Alternatives

Products that do what ScreenTest does

Free web-based tools for screen & monitor testing

1
ScreenBlack▲1
free browser-based display testing tools. no installs
5d ago
2
White Test Screen Check▲5
Free online white screen tool
Nov 2025 · whitetestscreencheck.com
3
White Screen Tester▲2
Test your screen for dead pixels and display issues
Jun 2026 · whitescreenstester.com
4
Multi Screen Test▲216
Test your site at different screen resolutions & devices.
2015
5
White Screen
Free browser tool to test monitors for dead pixels & more
Mar 2026 · displaymaster.dev
6
Dead Pixel Test▲3
Free online dead pixel test – check any screen in 30 seconds
Jun 2026 · deadpixel-test.online
7
DisplayTools▲2
Display testing, timers, and fullscreen browser tools
Jun 2026 · blankscreen.cc
8
PixelTest▲3
Your screen, under the microscope.
Aug 2026 · pixeltestonline.com
9
ScreenTestTool▲2
The ultimate online screen test & display diagnostics hub
Jul 2026 · screentesttool.com
10
Black Screen▲6
Display tester & full screen tool
Sep 2025
11
Screenity▲878
The most powerful screen recorder for Chrome
2020 · chromewebstore.google.com
12RA
Rainbow – an attempt to display colour on a B&W monitor▲389
2020 · anfractuosity.com
13
Mobile FIRST▲207
Smartphone and tablet simulator in the browser
2023
14
Pink Screen▲7
Professional screen tools for every need
Oct 2025
15
White Screen Full Screen▲3
Test your screen, audio, camera & browser instantly
Jun 2026 · whitescreenhd.com
16
ScreenCube▲94
Web-based app mockup toolkit
2018
17
Geo Screenshot▲102
Test your webpage from multiple locations worldwide.
2016
18
LambdaTest Chrome Extension▲191
Cross browser testing by taking full-page screenshots
2018
19
WhiteScreen▲1
White Screen – Full Bright White Screen Online Test Tool
Jul 2026 · whitescrn.com
20
White Screen Wallpaper Screen Test Tools
Fullscreen color screens for testing, lighting, and focus
Mar 2026 · whitescreenwallpaper.com
21
Screen Ruler▲124
Made to measure. Built for everything else.
Nov 2025
22
Dead Pixel Test and Fix▲3
Find and fix dead, stuck & hot pixels on any screen
Jun 2026 · deadpixeldetect.com
23
Black Screen▲6
Fullscreen focus, oled & pixel testing
2025
24
Screen Recorder▲332
A minimal, ad-free screen recorder in your browser
2020

Ranked by how close each launch is in meaning, then by votes. Refine with a description →