# F2C

> Converts in-page temperatures in degrees Fahrenheit to degrees Celsius

Canonical page: [https://chrome-stats.com/d/f2c](https://chrome-stats.com/d/f2c)

## Overview

- **ID:** `f2c`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** jimcresswell2
- **Category:** appearance
- **Daily users:** 3
- **Version:** 0.1.0
- **Last updated:** 2020-02-26
- **First published:** 2020-02-26
- **Size:** 19 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/f2c/)
- **Website:** [https://github.com/jimCresswell/f2c-extension/issues](https://github.com/jimCresswell/f2c-extension/issues)

## Description

F2C is a powerful Firefox add-on that modifies text in web pages to convert temperatures in degrees Fahrenheit to degrees Celsius. It intelligently handles abbreviations, symbols, and simple temperature ranges, making it easy and convenient to view temperature in the desired unit.

## Rankings

- #56,920 — Overall
- #108 — temperature

## Permissions and access

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/f2c)