FFmpeg Online Command Examples
Use these commands in Online FFmpeg Runner to complete common tasks quickly.
Video conversion
- MP4 to WebM:
ffmpeg -i input0.mp4 output.webm - MOV to MP4:
ffmpeg -i input0.mov -c:v libx264 -c:a aac output.mp4
Trimming and cutting
- Cut by time range:
ffmpeg -i input0.mp4 -ss 00:00:05 -to 00:00:15 -c copy output.mp4
Audio extraction
- Extract MP3:
ffmpeg -i input0.mp4 -vn -c:a libmp3lame output.mp3 - Extract WAV:
ffmpeg -i input0.mp4 -vn output.wav
Compression
- H.264 with quality control:
ffmpeg -i input0.mp4 -c:v libx264 -crf 24 -preset medium output.mp4
Image operations
- Create thumbnail at 3 seconds:
ffmpeg -i input0.mp4 -ss 00:00:03 -frames:v 1 thumb.jpg