From：
https://www.hi-pda.com/forum/viewthread.php?tid=2318378&extra=&page=1
作者
http://www.biggmatt.com/winff/
WinFF is free video converter for Win Xp to Win 10, Debian, and Ubuntu. WinFF has been used around the world to help people post their videos on the internet despite repressive regimes.
WinFF 1.5.5 is mostly just a cleaned up and repacked winff 1.5.4 for possibly the final version.
软件页面
点页面右上角的 WinFF Downloads Windows 1.5.5 (VideoHelp)，跳转到videohelp页面下载即可
https://www.videohelp.com/software/WinFF
D版网友体验说明
其实就是ffmpeg命令的图形化，这个网站站长是winff的两位作者之一
从昨天试用到今天，我只是把大段电影视频切成小段(不转格式、不转码率)，用起来比较方便，速度也快，分割后原画质无损
稍遗憾的是，不能切到帧，不算足够精准，也不能简单加水印
我以前用会声会影切，倒是能切到帧，但即便原格式发布出来后，有些页面还是会掉色块