White Screens 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.

White Screens compared with MJJ Tools
Detail	White Screens	MJJ Tools
What it does	Full-screen white light in your browser	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	Full-screen white light display Adjustable color temperature from 2,000 K to 9,000 K Brightness control Timer functionality Keep screen on to prevent dimming Dead pixel test with five colors Refresh rate testing Keyboard shortcuts for quick access Multiple color options Download images in multiple resolutions	160+ free online tools
What makes it different	Runs entirely in browser with no app or sign-up required Works on iPhone and Android when added to home screen Completely free with no paid plans or subscriptions Customizable warmth and brightness for different uses Multiple screen test and diagnostic tools included	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	0
DR (Domain Rating by Ahrefs)	1 no change since last check	9 no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	21
Referring domains (Majestic)	0	11

3 details filled in for both companies.