Refresh Rate Test – Check Your Screen Hz
Frames per secondReady
- Runs locally, nothing uploaded
- Allow permissions when asked
- Some sensors need a phone
- Runs inside your browser
- No upload, no account
- Nothing saved after you close
Monitor refresh rate checker
This refresh rate test measures your screen’s current refresh rate in Hz. The browser draws a frame on every screen refresh, and counting them gives the rate.
Why it shows 60 Hz
The display mode is set to 60, the cable limits bandwidth, or battery saver caps the rate.
Setting the refresh rate
Windows: Settings → System → Display → Advanced display.
How to Use the
Refresh Rate Test
- 01
Wait
keep the tab visible for 2 seconds.
- 02
Read
the number is your refresh rate.
- 03
Check
if it shows 60 on a 144 Hz monitor, change display settings.
- 04
Cable
use DisplayPort or HDMI 2.0+ for high rates.
Why it shows 60 Hz
The display mode is set to 60, the cable limits bandwidth, or battery saver caps the rate.
Setting the refresh rate
Windows: Settings → System → Display → Advanced display. macOS: System Settings → Displays → Refresh rate.
Refresh rate FAQ
Hz versus FPS
Hz is how often the screen redraws; FPS is how often software produces frames.
Motion demos
The moving dot shows smoothness; at higher Hz it looks less blurry.
Motion examples
What the moving examples show
A moving object looks smoother and less blurred at higher refresh rates; compare 60 Hz and 144 Hz screens side by side.
Related guides and fixes
Learn more in these guides: Webcam not working, Keyboard ghosting explained, Fix mouse double clicking, Webcam settings.
Frequently Asked Questions
Q.Why does it fluctuate?
Background load or variable refresh rate.
Q.Multiple monitors?
It measures the screen showing the tab.
Q.Is anything uploaded?
No. Everything runs locally in your browser.