QuillBot: AI Writing and Grammar Checker Tool

Elevate your writing with QuillBot's AI-powered productivity tools: Grammar Checker, Paraphrasing Tool, AI writer, and more!

QuillBot is a comprehensive AI-powered writing assistant designed to enhance your writing productivity. Featuring tools like a Grammar Checker, Paraphraser, AI Writer, and Summarizer, it helps students, professionals, and English learners craft polished and effective content. Its generative AI email-writing feature offers instant suggestions and contextual responses, making communication faster and clearer.

With over 35 million monthly users, QuillBot supports various writing needs—proofreading, tone adjustment, plagiarism prevention, and fluency improvements. Premium users can access advanced modes such as Academic mode, Freeze Words, and detailed tone insights. Whether composing emails, essays, or social media posts, QuillBot ensures your writing is accurate, engaging, and true to your voice.

Manifest V3
Version:
4.17.0 (Last updated: 2025-04-21)
Creation date:
2023-10-12
Permissions:
  • alarms
  • cookies
  • storage
  • activeTab
  • contextMenus
  • notifications
  • scripting
  • sidePanel
Host permissions:
  • *://*/*
  • https://quillbot.com/
  • https://quillbot.com/*
Full description:
See detailed description
Updated:
a day ago

Other platforms

QuillBot: AI Writing and Grammar Checker Tool (v4.16.2)
4,000,000+ 4.59 (1,920)
QuillBot - AI Writing Keyboard (v2.0.24)
5,132,154+ 4.32 (13,164)

User reviews

QuillBot's Edge extension is praised for its effective grammar checking and writing assistance, particularly helpful for non-native English speakers and professional users. It saves time by integrating directly into the browser, eliminating the need to visit the web client. However, multiple users report recurring login problems and slow, buggy performance with both the extension and web client. Premium features often do not work properly, and customer support is slow to respond. Recently, users have also faced access blocks and captcha challenges, which affect overall usability.
Pros
  • Very helpful for grammar checking and improving sentence quality.
  • Convenient and user-friendly extension that saves time compared to using web clients.
  • Useful for non-native English speakers and those involved in professional writing tasks.
  • Effective in assisting with both small and large writing projects.
  • Highly recommended and generally praised for its writing assistance capabilities.
Cons
  • Login issues occur frequently, requiring repeated sign-ins which disrupt user experience.
  • The extension and web client can be slow, buggy, and prone to errors, including glitchy performance.
  • Premium features and recommendations sometimes fail to appear or work as expected, reducing value for paying users.
  • Customer support is slow or unresponsive when users report issues or request solutions.
  • Captcha requests and access blocks have started appearing recently, causing inconvenience for users.
Recent reviews
Whether it's their Edge extension or MS Word Extension, you will have to remove it and reinstall it daily. That's because it won't sign in automatically or even when you click on "Sign In" thousands of times. So spare 10 minutes daily if you want to use Quillbot extensions.
by Samad, 2025-04-22

Every desktop, laptop, and device needs this extension because it can make your life way easier. Rather than having to go through the fumble of opening Grammarly's website and entering the text, you can get it directly on spot. Decent extension
by Yousef, 2025-04-20

some people cant use it because they dont have a brain but it works
by Jey'Sean, 2025-04-16
View all user reviews

Extension safety

Risk impact

QuillBot: AI Writing and Grammar Checker Tool requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
  • Medium ******* ******* ************* ***** *** ** ******* *** **** ******* ****** ******** *******
  • Low ******* ****** ** *** ********* ******** ************
Risk likelihood

QuillBot: AI Writing and Grammar Checker Tool is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
  • Medium **** ********* *** ****** **** ****** ********* ********** *** *** ** ****** ** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details

Promo images

QuillBot: AI Writing and Grammar Checker Tool marquee promo image
Marquee promo image
Small promo image

Similar add-ons

Here are some Edge add-ons that are similar to QuillBot: AI Writing and Grammar Checker Tool:

QuillBot for Edge QuillBot for Edge
MyBib Edge
1K 0.00 (0)
ProWritingAid: Grammar Checker & Paraphrasing Tool ProWritingAid: Grammar Checker & Paraphrasing Tool
Orpheus Technology Ltd
78K 4.60 (118)
QuillWordAccess QuillWordAccess
txthero
5K 5.00 (2)
Grammar Checker Grammar Checker
LinangData
16K 3.20 (4)
Sapling Grammar Checker and Writing Assistant Sapling Grammar Checker and Writing Assistant
Sapling Intelligence, Inc.
17K 3.90 (18)
WProofreader: AI grammar check & rewrite tool WProofreader: AI grammar check & rewrite tool
WebSpellChecker
497 5.00 (1)
GrammFix: AI Writer Helper GrammFix: AI Writer Helper
Intovation
78 0.00 (0)