You can fix and stabilize shaky videos using a free online tool. there are plenty of them, such as Online-Video-Cutter, Mp4Compress, Stabilizo, and VideoUtils. Apart from that, if you use VirtualDub, you can use a fess Deshaker plugin to stabilize your videos. There is also a dedicated free video stabilizer software that we have mentioned. Additionally, FFMPEG can also be used for stabilizing video through a command.