ScreenLab
Professional display testing tools for any screen. Test your display's performance instantly - monitors, laptops, smartphones, tablets.
⭐ Recommended Tests
Start with these essential display tests
Dead Pixel Test
ESSENTIALCheck for dead or stuck pixels across your entire screen
Uniformity Test
POPULARCheck backlight bleeding and IPS glow
Refresh Rate Test
GAMINGMeasure actual refresh rate and detect frame skipping
🔬 All Display Tests
Complete toolkit for professional display testing
Dead Pixel Test
Check for dead or stuck pixels across your entire screen
Gamma Calibration
Test gamma correction and grayscale accuracy
Contrast Ratio Test
Test contrast ratio and brightness uniformity with 20 gradient patterns
Response Time Test
Measure pixel response time for gaming performance
Burn-in Test
Detect OLED burn-in and image retention with 6 patterns
Uniformity Test
Check backlight bleeding, IPS glow, and brightness uniformity
Refresh Rate Test
Measure actual refresh rate and detect frame skipping
Screen Info
Get detailed information about your screen - resolution, PPI, color space
Viewing Distance Calculator
Calculate optimal viewing distance based on THX/SMPTE standards
Text Clarity Test
Test font rendering, subpixel clarity, and multilingual text quality
Multi-Screen Alignment
Align dual/triple monitors - test edges, colors, and grid alignment
Color Temperature Test
Test color temperature and white balance - 7 presets from 9300K to 2700K
Backlight Bleed Test
Detect backlight bleeding and light leakage around screen edges
Gradient Banding Test
Test for gradient banding and posterization with 5 patterns in 7 colors
HDR Test
Test HDR10 support, peak brightness, and wide color gamut (P3, Rec.2020)
Flicker Test (PWM Detection)
Detect PWM flicker and screen flickering with camera method - 7 test patterns
Input Lag Test
Measure response time and input latency - click and keyboard tests with accuracy tracking
Viewing Angle Test
Test viewing angles and identify panel type (IPS/VA/TN) - 6 test patterns
Why ScreenLab?
Universal Testing
Works on any screen - desktop monitors, laptops, tablets, smartphones, and smart TVs.
Professional Grade
Industry-standard tests for color accuracy, gamma correction, and display uniformity.
Instant Results
No downloads or setup required. Run professional display tests instantly in your browser.
🚀 Quick Start
Choose your use case and get personalized test recommendations
Ready to test your screen?
Professional display testing tools for any device, anywhere.
Browse All Tests