# PunyCodeChecker

> PunyCodeChecker protects users from Homograph Attack. It will prompt a warning page when the visited domain name contains non-ASCII characters. Users can clear the exempted URLs by clicking on the plugin icon.

Canonical page: [https://chrome-stats.com/d/punycodechecker](https://chrome-stats.com/d/punycodechecker)

## Overview

- **ID:** `punycodechecker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** NCIIPC India
- **Category:** privacy-security,alerts-updates
- **Daily users:** 24
- **Rating:** 5.00 / 5 (3 ratings)
- **Version:** 2.0
- **Last updated:** 2020-01-13
- **First published:** 2020-01-06
- **Size:** 48 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/punycodechecker/)

## Description

PunyCodeChecker is a Firefox add-on that protects users from Homograph Attacks by displaying a warning page when a domain name contains non-ASCII characters. Users can easily clear exempted URLs by clicking on the plugin icon.

## Rankings

- #22,381 — Overall
- #184 — checker
- #202 — code

## Permissions and access

### Permissions

- `storage`
- `webRequest`
- `webRequestBlocking`
- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/punycodechecker)