Page Ruler

Name: Page Ruler
Rating: 4.3333 (9 reviews)
Author: Leonardo

By: Leonardo

Measure page elements size in pixel with an easy-to-use ruler.

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Features & Capabilities

Page Ruler is a handy Chrome extension designed for web designers, developers, and anyone who needs to measure webpage elements accurately. It lets you draw a rectangular ruler directly on any webpage, displaying width, height, start, and end positions all in pixels. The ruler adjusts dynamically as you move your mouse or use touch on supported devices, updating all measurements in real-time.

Activate or deactivate the tool easily via the toolbar button, making it intuitive and efficient for quick measurements. Whether you're checking element sizes or spacing, Page Ruler streamlines the task with an easy-to-use interface, supporting both mouse clicks and touch input. For feedback or feature requests, users can visit the homepage to submit bug reports or suggestions.

User Growth & Download Statistics

Add-on Developer Tools Design

By:

Daily users:

Rating:

Version:

0.1.7 Last updated: 2026-04-14

Version code:

6220019

Creation date:

2021-05-27

Risk:

Permissions:

Size:

315.96KB

Email:

le*****@gmail.com

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-18

Compare stats and ranking:

Ranking

# 1,518 ▼ 6

Other rankings

#120 in Tabs

#169 in Web Development

#237 in Other extensions ▲ 2

#238 in Appearance

#6 in rule keyword 8

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Other platforms

Page Ruler (v0.1.7)

500,000 3.92

(101)

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Leonardo

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/page-ruler/

Email:

le*****@gmail.com

Website:

https://mybrowseraddon.com/page-ruler.html

Permission Change History

2024-11-09: Version 0.1.0 → 0.1.5

Add Permissions: scripting

User Reviews

удобно, что всё под рукой и не мешает

by Pa*****, 2026-03-29

Doesn't work as intented with new HTML features likes dialog or popover. Also doesn't work with stopped debugger which kinda defeats the purpose for a webdeveloper.

by Fi*****, 2025-10-13

by 天灭*****, 2025-03-29

View all user reviews ›

Is Page Ruler Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Page Ruler does not require any sensitive permissions.

Risk impact analysis details

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Page Ruler is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
Medium **** ********* *** ******* ** *** **** * ******* *** ******* *** *** ** ****** ** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
Good **** ********* *** **** **** *******