toololis
Terug Terug to Developer

Scherm Verversingssnelheid Detector — Gratis online tool

Detecteer 60Hz, 120Hz, 144Hz via rAF

Detecteer werkelijke verversingssnelheid via requestAnimationFrame timing. Verifieer of je 144Hz monitor echt op 144Hz draait.

Click to run timing test.
📚
Meer weten

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. 1

    Click Run

    5-second precise rAF timing analysis.

  2. 2

    See Hz

    Detected rate + frame consistency.

  3. 3

    Verify

    Compare to advertised monitor spec.

Frequently Asked Questions

Why might my 144Hz monitor show 60Hz?
Display setting in OS, not just monitor capability. macOS often defaults to 60Hz even on ProMotion. Windows: Display Settings → Advanced → set 144Hz. Some HDMI cables max at 60Hz.
How accurate is the detection?
requestAnimationFrame fires at ≤display rate. After 300+ frames the average converges to true Hz ±0.5. Power-saving mode and other browser tabs can throttle below true rate.
Why does Chrome cap at 60Hz sometimes?
Battery saver, low power mode, or background tab throttling. Foreground tab + plugged in = full rate. Brave/Edge similar.

Belangrijkste punten

  • Screen Refresh Rate Detector is a free, browser-based developer tool — detect 60hz, 120hz, 144hz via raf.
  • Nee 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

  1. Open the tool: Launch Screen Refresh Rate Detector on Toololis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

Screen Refresh Rate Detector — Quick Facts

Prijs
Gratis — geen limieten, geen watermerk, geen paywall
Privacy
100% in de browser — geen data verlaat je apparaat
Platform
Elke moderne browser — desktop, tablet of mobiel
Categorie
Developer Tools on Toololis
Offline
Works offline after first visit (Progressive Web App)
FunctieDetails
ToolScreen Refresh Rate Detector
CategorieDeveloper
Aanmelden vereistNee
Bestand uploadenGeen — verwerkt in browser
Mobiel ondersteundVolledig responsive
KostenVoor altijd gratis

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.

You might also like

🔒
100% Privacy. Deze tool draait volledig in je browser. Je gegevens worden nooit naar een server geüpload.