Screen Refresh Rate Detector — Free Online Tool
Detect 60Hz, 120Hz, 144Hz via rAF
Detect actual display refresh rate via requestAnimationFrame timing. Verify your 144Hz monitor is really running 144Hz.
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Screen Refresh Rate Detector
Detect actual browser refresh rate via requestAnimationFrame timing. Verify your 120Hz / 144Hz / 240Hz monitor is really running at advertised speed in this browser context.
How to use this tool
- 1
Click Run
5-second precise rAF timing analysis.
- 2
See Hz
Detected rate + frame consistency.
- 3
Verify
Compare to advertised monitor spec.
Frequently Asked Questions
Why might my 144Hz monitor show 60Hz?
How accurate is the detection?
Why does Chrome cap at 60Hz sometimes?
Key Takeaways
- Screen Refresh Rate Detector is a free, browser-based developer tool — detect 60hz, 120hz, 144hz via raf.
- No signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use Screen Refresh Rate Detector
- Open the tool: Launch Screen Refresh Rate Detector on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
Screen Refresh Rate Detector — Quick Facts
- Price
- Free — no limits, no watermarks, no paywalls
- Privacy
- 100% browser-based — no data is sent to any server
- Platform
- Any modern browser on desktop, tablet, or mobile
- Category
- Developer Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Feature | Details |
|---|---|
| Tool | Screen Refresh Rate Detector |
| Category | Developer |
| Signup Required | No |
| File Upload | None — processed in browser |
| Mobile Support | Fully responsive |
| Cost | Free forever |
Why Use Screen Refresh Rate Detector?
You should try Screen Refresh Rate Detector for a quick, private way to detect 60hz, 120hz, 144hz via raf. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.