![]() You can read more about the details of this approach here. To compress and also convert to WebM: ffmpeg -i source.mp4 -c:v libvpx-vp9 -b:v 1M -c:a libopus -b. When the command is finished you’ll have a shiny new WebM file. Next, run the FFmpeg command on the file: ffmpeg -i input-file.mp4 -c:v libvpx -crf 10 -b:v 1M -c:a libvorbis output-file.webm. If the file is on your Desktop: cd /Desktop. Then run two passes on the video file after the log is created.įfmpeg -i your-video-file.mp4 -b:v 0 -crf 30 -pass 1 -an -f webm -y /dev/nullįfmpeg -i your-video-file.mp4 -b:v 0 -crf 30 -pass 2 output.webm Given a source video source.mp4: To compress for web at a reasonable broadband bitrate of about 1.5Mbps video / 128kbps audio: ffmpeg -i source.mp4 -c:v libx264 -b:v 1.5M -c:a aac -b:a 128k target.mp4. Convert a single video file by opening up a Terminal window and navigating to the location of your file.This setting created a great-looking video, and my WebM video ended up being 3.4MB – perfect! However, when converting an MP4 file of 8.5MB I got a WebM version that was 91.6MB – 10x larger! Instead, I recommend using -crf 30. Next, to convert your MP4 video to WebM lossless, you need to use -crf 0 in the below commands. You can convert AVI, WebM, WebM, M4V, 3GP and more with just a click. Our converter provide fastest service for free. brew install ffmpeg Step 3: Convert MP4 to WebM webm to MP4 converter let you convert any file to mp4. Using the terminal app run the following. bin/bash -c "$(curl -fsSL )" Step 2: Install FFmpeg To convert MP4 to WebM video on macOS, install FFmpeg using Homebrew. ![]()
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