Utilities
Viewport Size Checker
Viewport size is window.innerWidth and window.innerHeight. Resize the window to watch the values change.
How to use Viewport Size Checker
Step 1
Start
Open the tool and add your input.
Step 2
Adjust
Review the options and run the action.
Step 3
Get the result
Copy, download, or use the live result.
Viewport Size Checker features
- Live width and height
- Resize listener
- Copy values
Supported Formats / Details
Input formats
- Text
Output formats
- Pixels
Supported formats
- Text
Frequently Asked Questions
Does this include browser chrome?
innerWidth/innerHeight are the layout viewport, not the hardware display.
What about mobile URL bars?
The numbers follow whatever the browser currently reports.
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