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Last active December 3, 2025 16:49
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Compress mp4 using FFMPEG
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ffmpeg-compress-mp4
$ ffmpeg -i input.mp4 -vcodec h264 -acodec mp2 output.mp4
@dennisdebel
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dennisdebel commented Oct 23, 2025

./ffmpeg -i input.mp4 -c:v libx265 -preset ultrafast -crf 28 -c:a aac -b:a 250k output.mp4

This is better for h265, it's fast and should reduce the file size by 50-70% if you want better video, change the ultrafast to fast or change the -crf to a lower number like 24

If you want to change from 4K to 1080P, add -s 1920x1080 after the -i input.mp4

h256 does not seem to work in ios safari

@Leahlilili
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Leahlilili commented Oct 30, 2025

Maybe this article can help you. It provides top 6 Video Compressors, including how to compress mp4 using FFMPEG
https://fliflik.com/video-tips/video-compressor-for-discord

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