A higher or lower video frame rate may cause unusual playback issue. In fact, there are some common-used main frame rate standards for video: 23.97 FPS, 24 FPS, 25 FPS, 29.97 FPS and 30 FPS. So you may find a frame rate converter to change frame rate to the standard value above. When inputting video fps converter in goolge, there may be various results including avi frame rate changer or mp4 frame rate changer. Actually, they are able to change video frame rate to many formats. The process of frame rate conversion is simple and fast.