Easily measure angles in your browser window.
What is Protractor?
'Protractor' is a unique Chrome extension that transforms your browser into an accurate angle-measuring tool. It has flexible guides that can be moved around to perfectly match any vertex. It offers a range of customization options that help you tailor precision, units, colors, and more according to your preference. Features include the ability to resize, nudge, lock and rotate the protractor, providing highly accurate measurements. The code for 'Protractor' is open-source on Github, appealing to those interested in exploring or contributing to its development.
Extension stats
By: ben.burlingham
Users: 100,000+
Rating: 4.20
(105)
Creation date: 2020-01-23
Risk impact: Very low risk impact
Risk likelihood: Low risk likelihood
Manifest version: 3
Permissions:
Size: 76.16K
Email: be*****@gmail.com
Other platforms
Not available on Firefox
Not available on Edge
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Extension summary
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.
User reviews
Pros
- Super useful for measuring angles
- Simple and efficient to use
- Accurate measurements up to 4 decimal digits
- Amazing tool with a fantastic UI design
Cons
- Counterclockwise numbering that users cannot rectify
- Difficulty in centering the protractor exactly
- No color options or shade toggle
Most mentioned
- Helpful for online classes
- Needs improvements on the numbering system
- Simplicity and ease of use
User reviews
This needs some shade toggle or color options I can't see protractor itself where I need to measure
girl its not "i wish i could give 0 stars" its "i wish i could give 6 stars"
which i could give 0 stars best thing ever!
Extension safety
Risk impact
Protractor does not require any sensitive permissions.
Risk likelihood
Protractor has earned a fairly good reputation and likely can be trusted.
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Promo images
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