Screen Resolution Checker

Check your screen resolution and device details.

What your screen details mean

This page reads your device and browser to show screen resolution, the visible browser window size, pixel ratio and colour depth. Developers use it to test responsive layouts, and designers check it before exporting images or wallpapers.

Terms explained

  • Resolution: total pixels, such as 1920 x 1080 (Full HD).
  • Viewport: the area of the browser window that shows the page.
  • Device pixel ratio: how many physical pixels make one CSS pixel; 2 or 3 on sharp phone screens.

Using the result

Pick a wallpaper that matches your resolution to avoid blur. When designing a website, test common widths such as 360, 768 and 1366 pixels. Remember that the reported resolution may be scaled by your operating system settings, so a laptop can show a smaller number than its real panel.

Screen Resolution Checker for site owners

Check your screen resolution and device details. Screen Resolution Checker saves a trip to separate developer or webmaster software, gives you a quick way to test before changes go live, and works without installing plugins or extensions.

How to use it

  1. Enter the page, text or value you want to work with.
  2. Run the tool.
  3. Copy or download the output and use it on your site.

Where it fits in your workflow

While preparing a new post you use Screen Resolution Checker to get the technical details right before publishing.

After you place the output on your site, test the live page once to confirm everything works as intended. Search engines decide how pages are shown, so treat the output as a helpful input rather than a guarantee.

At a glance

  • Category: Network & SEO
  • Type: SEO and webmaster tool
  • You enter: a few simple details
  • You get: ready-to-use output you can copy into your site
  • Works on: phones, tablets and computers, directly in the browser

Quick tips

  • Test the output on one page before using it site-wide.
  • Keep titles and descriptions written for people first.
  • Check the live page again after you publish the change.

This page is meant for anyone looking up “my screen resolution”, “what is my screen size”, “viewport size”, and “device pixel ratio”. Whatever the exact wording, the need is usually the same: a quick, reliable result without extra software.

Frequently asked questions

What does Screen Resolution Checker do?

It is a SEO and webmaster tool that takes your input on this page and gives you ready-to-use output you can copy into your site.

What do I need to enter?

Only a few simple details, which the page asks for step by step.

Is Screen Resolution Checker what I need if I am searching for “my screen resolution”?

Yes, if you want a quick answer without installing anything. Searches like this usually come from someone with exactly that need, and the fields on this page are built for it.

Is Screen Resolution Checker what I need if I am searching for “what is my screen size”?

It can be. Check the fields on this page and the result it gives; if they match what you are trying to do, you are in the right place.

Is my input sent to a server?

No. This tool runs inside your browser, so what you type or select is not sent to our server for processing.

Does it work on a phone?

Yes. The page adapts to phone, tablet and computer screens, so you can use it wherever is convenient.

More utilities for webmasters: What Is My IP, Password Strength Checker, and Ping URL Checker.

Further reading from trusted sources

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#screen resolution checker#my screen resolution#what is my screen size#viewport size#device pixel ratio

Last updated: 15 Nov 2026 • 100% free • Mobile friendly

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