Nexx Labs

Device checks, right in your browser. No installation or account.

Tools

Available now

Screen test

Look for stuck pixels, uneven colours and motion trails.

Check physical keys on a laptop or a connected keyboard.

Draw across the screen to check touch areas and multiple fingers.

Check clicks, scrolling and pointer movement.

Check the picture and switch between available cameras.

Check the sound level, record a short clip and listen back.

Listen to the left and right channels. Start with a low volume.

Check how quickly this browser writes and reads a temporary file.

See what your browser can report and run a short performance check.

Check stability under load, with a timer and a stop button.

Speed, interruptions and connection stability under load.