Download the zip file of the latest version (V4.3.3 released on ). Open Windows Powershell from the start menu, and start with the compression command-line in FFmpeg. For Windows users, Windows Powershell is recommended over Command-Line. If you haven't installed FFmpeg on your computer, here's how to download FFmpeg and finish the setup process on your computer. Set up FFmpeg on Windows, macOS, or Linux How to Reduce Video Size with FFmpeg (Command-Line)ġ. How to Compress Video using FFmpeg in Python How to Reduce Video Size in FFmpeg (Command-line) If you can't handle FFmpeg, or FFmpeg compression performance is not satisfying, try the FFmpeg alternative below. You can also reduce video size using FFmpeg in Python. Start with the common-line examples below using FFmpeg. To compress videos in FFmpeg, you should make sure the common-line is right. Tried changing bit rate ffmpeg -i input.mp4 -b 1000000 output.mp4, also tried ffmpeg -i input.mp4 -vcodec libx265 -crf 20 output.mp4 Tried changing -crf between 18 to 24, used both libx264,265 but it all resulted in nearly same output size, sometimes it even got bigger instead of smaller." 
"I have a 1080p video 3 minutes long and want to bring it down to 100MB in size.
Forums like StackExchange and superuser are flooded with questions about compressing video in FFmpeg. For novice users, however, it's difficult to get started with FFmpeg. FFmpeg Guide - How to Reduce Video File Size with FFmpegįFmpeg can compress video size on Windows, macOS, or Linux for YouTube, Facebook, Instagram, email, etc.
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