


Free Content Report

Instantly check for content issues to improve efficiency by correcting text and passages. Improve citation and sources for your essay, articles or online content.


Students & Teachers

Trusted by top colleges and universities the free plagiarism checker for students and teachers online allows students to scan academic papers, essays and assignments for plagiarized text.


Next Level Technology

Plagly is changing the online writing world for plagiarism detection software by developing advanced game changing technology. Plagly's algorithm updates each day for the most accurate results.


Duplicate Content Checker

Prevent duplicate content issues by using the SEO plagiarism checker tool by scanning your website content. Improve website search engine optimization, visibility and readership.


Natural Language Processing

Intelligently check for grammar mistakes or plagiarized documents to determine source originality by using natural language processing algorithms with easy to use reports and analysis results.

Plagiarism Checker Software for Students

Copying another student's work is an ever growing trend in education as students and teachers now use techniques to check, prevent and detect passages, sentences or phrases with plagiarism. Students often use the plagiarism tool to check a research paper, essay, or missing citations before submitting to a third party software like Turn-it-in. Meanwhile, teachers use this free tool to scan assignments, papers or projects in order to find the original source if issues are identified.

Tools for Writing Success

We have crafted state of the art grammar check software to eliminate spelling and grammatical errors with support for more than 20+ other languages. Our checker software is supported and recommended by top universities by students, teachers, and professors throughout the educational system. Check for plagiarism to detect issues with content writing and prevent duplication using online checkers.

A Developer First API

We’ve created the fastest and most accurate technology to help developers easily and more efficiently check for plagiarism by interacting with our lighting fast API.

See Documentation
Plagiarism API

Who's Talking About Plagiarism