Refresh-rate analysis
Calculate refresh rate, jitter, and dropped-frame statistics from frame intervals.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
Frame intervals (ms)
Analysis
Calculated from the supplied intervals.
Enter frame intervals to analyse
: 0 · : 0 · : 0
What this tool does
- Compare frame-time stability.
- Analyse dropped frames.
Example
Input
8.33 8.33 8.33
Output
帧数 / Frames: 3（展示时长 5 秒） 实测刷新率 / Measured refresh rate: 120.0 Hz 帧间隔中位数 / Median frame time: 8.33 ms · 平均 8.33 ms 帧间隔范围 / Frame time range: 8.33–8.33 ms（120.0–120.0 Hz） 1% 低帧 / 1% low: 120.0 Hz · p99 120.0 Hz 抖动 / Jitter (MAD): 0.00 ms 掉帧 / Dropped: 0 帧（0.00%）· 长帧 > 20 ms: 0 帧 分布 / Distribution: 快 0 · 正常 3 · 慢 0 帧时间图（每列一帧，越高越慢）/ Frame time chart: ███
Use recorded frame intervals; no real display is accessed.
Frequently asked questions
Does it need display permission?
No.
What is the unit?
Milliseconds.
Are commas supported?
Yes, as well as spaces and semicolons.
Keywords：刷新率refresh rate帧间隔