# Layout Ruler

> Measure elements on a webpage to get pixel-perfect dimensions and positioning.

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

## Overview

- **ID:** `layout-ruler`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** W88
- **Version:** 1.0
- **Last updated:** 2024-06-06
- **First published:** 2024-06-05
- **Size:** 13 KB
- **Data as of:** 2026-05-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/layout-ruler/)

## Permissions and access

### Permissions

- `activeTab`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- This extension is not longer available in the store

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