Measure-it

Name: Measure-it
Rating: 4.384 (125 reviews)
Author: Trishul

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

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Measure-it is a fast and simple Chrome extension designed to help developers, designers, and web enthusiasts measure any element on a webpage with precision. By drawing a ruler across any webpage, users can easily check the width, height, or alignment of page elements in pixels.

The extension supports customizable keyboard shortcuts—Command+Shift+O for Mac and Alt+Shift+M for Windows/Linux, which can be adjusted via the add-on preferences. Its user-friendly interface allows quick access and customization, ensuring seamless integration into your workflow. Note that Measure-it may not work on certain sites such as addons.mozilla.org.

Add-on Developer Tools Productivity Design

By:

Trishul

Daily users:

25,189 -269

Rating:

4.38

(125)

Version:

2.2.0 Last updated: 2019-07-02

Version code:

4611228

Creation date:

2017-09-06

Risk:

Permissions:

activeTab
storage

Size:

26.53KB

Email:

tr*****@gmail.com

URLs:

Website

Full description:

Source:

Firefox Browser Add-ons

Updated:

a day ago

Ranking

# 450 ▲ 2

Other rankings

#12 in Web Development

#28 in Appearance

#6 in easy keyword 45

#8 in shift keyword 28

#11 in commands keyword 10

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Other platforms

Measure-it (v3.0.0)

70,000 3.56

(39)

Measure-it (v2.2.0)

15,744 3.70

(18)

User reviews

Users find the Measure-it Firefox add-on generally useful and technically reliable for measuring webpage elements. It is praised for its convenience and ease of use. However, some users experience issues where the tool behaves unpredictably, such as removing random sections of the page or showing unwanted pop-ups. These problems detract from the overall experience but do not overshadow its core functionality for most users.

Pros

Super useful and convenient for measuring elements on screen
Technically flawless and reliable in use
Easy to work with and brings needed functionality

Cons

Does not always work as expected, sometimes removes random parts of the page
Can cause pop-ups and unwanted screens that need to be closed

Recent reviews

by AX*****, 2025-05-19

by *****, 2025-03-31

by 远离*****, 2025-03-28

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Extension safety

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.

Measure-it 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 Browser Add-ons, 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.

Measure-it has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

Medium This extension has medium user count. Unpopular extensions may not be stable or safe.
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