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Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector

By QuillBot (Course Hero), LLC

Improve your writing - Detect and Humanize AI content, create images, Paraphrase, Check Grammar, AI Chat, and more!

Time on the storeAbout 3 years or moreSee the exact launch date
Store users≈6MRounded by the Chrome Web Store
Chrome Web Store rating4.7 / 56K ratings on the Chrome Web Store
Last store update30 Sep 2026Version 4.118.0, 5 days ago

How Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector is doing

Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector has been on the store for about three years or more and is in the top 1% of Communication by users. Recent activity is steady. It was updated in the last month.

Time on the store
About 3 years or more

A rough range. Members see the exact launch date.

Place in Communication
Top 1%

By store users, among the Communication extensions we track.

Recent direction
Steady

Moving at about the same pace as the month before.

See the exact launch date and full history

Inside the extension

Reviews

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Audience & ratings

See full audience and rating history

Users and ratings over time, growth in the last 30/90/365 days.

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Release history

See the release history

Every version, when it shipped and what access it added or removed.

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Permissions & access

Access levelHigh

Can read and change every website you visit.

What it’s allowed to do, not what it actually does. Not a safety rating.

Permissions 9

Sensitive2

  • Read and change data on every website<all_urls>
  • Read and change site cookies, including loginscookies

Standard7

  • Run tasks on a schedulealarms
  • Save its own settingsstorage
  • Work on the tab you click it onactiveTab
  • Add items to the right-click menucontextMenus

Members also see when a new version asks for new access.

Website access All

  • All websites
  • quillbot.com
Extension ID
iidnbdjijdkbmajdffnidomddglmieko
Package size
25.52MiB
Manifest
Version 3

The maker

This is the only listing we know of from QuillBot (Course Hero), LLC.

Listings
1
Combined store users
≈6M
Store Featured
1

Combined users can count the same person more than once. Maker profile Developer website

Ext Watch AI

Should you build
in this niche?

One research report for Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector: the takeaway, search demand, traffic, pricing, reviews, competitors and what to build. Every number shows its source and date. Anything we cannot verify is marked.

Takeaway & demand

A cited takeaway, plus Google search volumes for the niche

Traffic & domain

Website popularity rank, visits and domain authority, each with its source

Money & pricing

Plans and prices read from the maker’s website. No revenue guesses

Reviews

Top complaints, praise and recent issues, quoted from real reviews

Competitors & ranks

Where it ranks against the closest listings

Build opportunity

What to build, what an MVP must fix, and how to position it

Full research reports, with Ext Watch Plus.

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