# Highlight Duplicate Postcodes

> Automatically highlights duplicate UK postcodes on any webpage.

Canonical page: [https://chrome-stats.com/d/highlight-duplicate-postcodes](https://chrome-stats.com/d/highlight-duplicate-postcodes)

## Overview

- **ID:** `highlight-duplicate-postcodes`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** adil sec
- **Category:** web-development,social-communication,tabs
- **Version:** 1.0
- **Last updated:** 2025-06-29
- **First published:** 2025-06-26
- **Size:** 8.42 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/highlight-duplicate-postcodes/)

## Rankings

- #147,697 — Overall

## Permissions and access

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate 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/highlight-duplicate-postcodes)