Thursday, January 22, 2026

LosslessCut 1.13

Jason Snell:

There was a time when QuickTime was more than just a playback utility; I used it frequently to perform simple video edits, like removing commercials from an off-air recording or tacking the contents of one file on the end of another.

Since those days ended with the deprecation of classic QuickTime, I’ve never really had a go-to utility for these kinds of trims.

[…]

Apple [eventually] added editing features back to QuickTime Player. […] The issue is that the final file you save is a MOV container featuring those clips, which […] means that in the end you have to re-encode the video to get a seamless mp4 file for a video podcast.

[…]

This time, I decided to look for a visual utility (i.e., not something I have to drive from Terminal) that could solve this problem. And I found it: the open-source app LosslessCut, which provides a nice interface atop the powerful FFmpeg command-line app.

Previously:

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I created Trimma.app for pretty much the same purpose: to quickly cut out parts of a video. It uses AVFoundation's passthrough encoding for super fast export. As of version 2 it even supports audio files..


@Karsten Does the audio export do passthrough encoding, so you can trim an .mp3 and save-out without re-encoding / generational loss on the file?

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