The Cornerist icon

The Cornerist

by rieux.renaud.94 · Shopping
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Signals when a website is supported by Boursorama's The Corner and shows discount percentage

Users
14
−3 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#169K
#141K among extensions
Version
1.0.0
updated 21 Dec 2025

Users

monthly, 10 months
0918Dec 2025Jun 2026Oct 2026
Latest, 15 Oct 2026: 14 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months
012Dec 2025Jun 2026Oct 2026
Latest, 15 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 The Cornerist

The Cornerist détecte automatiquement quand vous visitez un site partenaire du programme "The Corner" de Boursorama et vous indique le pourcentage de cashback disponible.

Growth

WindowUsersChangeRatingsRating
7 days−4−22.2%00.00
30 days−3−17.6%00.00
6 months+1+7.7%00.00

Version history

1 versions recorded
1.0.018 Dec 2025

Details

Category
Shopping
First seen
18 Dec 2025
Size
32 KB
Languages
fr
Pricing
Free
Extension ID
eajhagjpenbkpajgiekbflagjkdpcjbo

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
activeTabstorage
Site access
http://*/*https://*/*
Can read and change data on every website you visit.

Alternatives to The Cornerist

Extensions that rank for the same store searches or share the Shopping category, ordered by users
Honey: Automated Coupons & Rewards13M users · 2.2 ★ · 179,638 ratings Capital One Shopping: Save Now11M users · 4.1 ★ · 18,022 ratings Avira Safe Shopping7M users · 3.4 ★ · 211 ratings Keepa - Amazon Price Tracker5M users · 3.4 ★ · 5,136 ratings Avast SafePrice4M users · 4.7 ★ · 11,652 ratings Rakuten: Get Cash Back For Shopping3M users · 4.7 ★ · 43,583 ratings Coupert - Automatic Coupon Finder & Cash Back3M users · 4.7 ★ · 11,394 ratings Klarna | Shop now, Pay Later1M users · 4.7 ★ · 57,964 ratings