Tools
FPS Checker: measure the current browser frame rate, check monitor refresh timing, and compare motion without installing software or creating an account.
Free Online FPS Test | Real-Time Frame Rate Checker
Run a free browser FPS test. Measure the current frame rate, compare motion with a three-lane visualization, and inspect frame timing without a download.
Free Online FPS Test | Real-Time Frame Rate CheckerOnline Monitor Test for Dead Pixels, Colors and Screen Quality
Check your monitor, laptop, phone or TV display with full-screen patterns for dead pixels, gradients, contrast, sharpness and motion clarity.
Online Monitor Test for Dead Pixels, Colors and Screen QualityRefresh Rate Test - Check Your Monitor Hz Online
Measure your screen refresh rate in real time. Check whether your monitor is running at 60Hz, 120Hz, 144Hz, 165Hz, 240Hz or higher without installing software.
Refresh Rate Test - Check Your Monitor Hz OnlineFrame Time Test - Detect Stutter and Frame Pacing Spikes
Run a live frame time test in your browser. Visualize frame pacing, detect timing spikes and understand why stable frame times matter more than peak FPS.
Frame Time Test - Detect Stutter and Frame Pacing SpikesFPS Comparison - Compare 30, 60, 120 and 144 FPS
Compare multiple frame rates side by side. See the visible difference between 30 FPS, 60 FPS, 120 FPS, 144 FPS and higher refresh rates.
FPS Comparison - Compare 30, 60, 120 and 144 FPS