ScreenSize.net vs MJJ Tools

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ScreenSize.net compared with MJJ Tools
Detail	ScreenSize.net	MJJ Tools
What it does	Live screen size checker and display comparison tools	160+ free online tools and utilities for calculations, conversions, and productivity
Stage	Not given	Startup
Founded	Not given	2024
Based in	Not given	Not given
Pricing model	Free	Not given
Pricing	Not given	Not given
Key features	Live browser screen dimension detection Physical screen measurement in inches Screen comparison tool with size visualization PPI and aspect ratio calculators Source-backed device specification charts Device pixel ratio detection TV size calculator Online ruler tool Manufacturer-sourced device database	160+ free online tools
What makes it different	Local browser processing with no personal data storage Manufacturer-verified device specifications Comprehensive screen measurement for design and development True-size visual comparison without subjective estimates Distinction between CSS pixels, viewport, and native resolution	Instant access without downloads, installations, or registration required
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	1
DR (Domain Rating by Ahrefs)	26 +1 (up) since last check	9 no change since last check
Trust Flow (Majestic)	4	0
Citation Flow (Majestic)	31	21
Referring domains (Majestic)	141	11

3 details filled in for both companies.