Viewport Size Checker
Check browser viewport size online for free. Instantly display your current viewport width, height, device pixel ratio, and screen dimensions.
The full version of Viewport Size Checker is being built right now. We add new fully functional tools every week. In the meantime, you can use the basic workspace below.
About Viewport Size Checker
Check browser viewport size online for free. Instantly display your current viewport width, height, device pixel ratio, and screen dimensions.
This tool is completely free and runs 100% in your browser. Your data is never uploaded to any server — everything is processed locally on your device for maximum privacy and speed.
About Viewport Size Checker
Check browser viewport size online for free. Instantly display your current viewport width, height, device pixel ratio, and screen dimensions.
Features
- 100% free with no sign-up required
- Runs entirely in your browser for full privacy
- No data stored, no files uploaded to servers
- Works on desktop and mobile devices