# Pixel Distance Ruler

> Click two points on the page to measure the pixel distance between them.

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

## Overview

- **ID:** `pixel-distance-ruler`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Heizou
- **Category:** appearance
- **Daily users:** 6
- **Version:** 1.0
- **Last updated:** 2025-07-20
- **First published:** 2025-07-17
- **Size:** 10 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/pixel-distance-ruler/)
- **Website:** [https://alo789.jp.net/](https://alo789.jp.net/)

## Description

Pixel Distance Ruler is a lightweight Firefox addon designed for designers, UI testers, and developers. It allows you to quickly measure the pixel distance between any two points on a webpage with just two clicks. Once activated, simply click two points anywhere on the screen, and the addon will instantly display the straight-line distance in pixels. It's a simple yet powerful tool for verifying layouts, spacing, and alignment without opening DevTools.

## Rankings

- #41,336 — Overall
- #140 — rule

## 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).

## Similar extensions and apps

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- [Page Ruler](https://chrome-stats.com/d/page-ruler) — 3,352 users, 4.33 / 5
- [Pixel measurement](https://chrome-stats.com/d/pixel-measurement) — 47 users
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- [Easy Pixel Ruler](https://chrome-stats.com/d/easy-pixel-ruler) — 23 users
- [Trust Wallet](https://chrome-stats.com/d/pixel-ruler-tool) — 7 users, 1.38 / 5
- [Rabby Wallet](https://chrome-stats.com/d/pixels-ruler-tool) — 7 users, 2.92 / 5
- [Pixel Ruler](https://chrome-stats.com/d/pixelsruler) — 7 users, 1.00 / 5
- [Measure-it](https://chrome-stats.com/d/measure-it) — 20,923 users, 4.39 / 5
- [Page Ruler](https://chrome-stats.com/d/pageruler) — 1 users
- [Screen and Pixel Ruler Tool](https://chrome-stats.com/d/screen-and-pixel-ruler-tool) — 13 users
- [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/pixel-distance-ruler)