Protractor chrome extension

Version: 3.1.2
Easily measure angles in your browser window.
4.14 Based on 92 user rates

What is Protractor?

Protractor is a productivity chrome extension. it's a free extension and is featured in Productivity, it has 100,000+ active users since released its first version, it earns an average rating of 4.14 from 92 rated user, last update is 1199 days ago.

What’s new in version 3.1.2?

                Move the two guides around to accurately match any vertex.

Customize precision, units, colors, and more.

The protractor can be easily resized, nudged, locked, and rotated.

Code is open source on Github.            

How to install Protractor?

You could download the latest version crx file or older version files and install it.

Preview of Protractor

Technical Features:

  • Latest Version: 3.1.2
  • Requirements: Windows Chrome, Mac Chrome
  • License: Free
  • Latest update: Tuesday, February 9th, 2021
  • Author: ben.burlingham

Protractor Available languages:



Reviews of protractor:

Kalamazoo Veterans January 25th, 2023
Kalamazoo Veterans

The tool seems to be very helpful. However, the numbering system on my protractor is counterclockwise and I am unable to rectify the problem [90 is 270 and vice versa]. I've tried uninstalling and reinstalling multiple times and it appears to be the default. Please help!

Lilly Roundare December 20th, 2022
Lilly Roundare

very simple to use, if a little difficult to center exactly. but overall it helped a lot :)

Phantom - December 1st, 2022
Phantom -

It mak m gt a qustion wrong on my ixl. L xtntion

Read more review & comments of protractor