Unit Converter

Simple and powerful toolbar popup with unit conversion. Supports Area, Length, Mass/Weight, Pressure, Force, Speed, Temperature, Time and Volume conversions. Convert imperial to metric and vice versa.

Unit Converter - Handy Toolbar Popup Add-On for Firefox

Unit Converter is a Firefox add-on that simplifies unit conversions. Quickly convert units in area, length, mass/weight, speed, temperature, and more right from your browser toolbar. It supports a range of metric and imperial units for a total of 121 different units of measurement. It's precise, easy to use, and a tool you won't want to browse without.
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Add-on stats

Manifest V2
Daily users: 649
8
Rating: 4.35
(17)
Version: 1.5 (Last updated: 2020-04-16)
Version code: 5006379
Creation date: 2018-07-07
Weekly download count: 10
Firefox on Android: No
Permissions:
  • storage
Size: 50.99K
Full description: See detailed description

Ranking

# 4,035 ▲ 30
Other rankings
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Other platforms

Unit converter (v1.3)
88 4.00 (4)
Not available on Android
Not available on Edge

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Very complete for usual metric conversions
  • Simple and handy user interface
  • Excellent functionality for very big or very small units
  • Highly useful and thorough unit conversions
Cons
  • Lacks context menu and unit detection
  • Decimates imperial length units, only providing pure decimal form
  • Detected as unsafe by Avast antivirus
  • Incompatibility with newer Firefox standards after updates
Most mentioned
  • User interface simplicity
  • Functionality for metric conversions
  • Concerns about safety and antivirus detection
  • Limitations with imperial conversions
User reviews
Useless, no context menu, no unit detection, even no selected number detection... It's basically a separate app in your browser with very poor ergonomics
by Frantz , 2024-08-20
by Larwick, 2024-03-25
by Larwick, 2024-03-25
View all user reviews

Add-on safety

Risk impact

Unit Converter does not require any sensitive permissions.

Risk impact analysis details
  • Low Request access to the following domains:
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Unit Converter. Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
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