ToolsBox vs Screen Size Checker

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

ToolsBox compared with Screen Size Checker
Detail	ToolsBox	Screen Size Checker
What it does	All your digital tools in one box	Instant screen resolution and viewport size checker for developers and designers
Stage	Startup	Not given
Founded	2025	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Image conversion and format transformation PDF editing and manipulation Code formatting and processing Color tools and calculators Text processing tools Audio effects and filters Audio file players for multiple formats SEO tools	Screen Resolution Detection Viewport Size Measurement Device Pixel Ratio (DPR) Check Operating System Detection Browser Version Information Touch Support Detection User Agent String Display Real-time Screen Analysis
What makes it different	All processing happens locally in browser with no file uploads required	Real-time detection of browser viewport, screen resolution and device specifications without installation Helps developers create responsive websites that look great on all devices Educational resources explaining CSS pixels versus physical measurements Maintained as independent web tool kept fast, readable and useful
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	0
DR (Domain Rating by Ahrefs)	26 no change since last check	23 no change since last check
Trust Flow (Majestic)	5	5
Citation Flow (Majestic)	13	25
Referring domains (Majestic)	32	44

4 details filled in for both companies.