J—P

Limited availability — accepting new projects starting September 2026.

Merge Video and Audio with FFmpeg

This simple FFmpeg command merges a video file video.mp4 and an audio file audio.mp4 without re-encoding. It copies both streams as they are, ensuring fast processing and no quality loss.

ffmpeg -i video.mp4 -i audio.mp4 -c:v copy -c:a copy output.mp4