Resolution Checker
Check screen resolution, DPR, and viewport size.
Resolution Checker â Coming Soon
This is where the resolution checker interface will be embedded. Replace this <div class="tool-placeholder"> block in gpu-checker/resolution-checker/index.html with your tool's HTML, CSS, and JavaScript.
How to Use the Resolution Checker
- Open this page in any modern browser (Chrome, Edge, Firefox, Safari).
- Connect or prepare your hardware as required by the test.
- Follow the on-screen instructions inside the tool above.
- Read the results â they update live as you interact.
- Re-run the test as many times as you need; nothing is saved.
What This Tool Checks
- Accurate, real-time measurements straight from your browser.
- No software installation, no driver setup.
- Works across desktop and supported mobile devices.
- Privacy-friendly â all data stays on your device.
About the Resolution Checker
The resolution checker is a free utility for anyone who wants to verify their hardware quickly. Whether you're diagnosing a problem, comparing devices, or just curious about your specs, this tool gives you a clean, no-nonsense readout in seconds.
Tips for Accurate Results
For the most reliable readings, close other resource-heavy programs, plug your device directly into the computer (avoid USB hubs where possible), and run the test more than once to confirm. If something looks off, our guides section covers the most common gotchas.