Punycode Warning
Alert user when they visit a punycode domain.
As of June 2026, Punycode Warning has 60 users and a 3.67/5 rating from 3 reviews in the Privacy & Security category.
Usersup 15.4 percent+15.4%
60
60
Ratingno change0%
3.67
3 reviews
Reviewsno change0%
3
Version
1.0
Manifest V3
History
3 snapshotsTracking since Apr 23, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 23, 2026 | 52 | 3.67 | 3 | 1.0 |
| May 13, 2026 | 51 | 3.67 | 3 | 1.0 |
| Jun 8, 2026 | 52 | 3.67 | 3 | 1.0 |
| Now | 60 | 3.67 | 3 | 1.0 |
Permissions & access
- Permissions
- tabsactiveTab
- Host access
- None declared
Screenshots
About
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.
Technical
- Version
- 1.0
- Manifest
- V3
- Size
- 194KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- iokbgmgicompnicikpnkighoenphghfb
- Developer ID
- u3d8536d6eade503636a55b6892215e6a
- Developer Email
- [email protected]
- Created
- Feb 13, 2025
- Last Updated (Store)
- Feb 13, 2025
- Last Scraped
- Jun 8, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- —
Similar extensions
Alternatives to Punycode Warning, ranked by description similarity.
Unicode Domain Warning
Shows a warning when visiting a domain with Unicode characters, and displays the non-Unicode "Punycode" version of the domain.
5.0K
★ 5.0
IDNblock Punycode Filter
Protect yourself from phishing attacks by automatically blocking internationalized domain names (IDNs) that use Punycode encoding.
50
URL Basic Auth Warning
Displays a warning when you are about to visit a URL that contains basic auth credentials, to help prevent phishing attacks.
904
★ 3.0
PhishFence Lite
Detects Punycode, OFAC, and risky TLDs — all 100% offline and privacy-first.
1
★ 5.0
CheckupSite
We check if the websites you visit are safe
8
★ 5.0
PhishGuard
Lightweight phishing detection extension
5
TypoProtect
Advanced protection against phishing, typosquatting and homograph attacks with daily updated database.
63
★ 5.0
PromptGuard - Sensitive Data Guardian
An extension that detects and redacts sensitive information in AI chat prompts to protect data leakage.
1
★ 5.0
Data sourced from the Chrome Web Store · last verified Jun 8, 2026.