Punycode Warning icon

Punycode Warning

by MKasjanowicz · Privacy & Security
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Alert user when they visit a punycode domain.

Users
144
+7 in 30 days
Rating
3.7 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#73K
#61K among extensions
Version
1.0
updated 13 Feb 2025

Users

monthly, 2 years
072144Feb 2025Jan 2026Oct 2026
Latest, 15 Oct 2026: 144 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
023Feb 2025Jan 2026Oct 2026
Latest, 15 Oct 2026: 3 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 Punycode Warning

Punycode Warning is a lightweight and simple browser extension designed to enhance security while browsing. It detects when a user visits a domain that uses punycode (e.g., xn--example.com) and displays a warning to prevent potential phishing attacks. Punycode domains can look visually similar to legitimate ones but may pose security risks.

Growth

WindowUsersChangeRatingsRating
7 days−2−1.4%00.00
30 days+7+5.1%00.00
6 months+88+157.1%00.00
1 year+103+251.2%00.00

Version history

1 versions recorded
1.013 Feb 2025

Details

Category
Privacy & Security
First seen
13 Feb 2025
Size
194 KB
Languages
en
Pricing
Free
Extension ID
iokbgmgicompnicikpnkighoenphghfb

Permissions and risk

Moderate riskimpact 3, likelihood 1
Permissions
tabsactiveTab

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