# Screen Ruler Tool

> Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

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

## Overview

- **ID:** `screen-ruler-tool`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Kairo Soneu
- **Daily users:** 3
- **Weekly downloads:** 2
- **Version:** 1.0
- **Last updated:** 2026-02-03
- **First published:** 2026-02-01
- **Size:** 15 KB
- **Data as of:** 2026-03-18
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/screen-ruler-tool/)

## Permissions and access

### Permissions

- `activeTab`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High 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 is not longer available in the store

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

## Similar extensions and apps

- [Screen and Pixel Ruler Tool](https://chrome-stats.com/d/screen-and-pixel-ruler-tool) — 13 users
- [Screen and Pixel Ruler](https://chrome-stats.com/d/screen-and-pixel-ruler) — 7 users
- [Rabby Wallet](https://chrome-stats.com/d/pixels-ruler-tool) — 7 users, 2.92 / 5
- [Trust Wallet](https://chrome-stats.com/d/pixel-ruler-tool) — 7 users, 1.38 / 5
- [Pixel Ruler](https://chrome-stats.com/d/pixelsruler) — 7 users, 1.00 / 5
- [Page Ruler Tool](https://chrome-stats.com/d/page-ruler-tool) — 1 users
- [Measure-it](https://chrome-stats.com/d/measure-ithjh) — 59 users, 5.00 / 5
- [ScreenRuler](https://chrome-stats.com/d/screenruler) — 31 users
- [Page Ruler](https://chrome-stats.com/d/pageruler) — 1 users
- [Screen Ruler](https://chrome-stats.com/d/screen-ruler) — 21 users
- [Pixel Measurement Tool](https://chrome-stats.com/d/pixel-measurement-tool) — 132 users
- [Page Ruler](https://chrome-stats.com/d/page-ruler-spy) — 11 users

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