Screen Size Checker vs BlankScreen

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

Screen Size Checker compared with BlankScreen
Detail	Screen Size Checker	BlankScreen
What it does	Instant screen resolution and viewport size checker for developers and designers	Free fullscreen color screens and display tools in your browser
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	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	Fullscreen mode with one click Download backgrounds as PNG in multiple resolutions Works on any device without installation
What makes it different	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	No download or signup required, loads in under a second Works as a soft light source for webcam fill light Serves as a professional light table for tracing artwork Detects monitor issues including dead pixels and backlight dimming All tools run in browser with nothing uploaded or stored
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)	23 −1 (down) since last check	35 −3 (down) since last check
Trust Flow (Majestic)	5	7
Citation Flow (Majestic)	25	24
Referring domains (Majestic)	44	22

4 details filled in for both companies.

More alternatives to Screen Size Checker More alternatives to BlankScreen