# CSS Unit Converter

> CSS Unit Converter is a sleek Firefox extension that simplifies converting CSS units. With a modern black-and-white design, it converts between pixels, ems, rems, percentages, viewport width, and viewport height with ease.

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

## Overview

- **ID:** `css-unit-converter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Vivek Parmar
- **Category:** web-development,appearance,language-support
- **Daily users:** 4
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 1.0
- **Last updated:** 2024-08-03
- **First published:** 2024-08-02
- **Size:** 14 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/css-unit-converter/)

## Description

CSS Unit Converter

The CSS Unit Converter extension is a sleek, modern tool designed to streamline the conversion between various CSS units. With a minimalist black-and-white interface, this extension provides an intuitive and professional experience for web developers.

Key Features:

Elegant Design: Features a contemporary black-and-white color scheme, ensuring a clean and user-friendly interface.

Real-Time Conversion: Instantly convert values between pixels (px), ems (em), rems (rem), percentages (%), viewport width (vw), and viewport height (vh).

Responsive Layout: Adaptable to various screen sizes, ensuring a consistent experience across devices.

User-Friendly: Simple input fields and result cards make unit conversions quick and efficient.

The extension improves productivity by offering accurate and immediate conversions, making it an essential tool for CSS development.

## Rankings

- #46,776 — Overall
- #105 — united
- #212 — convert

## Permissions and access

### Permissions

- `activeTab`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low 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).

## Similar extensions and apps

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- [PX to VW](https://chrome-stats.com/d/px-to-vw) — 16 users, 5.00 / 5
- [Real-Time Unit Converter](https://chrome-stats.com/d/real-time-unit-converter) — 2 users
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- [Meter to CM Converter](https://chrome-stats.com/d/meter-to-cm-converter)

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