1. export with video editing software: import the downloaded huahai video into video editing software on a computer (such as AdobePremiere and FinalCutPro), and then export it according to the built-in export function of the software. When exporting, you can choose different file formats and resolutions to adapt to different devices and uses.
2. Export through online conversion tool: search for keywords such as "online video conversion" on the Internet, find an online conversion tool supporting Huahai video format, upload the downloaded video to the tool, and then select the required output format and parameters for conversion. After the conversion is completed, you can download the exported video file directly.