Screen Brightness Nits Meter

Measure screen luminance of any screen, monitor, TV, or display with your phone

Measure the brightness of any screen, monitor, TV, or display using your smartphone camera!

Designed for professionals, enthusiasts, and anyone who needs quick and intuitive screen brightness measurements.

Accuracy

The app is pre-calibrated against a professional nits meter, but for optimal accuracy on your specific device, we recommend calibrating the app using the built-in calibration feature.

Why Screen Brightness Matters

Understanding screen brightness is crucial for optimal viewing experience, eye comfort, and professional display work. Whether you're working with monitors, setting up home theaters, or ensuring proper workplace lighting, accurate brightness measurement is essential.

Key Features

📱 Real-time luminance measurements

⚖️ Calibration for optimal precision

💾 Save measurements with notes

📖 Detailed documentation for easy reference

🌐 40 languages fully supported

⚙️ Customizable settings

Measures the Brightness of

📺 TVs and monitors

💻 Computer displays

📱 Smartphones and tablets

🏢 Digital signage

🖥️ Professional monitors

💡 LCD, OLED, LED, HDR, QLED and AMOLED displays

Perfect for

📺 TV and display technicians

🎬 Video production professionals

🎮 Gaming enthusiasts

🏠 Home theater enthusiasts

🏢 Office lighting consultants

📷 Photographers and videographers

Supported Measurement Units

📏 Nits (candela per square meter, cd/m²)

📏 Foot-Lambert (fL)

📏 Stilb (sb, cd/cm²)

📏 Lambert (L)

📏 Apostilb (asb, blondel)

📏 Candela per ft² (cd/ft²)

How to Use

Simply point your device's camera directly at the screen surface you want to measure. Position your device perpendicular to the screen at a distance of no more than a centimeter or half an inch from the display surface.

Free for a Limited Time

Enjoy full functionality for a few weeks. After that, choose a one-time fee or subscription — still at a fraction of the cost of a dedicated device.

Support & Feedback

Your feedback helps us improve the app. Contact us at [email protected] for support or suggestions.