MacBook Test
Check the display size, pixel ratio and input of the Mac or device you are using right now, in your browser.
Runs in your browser. Nothing is uploaded — your input is processed on this device and discarded when you close the tab.
MacBook Test
How to use this tool
- Enter your values in the fields above.
- Press Generate to see the result.
- Use Load sample to try the worked example, Copy result to copy it, or Clear to start again.
Worked example
A 2880 by 1800 screen at ratio 2 reports a high-density display and 1440 by 900 logical points.
What this tool does not do / Limits
This tool tests the device you are using right now, in this browser. It cannot test a different or remote MacBook, identify an exact model, or diagnose hardware faults.
Frequently asked questions
Can this test a MacBook I do not own yet?
No. It only reports on the device you open this page on.
What does pixel ratio mean?
It is how many physical pixels map to one logical point. A ratio of 2 or more means a high-density display.
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