Cold Defence

by Justin · cold-defence.com · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 21 Oct 2026

Filters cold emails in Gmail using Gemini AI

Users

+2 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#138K

#115K among extensions

Version

1.0.12

updated 13 Jun 2025

Users

monthly, 2 years

Latest, 21 Oct 2026: 27 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 21 Oct 2026: 4 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 Cold Defence

Did you know, 50% of all emails are cold emails, solicating your time and energy. Cold Defence is the best and only tool that integrates seamlessly into your Gmail. Built around the Google ecosystem with Gemini AI and OpenAI, we scan, detect, and then flag all incoming emails for cold email keywords. Cold Defence never reads your private details, instead relying on keyword detection to ensure your email remains private. Cut cold emails by 99% with Cold Defence.

Growth

Window	Users	Change
7 days	+4	+17.4%
30 days	+2	+8.0%
6 months	0	+0.0%
1 year	+1	+3.8%

Version history

7 versions recorded

1.0.1213 Jun 2025

1.0.1111 Jun 2025

1.0.108 Jun 2025

1.0.921 May 2025

1.0.81 May 2025

1.0.631 Jan 2025

1.0.324 Dec 2024

Details

Category: Tools
First seen: 24 Dec 2024
Size: 195 KB
Languages: en-US
Pricing: Free
Privacy policy: colddefence.framer.website
Extension ID: coofmcocenhheibijoienpnkbjoihojk

Permissions and risk

Low riskimpact 2, likelihood 1

Permissions

identityidentity.emailactiveTabstorage

Site access

https://mail.google.com/*https://gmail.googleapis.com/*https://script.google.com/macros/s/AKfycbyTtvE89kDdsduoPpIPxVT5MXw5M8CPpSd8hXWv1VBQIiJbbs6SUyaMK_1_bxZlGoZz2g/exechttps://worlhzdfsfjslkbqmegl.supabase.co/functions/*