Has the following functions

Video watermarking,audio extraction,cropping,area cropping,md5 modification,continuous screenshots,adding filters,
Make gif,turn pictures into slideshows,add picture watermarks,add text watermarks,add background sounds,adjust volume,reverse playback,picture rotation and left-right reversal,noise reduction,double speed change,multiple stitching,cover modification,compression size,painting Medium picture,vertical to 16:9,16:9 to vertical,format conversion,audio format conversion,audio cropping,splicing,and tone shifting... etc.