# ScreenRuler

> On-screen ruler to measure distances and element sizes in pixels

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

## Overview

- **ID:** `screenruler`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Ozana
- **Daily users:** 31
- **Version:** 1.2.0
- **Last updated:** 2026-03-26
- **First published:** 2026-03-23
- **Size:** 15 KB
- **Data as of:** 2026-05-19
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/screenruler/)

## Permissions and access

### Permissions

- `tabs`
- `activeTab`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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 Ruler](https://chrome-stats.com/d/screen-ruler) — 21 users
- [Screen Ruler](https://chrome-stats.com/d/screensruler) — 28 users
- [Screen Ruler Tool](https://chrome-stats.com/d/screen-ruler-tool) — 3 users
- [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
- [Pixel Measurement Tool](https://chrome-stats.com/d/pixel-measurement-tool) — 132 users
- [Page Ruler](https://chrome-stats.com/d/pageruler) — 1 users
- [PixelRuler](https://chrome-stats.com/d/pixelruler) — 29 users
- [Layout Ruler](https://chrome-stats.com/d/layout-ruler)
- [Pixel Measure](https://chrome-stats.com/d/pixel-measure) — 25 users
- [Pixel Ruler Pro](https://chrome-stats.com/d/pixel-ruler-pro) — 9 users
- [Pixel Ruler Overlay](https://chrome-stats.com/d/pixel_ruler_overlay) — 23 users

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