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Monitor Refresh Rate Test (Hz) When To Use

Last reviewed: 2026-07-21

Open Monitor Refresh Rate Test (Hz) when you want a quick in-browser estimate of how often the display is painting - without installing a desktop utility.

When it fits

A new monitor is set to 144 Hz and you want a sanity check. Motion looks stuttery and you want a number. You prefer a tab test with no account.

What to expect

Start measuring, keep the tab visible, and read the Hz estimate plus average frame delta. Stop freezes the last reading. Nothing is uploaded.

For the exact clicks, see the step-by-step guide.

← Back to device test tools

Last updated: Jul 21, 2026

Reviewed by the Free Tool Online editorial team · Tested in the current versions of Chrome, Firefox, Safari, and Edge before publishing. No account is needed to use any tool. Report a bug - we triage within 72 hours. · Last refreshed April 2026.

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