QuillBot: AI Writing and Grammar Checker Tool
Extension Actions
- Extension status: Featured
- Live on Store
Elevate your writing with QuillBot's AI-powered productivity tools: Grammar Checker, Paraphrasing Tool, AI writer, and more!
Enhance Your Writing Anywhere You Work.
In today's fast-paced and increasingly global workplace, clear communication is essential. QuillBot for Chrome is an AI writing assistant that seamlessly integrates into the tools you already use to rewrite, rephrase, and refine your writing. Whether you’re crafting detailed reports, sending quick updates, or polishing client emails, QuillBot helps you write with clarity, confidence, and accuracy.
It’s fast, multilingual, and free. And it’s trusted by over 5 million professionals worldwide.
By installing the extension, you agree to the QuillBot Terms of Service (available at https://quillbot.com/terms) and acknowledge reading the QuillBot Privacy Policy (available at https://quillbot.com/privacy).
➤ We Value Your Privacy
Your writing is your business—QuillBot keeps it that way. We never sell your data, and our security meets enterprise-grade standards. Visit our Trust Center (available at https://quillbot.com/trust-center) to learn more.
➤ Key Features
✓ AI Assistant (Free + Premium)
Keep your workflow moving with instant writing feedback tailored for professional communication.
• Streamline your writing with one-click grammar, spelling, and punctuation fixes
• Enhance credibility with real-time style and tone suggestions
• Optimize your messaging with tone, clarity, readability, and word count insights
• Support global business communication in English, Spanish, French, German, Portuguese, and Dutch
➤ Your Shortcut to Clear, Confident Communication
✓ Paraphraser
Whether you're refining your message or adjusting the tone of your text, QuillBot's Paraphraser will help you communicate professionally. Paraphraser offers a variety of modes suitable for business, including the following:
• Formal Mode—Keep communications polished and professional
• Custom Mode—Match the style or tone of your brand voice
✓ Grammar, Clarity, and Style Enhancements
• Polish your writing with QuillBot for Chrome, ensuring your ideas land clearly and effectively
• Instantly fix grammar, spelling, and punctuation errors
• Refine awkward phrasing and unclear sentences in client-facing documents
• Maintain your professional voice while enhancing clarity and flow
• Eliminate repetition and convoluted phrasing in reports and presentations
• Tailor language for different formats: executive summaries, in-depth analyses, and team correspondence
➤ Built for Modern Professionals
Whether you're drafting proposals, updating policies, or replying to customers, QuillBot improves your communication without slowing you down.
• Marketers—Rephrase content across formats and channels
• Consultants—Ensure every deliverable is clear and professional
• Sales & Support—Respond with polished, on-brand messaging
• HR & Comms—Make internal updates easier to read and act on
• Multilingual Professionals—Increase speed to localization
• Academics & Researchers—Clarify complex writing for broader impact
➤ Free vs. Premium
Free Plan Includes:
• 2 modes (Standard & Fluency)
• Basic grammar and spell check
• Support for 6 languages
Premium Unlocks:
• Unlimited paraphrasing
• 11+ paraphrasing modes (Formal, Custom, and more)
• Advanced grammar and sentence-level edits
• Tone, clarity, and readability insights
➤ Why QuillBot?
QuillBot offers professionals a faster, smarter way to write with clarity, confidence, and accuracy.
• Intuitive Interface—Simple, distraction-free, and built for productivity
• Multilanguage Support—Write fluently in English, Spanish, French, German, Portuguese, and Dutch
• Unmatched Accuracy—Fix grammar, spelling, and tone with confidence
• Real-Time Assistance—Get live suggestions without switching tools or tabs
• Comprehensive Tooling—From rephrasing to tone insights, it’s all built in
• Secure & Private—Our security meets enterprise standards
• Constantly Improving—Frequent updates make QuillBot smarter and more helpful every month
Ready to Write Better?
Install QuillBot for Chrome and turn every message, email, and document into your best writing—no extra effort required.
Latest reviews
- Jeremiah Hartz
- its an excellent grammar checker and has helped me plenty, my only issue is that i cant ignore differences in spelling due to regional changes I.E armor to armour. if they fixed that it'd be a five for me
- Poppy Winter
- Brilliant! Have not been using it long so am still getting used to it but, so far so great. Highly recommend to all wtiters/ bloggers/ content creators, and so much more.
- Gabriel Santos
- helps me avoid being caught cheating
- luna gafaro
- Good app for writing in english and spanish. The Ai humanizer its also helpfull. The chat still needs less bot more chat feeling.
- ayush
- it is good very helpful
- Soneesh Maity
- Very Helpful
- Rishav Kumar
- excellent
- Mohammed Abdul Sattar
- Brilliant application ... Bravooooooo.
- Shah Faisal
- It is really good to add in for Grammarly mistakes.
- Kurt trevour Carbon
- helps me when in hurry no time to write puncation marks just 2 clicks all of it gone using it for 2 years now almost 3
- Tramain White
- Outstanding product. 'Been using it for years now.
- JadGer
- Absolutely terrible, it only catches only a solid half of your spelling/grammar mistakes and provides horrible corrections.
- Scott Leonard
- Actually pretty decent. It was a lot better than I expected, but still not that great. ~Benjamin Leonard
- Bruce Hoefferle
- Not free as stated
- Jane
- nice!
- ASHISH TRIPATHY
- FLJJMNNEL/MCVL/M?mmmm
- Vinothini R
- Thanks for correcting my grammmar
- Amir Hakim
- thanks for helping with my school work
- Roshan Marikar
- Super
- Nutco Task
- Good
- Anonymous
- SUPER HELPFUL!!!!
- Anonymous
- It is perfect and it even help me very much when i have a grammar or punctuation mistakes .
- Anonymous
- Perfect! sees more mistakes that grammarly sees, that's for sure!
- Anonymous
- love it
- Anonymous
- Great and excellent checkertool
- Anonymous
- A really excellent extension, far superior to Gramerly which is far too intrusive for me.
- Anonymous
- Yo, for anyone scrolling through Chrome Web Store, this is a MUST-INSTALL extension. Whether it is for work or school, it is OP;
- Anonymous
- 5 STAR Tool for office work daily use specially with emails, THANKS to the developer.
- Anonymous
- Amazing app.
- Anonymous
- Absolutely love it, always a great help.
- Anonymous
- Absolutely love it, always a great help.
- Anonymous
- I cannot sing the praises of this extension enough, Absolute 5 star app, GRAMMARLY WHO?? 100% recommend. An absolute powerhouse of a grammar checker.
- Anonymous
- I really like it. It help me a alot.
- Anonymous
- Very accurate and formalises every word of my emails
- Anonymous
- So good! it actually corrects everything! 5/5
- Anonymous
- QuillBot is a great tool for students. It helps rephrase sentences and improve writing quickly. I enjoyed using it and found it very helpful.
- Anonymous
- Very helpful tool, used for so many years, literally easing my works
- Anonymous
- Very accurate and formalises every word of my emails to ensure I get the best compliments and reviews.
- Anonymous
- Great help. Thank u....
- Anonymous
- it helps me a lot. thanks a lo, quill
- Anonymous
- Really helpful. I like it
- Anonymous
- Makes it easy to do boring stuff
- Anonymous
- Very useful tool
- Anonymous
- It's perfect
- Anonymous
- It's excellent
- Anonymous
- excellent tool!
- Anonymous
- works good eneugh.
- Anonymous
- show me where to start
- Anonymous
- very nice
- Anonymous
- Nice App！