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by Paper Rater
Free cloud-based plagiarism checker and grammar proofreader for students
PaperRater is a free online plagiarism checker and grammar proofreading tool used by students and educators across 140+ countries. It compares submitted text against 10 billion-plus documents from web and print sources to compute an Originality Score, while its cloud-based grammar engine flags spelling, contextual, and stylistic errors using machine learning. The browser tool requires no signup or download, and an optional premium plan offers higher speed and accuracy for power users.
6 capabilities across the Plagiarism Checker workflow.
Cross-checks submissions against billions of web pages, journals, and print sources for matches.
Returns a percentage score showing how much of the paper is original versus matched content.
Patented engine flags grammar, spelling, and stylistic issues using contextual machine learning.
Suggests stronger word choices and highlights overused phrases to improve writing quality.
Grades essay quality on syntax, structure, and readability for instant student feedback.
Paste text directly into the browser tool without registration, login, or software download.
All prices in INR. Contact vendor for enterprise & annual discounts.
flat · billed monthly
flat · custom billing
