FFmpeg Command Generator

1. Video Conversion

Convert a video file to another format (e.g., MP4, MKV, MOV, WEBM, AVI, GIF, 3GP, FLV, MPG, M4V).

Input Format: MP4 MKV MOV WEBM AVI 3GP FLV MPG M4V Output Format: MP4 MKV MOV WEBM AVI GIF 3GP FLV MPG M4V

ffmpeg -i input.mp4 -c:v copy -c:a copy output.mkvCopy

Note: For large files (>1GB) or if re-encoding is needed, replace -c:v copy with -c:v libx264 -crf 23 -preset fast.

2. Audio Extraction

Extract audio from a video to formats like MP3, AAC, WAV, FLAC, ALAC, OGG, OPUS, AC3, EAC3, DTS, or TrueHD.

Input Format: MP4 MKV MOV WEBM AVI 3GP FLV MPG M4V Output Format: MP3 AAC WAV FLAC ALAC OGG OPUS AC3 EAC3 DTS TrueHD

ffmpeg -i input.mp4 -vn -acodec mp3 output.mp3Copy

3. Subtitle Export

Extract embedded subtitle files (e.g., SRT, ASS, VTT) from a video.

Input Format: MP4 MKV MOV WEBM AVI 3GP FLV MPG M4V Output Format: SRT ASS VTT

ffmpeg -i input.mp4 -map s:0 output.srtCopy

4. Add Subtitles

Embed subtitles into a video, supporting formats like SRT, ASS, or VTT.

Input Format: MP4 MKV MOV WEBM AVI 3GP FLV MPG M4V Subtitle Format: SRT ASS VTT

ffmpeg -i input.mp4 -vf subtitles=subs.srt -c:v libx264 -c:a copy output.mp4Copy

5. Batch Video Conversion

Convert multiple video files to a specified format.

Input Format: MP4 MKV MOV WEBM AVI 3GP FLV MPG M4V Output Format: MP4 MKV MOV WEBM AVI GIF 3GP FLV MPG M4V

for i in *.mp4; do ffmpeg -i "$i" -c:v copy -c:a copy "${i%.*}.mkv"; doneCopy

6. Batch Audio Extraction

Extract audio from multiple videos to a specified format.

Input Format: MP4 MKV MOV WEBM AVI 3GP FLV MPG M4V Output Format: MP3 AAC WAV FLAC ALAC OGG OPUS AC3 EAC3 DTS TrueHD

for i in *.mp4; do ffmpeg -i "$i" -vn -acodec mp3 "${i%.*}.mp3"; doneCopy