What Is My Screen Resolution: How to Use It, Tips and FAQs
Published 6 November 2026 by Kloora Tools
Quick answer: What Is My Screen Resolution: See your screen resolution, browser window size, pixel ratio, time zone and browser details instantly. Everything runs in your browser, so nothing you enter is uploaded or stored.
This guide shows what the What Is My Screen Resolution does, how to use it and what to watch for. See your screen resolution, browser window size, pixel ratio, time zone and browser details instantly.
What the What Is My Screen Resolution does
See your screen resolution, browser window size, pixel ratio, time zone and browser details instantly. Free, instant and private. No signup, no download. It runs in your browser, so what you type stays on your device.
Why is my window size different from my screen? The window size is the visible browser area. The screen size is the full display.
How to use it, step by step
- Open the tool and enter your input.
- Adjust the options and watch the result update.
- Copy or download what you need.
Open the What Is My Screen Resolution in a new tab, follow these steps and keep this page beside it.
Questions this tool answers
Where can I use a free screen resolution checker?
Use the What Is My Screen Resolution. See your screen resolution, browser window size, pixel ratio, time zone and browser details instantly.
What is the easiest way to work out my screen size?
The What Is My Screen Resolution covers this. Enter your details, read the result and compare it with your own case. How many device pixels draw one CSS pixel. 2 means a high density display.
What is my browser?
The What Is My Screen Resolution covers this. Enter your details, read the result and compare it with your own case. Yes. It is free, needs no signup and works on any device.
Where can I use a free viewport size checker?
The What Is My Screen Resolution covers this. Enter your details, read the result and compare it with your own case.
Who it helps
The What Is My Screen Resolution is made for anyone who needs a small job done fast, on a phone or a computer, without installing anything. It works on a phone, a tablet and a computer.
What you get
- Free, no signup
- Runs in your browser, nothing is uploaded
- Works on phone and desktop
- No watermark
Tips for good results
- Use the preview or the result box to check the output before you copy or download it.
- Keep the original input until you are happy with the result.
- If the output looks wrong, clear the fields and try a smaller sample first.
Try it now
Open the free What Is My Screen Resolution. If you need something related, browse the Kloora Tools home page or the tools listed at the end of this guide.
Frequently asked questions
Why is my window size different from my screen?
The window size is the visible browser area. The screen size is the full display.
What is the pixel ratio?
How many device pixels draw one CSS pixel. 2 means a high density display.
Is the What Is My Screen Resolution free?
Yes. It is free, needs no signup and works on any device.
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