VerlumoAIWriting assistant that checks grammar, tone, and clarity.
View detailsPaperRater is a free online tool that checks grammar, spelling, and plagiarism in one pass. Paste in an essay or article and it returns corrections, a readability score, and a plagiarism report.
Key Features
- Free grammar and spelling checks
- Plagiarism detection
- Readability and vocabulary analysis
- Writing feedback and suggestions
- No account needed for basic checks
- Works in any browser
Pricing
| Plan | Price | Details |
|---|---|---|
| Pricing | Check official site | See the official site for current plans. |
Prices as listed in 2026 research. Always check the official site for the latest price — plans change. Free plan: Yes — it has a free plan.
Best for: students who want a quick, free grammar and plagiarism check.
Popular with: Students, Teachers
Popular with: Students, Teachers
How it works
The tool is aimed at students who want a quick, free check before submitting work. It also offers vocabulary suggestions and a basic writing analysis that flags weak word choices.
PaperRater is convenient and free, but it is less accurate than paid editors and its plagiarism database is limited. It works as a first-pass check, not as a final proofread for important work.
Pros and Cons
✓ Pros
- Free with no account needed
- Combines grammar and plagiarism in one check
- Fast results for short documents
✗ Cons
- Less accurate than paid editing tools
- Limited plagiarism database
- Ads and upsells in the free version
Frequently Asked Questions
Is PaperRater free?
Yes — PaperRater has a free plan. Check official site
What is PaperRater best for?
students who want a quick, free grammar and plagiarism check.
What kind of tool is PaperRater?
PaperRater is a Writing Assistants tool on VerlumoAI.
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View detailsLast reviewed: November 2026