What our grammar checker can help you with
Grammar issues
From simple subject-verb agreement errors to more nuanced sentence structure issues, our tool helps check grammar quickly and efficiently. Get targeted suggestions to ensure your writing sounds natural and fluent.
Punctuation errors
This AI grammar checker catches the smallest punctuation errors, whether it's a comma splice, incorrect mark, or missing period. See instant feedback to make your text flow more smoothly.
Spelling mistakes
It is easy to miss a typo, even if you are a proficient writer. Our tool helps you correct spelling in seconds, clearly highlighting misspelled and misused words.
Typography mix-ups
Missed quotation marks, uneven spacing, and other formatting issues can make a huge difference in how your work is perceived. Our grammar checker suggests the best ways to fix those.
Instant feedback
Our tool goes beyond basic grammar checks, providing clear, practical suggestions on how to fix every error. Clean up your writing in just a couple of clicks without distractions or stress.
Easy to use
Forget about long, draining manual checks. Our intutive checker makes proofreading quick and simple. Paste or upload your text into the tool and instantly see clear highlight of every mistake.

How to check grammar with this tool?
Our grammar checker makes reviewing your work quick and easy. Here's how it works:
- Enter your text into the tool or upload it as a file.
- Click "Check grammar" for an instant scan.
- Review and refine your writing. The tool highlights grammar, punctuation, typography, and spelling mistakes, then offers smart tips for improvement. You can accept all changes at once for easy editing.
Frequently asked questions
What errors does this grammar checker pick up?
Our tool conducts comprehensive checks, detecting grammar, punctuation, spelling, and typography errors. It's designed to catch even subtle mistakes and provide targeted suggestions to fix them. Check your grammar with our tool for quick, highly accurate results. Review the feedback and apply the changes to make your writing sound natural and professional.
Does this tool have a built-in spell check?
Yes! It can be used as a spell checker tool as well as for refining punctuation, grammar, and formatting. Once you paste your text into the tool and click "Check grammar," it will highlight typos and misused words, offering a spelling correction for each issue. With our online spell checker, you can improve the clarity and readability of your writing instantly.
Does this grammar checker fix mistakes automatically?
Not automatically. With this grammar and spell checker tool, you're in control of every change. Our system marks errors and provides clear feedback on each. You can accept all corrections at once after seeing what works for your text. We also always recommend giving your work a final look before turning it in.
Is this tool free, and is there a word limit?
Yes, you can use this tool for free without registration or long, unnecessary steps. While our checker is 100% free, we have a 3,000-word limit per scan for higher accuracy. If you need to check a long text, we recommend dividing it into several parts and checking them separately.
What file types does this tool support?
This grammar checker supports DOC, DOCX, TXT, and PDF file formats. Upload your file and make sure it isn't larger than 10 MB. If your text is bigger, you can upload it in parts.
Does this tool save or share my text after checking?
No, never! When you check grammar with our tool, you can rest easy knowing everything you paste stays private. We never store or share your data, ensuring a safe experience for you.
Does this tool support any languages besides English?
Currently, PaperWriter's grammar checker is only available in English. We're focusing on ensuring highly accurate results and useful suggestions for each scan before expanding. Additional languages and new features will be introduced in the future. Stay tuned, more updates are coming.