Write Brain: AI Writing Assistant icon

Write Brain: AI Writing Assistant

by INTERNUITY INTERNET CC · writebrain.io · Tools
FeaturedEstablished publisherManifest V3 in_app
View in Chrome Web Store Data as of 17 Oct 2026

Fix your grammar and other writing tools on every website with the help of AI

Users
227
+13 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#61K
#51K among extensions
Version
1.1.2
updated 25 Oct 2023

Users

monthly, 3 years
0122243Sep 2023Apr 2025Oct 2026
Latest, 17 Oct 2026: 227 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
012Sep 2023Apr 2025Oct 2026
Latest, 17 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Write Brain: AI Writing Assistant

Automagic creative writing assistance wherever you write on the web. Write Brain will help you with grammar and other writing improvements whether you are posting on social media, chatting in forums, writing emails, or filling in forms. A simple menu of writing improvement commands help you to improve your writing everywhere: ✔️ Fix grammar 📝 Improve your writing ✂️ Make your writing more compact and less verbose 🎙️ Change your tone to fit the context 🌍 Translate text to or from your home language 😀 Add emoji 🎯 and more An easy menu toggle on every input with one-click improvements.

Growth

WindowUsersChangeRatingsRating
7 days+4+1.8%00.00
30 days+13+6.1%00.00
6 months+14+6.6%00.00
1 year−30−11.7%00.00

Chrome Web Store search rankings

Where Write Brain: AI Writing Assistant appears when people search the store, with the 30 day change
Search phrasePosition30 days
ai writing assistant#40
writing#16+7
ai writing#17+7
ai grammar#87+11

Version history

10 versions recorded
1.1.224 Oct 2023
1.1.121 Oct 2023
1.1.014 Oct 2023
1.0.311 Oct 2023
1.0.29 Oct 2023
1.0.15 Oct 2023
1.0.03 Oct 2023
0.0.626 Sep 2023

Details

Category
Tools
First seen
21 Sep 2023
Size
60 KB
Languages
en-US
Pricing
in_app
Privacy policy
writebrain.io
Support
writebrain.io
Extension ID
hoifabdggfdbeejjnachknneilikeobk

Permissions and risk

Minimal riskimpact 2, likelihood 0
Permissions
storageactiveTab
Site access
https://writebrain.io/*https://dev.writebrain.io/*

Alternatives to Write Brain: AI Writing Assistant

Extensions that rank for the same store searches or share the Tools category, ordered by users
Grammarly: AI Writing Assistant and Grammar Checker App40M users · 3.9 ★ · 43,152 ratings Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector6M users · 4.7 ★ · 6,050 ratings Wordtune: AI Paraphrasing and Grammar Tool1M users · 3.3 ★ · 2,390 ratings DeepL: translate and write with AI4M users · 4.5 ★ · 12,657 ratings GPTZero: AI Detection & Writing Replay500K users · 4.6 ★ · 742 ratings Jetwriter AI: Reply Emails, Ask Page, Summarize, Fix Grammar, and More500K users · 4.1 ★ · 1,372 ratings Read&Write for Google Chrome™18M users · 2.4 ★ · 1,593 ratings Sider: Chat with all AI: GPT-5, Claude, DeepSeek, Gemini, Grok5M users · 4.9 ★ · 114,570 ratings