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Recently I wanted to cut a video (just export few seconds of a long video).

When everything still was AVI it was easy for me and I used VirtualDub. There I could decide if I just do a keyframe cut without having to encode it again, or a frame cut with having to encode this.

Nowadays having MKV, MP4 etc. I tried Lossless Cut which just gave me a black video. Open Shots Video Editor which is too complicated for this task and where I struggle to maintain the aspect ratio of the original video. Handbrake is a bit better, but also offers too many options for that purpose.

So I ended up using Online Video Cutter. But I wonder that there isn't any open source that just works as easily as that.

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[-] FrederikNJS@sopuli.xyz 2 points 12 hours ago

AVIDemux can cut video pretty easily. It's not just for AVI files, it happily works with MKV, MP4 and many other formats.

[-] ulterno@programming.dev 0 points 4 hours ago

I used it a few times and it seems like a good choice for keyframe cuts.
For when you are re-encoding anyway, might as well go with ffmpeg.

[-] FrederikNJS@sopuli.xyz 2 points 52 minutes ago

AVIDemux happily does keyframe cuts (lossless), and also non-keyframe cuts (with a reencode). But you probably get a lot more control over the actual reencode with ffmpeg, so it all depends on whether you want the ease of use or the control.

[-] ulterno@programming.dev 0 points 12 minutes ago

Yeah.
My point was, that if you are re-encoding anyway, might as well choose all the options yourself, properly.

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this post was submitted on 21 Dec 2025
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