向日葵视频缓存怎么改成mp4

一、请问下载到手机上的视频怎么才能转换成MP4格式?

将手机连接电脑，使用第三方管理软件，读取手机中视频文件，导出保存至电脑。电脑安装视频转换软件，将视频转换为MP4格式。
这里以苹果手机为示例，使用”itools“管理软件，“格式工厂”视频转换软件。
操作流程：

1、电脑安装”itools"。
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2、苹果手机连接电脑，建议使用随机数据线，减少未知错误的发生。运行“itools”，等待软件识别手机后，显示连接成功界面。
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3、在“我的设备”选项卡下，左侧可管理项目列表中，选择“视频”，可以查看手机“视频”app中的所有视频，可以导出视频文件至电脑。

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4、电脑运行“格式工厂”。
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5、在“视频”中，选择“所有转到MP4”，点击添加文件。
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6、选择需转换为MP4的视频文件。
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7、点击“输出配置”，选择“质量与大小”。
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8、选择输出文件夹，可选输出至源文件目录。
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一、请问下载到手机上的视频怎么才能转换成MP4格式?

二、怎样把视频改成mp4格式