Kotonoha Copilott: AI Writing Assistant & Proofreader

by nh · Tools

Manifest V3 in_app

View in Chrome Web Store Data as of 21 Oct 2026

AI-powered browser extension that makes text input smooth and comfortable with predictive text and proofreading.

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#185K

#155K among extensions

Version

2.1.0

updated 23 Jan 2026

Users

monthly, 10 months

Latest, 21 Oct 2026: 13 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months

Latest, 21 Oct 2026: 0 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 Kotonoha Copilott: AI Writing Assistant & Proofreader

A browser extension that provides powerful text input support by predicting and proofreading your next sentences with AI. Free to use immediately after installation—no registration required. You can try out the features from the following URL without installing. https://www.kotonoha-copilot.site/en/playground

Growth

Window	Users	Change
7 days	0	+0.0%
30 days	0	+0.0%
6 months	+5	+62.5%

Version history

6 versions recorded

2.1.023 Jan 2026

2.0.121 Jan 2026

2.0.017 Jan 2026

1.1.015 Jan 2026

1.0.33 Jan 2026

1.0.11 Jan 2026

Details

Category: Tools
First seen: 1 Jan 2026
Size: 7.3 MB
Languages: en, es, ja
Pricing: in_app
Privacy policy: kotonoha-copilot.site
Support: forms.gle
Extension ID: fnkdchjffpbkmofkmkopdanpeonibamd

Permissions and risk

Moderate riskimpact 3, likelihood 2

Permissions

storageactiveTab

Site access

https://kotonoha-proxy.kotonoha-api.workers.dev/*https://kotonoha-copilot.site/*https://*.kotonoha-copilot.site/*https://mbbebjbhpbzyflwjuohp.supabase.co/*https://huggingface.co/*https://cdn-lfs.huggingface.co/*