PX to REM Converter

by chbary1 · remtopxonline.com · Developer Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Instantly convert pixel values to REM with a custom base font size. Fast, clean, and built for developers. No ads, no tracking.

Users

−2 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#246K

#206K among extensions

Version

1.0.0

updated 16 Apr 2026

Users

monthly, 6 months

Latest, 16 Oct 2026: 5 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 16 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About PX to REM Converter

PX to REM Converter — your developer toolbar shortcut for instant CSS unit conversion. Stop the mental gymnastics. Click the icon, type a pixel value, and instantly see the REM equivalent — right from your Chrome toolbar. ⚡ What it does Type any pixel value and the extension immediately shows you the exact REM equivalent based on your configured root font size. The default is 16px — matching the browser — but you can set your project's actual base and it's remembered automatically. 🛠 Features - Real-time conversion — result updates as you type - Configurable root font size (10px, 16px, 18px — your call) - Quick-pick buttons for common values like 8, 12, 16, 24, 32 - Reference table with 20 pre-calculated PX/REM pairs - One-click copy to clipboard - Formula display so you always see the math - Works fully offline — no internet ever needed 🔒 Zero data collection. No analytics, no tracking, no network requests, no ads — ever. The only permission used is storage, to remember your root font size locally.