Agent skill · creative production · sundial-org
ffmpeg-cli
Comprehensive video/audio processing with FFmpeg. Use for: (1) Video transcoding and format conversion, (2) Cutting and merging clips, (3) Audio extraction and manipulation, (4) Thumbnail and GIF generation, (5) Resolution scaling and quality adjustment, (6) Adding subtitles or watermarks, (7) Speed adjustment (slow/fast motion), (8) Color correction and filters.
Why this skill is useful
Adds 8 executable scripts for comprehensive video/audio processing that extend the AI's capabilities beyond basic FFmpeg usage.
What it needs
Requires ffmpeg installed locally. About 1k tokens when loaded. Last updated 2026-03-07. 639 stars on the source repository.
What this skill does
FFmpeg CLI Quick Reference Task Command ------ --------- Cut video {baseDir}/scripts/cut.sh -i <input> -s <start> -e <end> -o <output> Merge clips {baseDir}/scripts/merge.sh -o <output> <file1> <file2> ... Extract audio {baseDir}/scripts/extract-audio.sh -i <video> -o <output.mp3> Generate thumbnail {baseDir}/scripts/thumb.sh -i <video> -t <timestamp> -o <out.jpg> Create GIF {baseDir}/scripts/gif.sh -i <video> -s <start> -e <end> -o <out.gif> Convert format {baseDir}/scripts/convert.sh -i <input> -o <output.mp4> Change speed {baseDir}/scripts/speed.sh -i <input> -r <0.5-2.0> -o <output> Add watermark {baseDir}/scripts/watermark.sh -i <video> -w <image> -o <output> Scripts cut.sh - Cut video segment merge.sh - Concatenate videos extract-audio.sh - Pull audio track thumb.sh - Extract frame as image gif.sh - Convert clip to GIF convert.sh - Transcode to new format speed.sh - Adjust playback speed watermark.sh - Overlay image watermark Notes All scripts support common video formats (mp4, avi, mov, mkv, webm, etc.) Output quality is optimized for balanced file size and clarity Use -h or no args to see script usage
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sundial-org/ffmpeg-cli