# CSS Units

> Convert px rem em vw vh between CSS unit types live

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

## Overview

- **ID:** `css-units`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Unax Willow
- **Daily users:** 5
- **Version:** 1.1
- **Last updated:** 2026-04-20
- **First published:** 2026-04-17
- **Size:** 13 KB
- **Data as of:** 2026-05-19
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/css-units/)

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension is not longer available in the store

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