Address bar math

Do super fast math in the address bar with support for all sorts of functions! Just type "m@ " in the address bar and then your equation. Brings Firefox's address bar's functionality closer to Chrome's omnibox.

Address bar math - Fast math in your Firefox address bar

Address bar math is a Firefox add-on that allows you to do super fast math in the address bar. With support for various functions, it brings Firefox's address bar closer to Chrome's omnibox.

Add-on stats

Users: 19
Rating: 5.00
(5)
Version: 1.2 (Last updated: 2023-04-05)
Creation date: 2019-04-11
Weekly download count: NaN
Firefox on Android: No
Risk impact: Very low risk impact
Risk likelihood:
Manifest version: 2
Size: 158.76K
URLs: Website

Other platforms

Not available on Chrome
Not available on Android
Not available on Edge
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Add-on summary

Supports most standard operations. Do note that it struggles with floating point operations so sin(3.1415926535897932) will be a really really really small number instead of zero.

The only permissions this addon has is to read the omnibox whenever you type m@. You are free to audit the source code at the GitHub link below.

Logo credit to Fabián Alexis. The logo is licensed under the CC BY-SA 3.0 license.

User reviews



This has high accuracy and feels like the Google Chrome omnibox's math functionality. Very good.
by horsey_guy, 2024-04-08
View all user reviews

Add-on safety

Risk impact

Address bar math does not require any sensitive permissions.

Risk likelihood

Address bar math has earned a fairly good reputation and likely can be trusted.

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