WARN: On low-end device (phone) or old version browser, incompatible problem, limited performace are inevitable. Those tools are totally client side and have no purpose to bear heavy burden. Please restrain to made the short-time result!
Series shot video frames, then choose to extract a frame as image.
Cut, rearrange video fragments.
Convert video to gif.
Convert images to gif.
GIF parameter description:
FPS: frame per seconds. Scale: scale ratio of origin image size. Speed: playback speed. Repeat: null - no loop, 0 - forever loop, >0 - loop n times. SampleInterval*: pixels to skip.