# Page Ruler Tool

> Draw a ruler to measure elements on any webpage.

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

## Overview

- **ID:** `page-ruler-tool`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Yina Cumi
- **Category:** other
- **Daily users:** 1
- **Version:** 1.2
- **Last updated:** 2025-05-24
- **First published:** 2025-05-21
- **Size:** 14 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/page-ruler-tool/)
- **Website:** [https://vankhanhtv.net/](https://vankhanhtv.net/)

## Description

Draw a ruler to measure elements on any webpage.

## Rankings

- #118,095 — Overall

## Permissions and access

### Permissions

- `activeTab`

### 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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- [Better Page Ruler](https://chrome-stats.com/d/better-page-ruler) — 35 users, 5.00 / 5
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- [Page Ruler Plus](https://chrome-stats.com/d/page-ruler-plus) — 14 users

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