# Px/Rem

> A pixel to rem converter

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

## Overview

- **ID:** `px-rem`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** jgsheppa
- **Category:** web-development
- **Daily users:** 1
- **Version:** 1.0.0
- **Last updated:** 2022-01-26
- **First published:** 2022-01-25
- **Size:** 374 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/px-rem/)

## Description

Px/Rem is a Firefox add-on that allows frontend developers to easily convert between pixel and rem measurements. It also includes a copy-paste feature for quick integration into code and offers light and dark modes for better accessibility.

## Rankings

- #97,425 — Overall

## Permissions and access

### Permissions

- `tabs`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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/px-rem)