Converts and trims video and audio files using the locally installed ffmpeg binary.
Operations:
convert <input> <output> — re-encode to a different format (e.g. mp4 → webm)
trim <input> <start> <duration> <output> — cut a segment (HH:MM:SS format)
extract-audio <input> <output.mp3> — extract the audio track as MP3
thumbnail <input> <time> <output.jpg> — capture a frame as JPEG
All operations are local. No files are uploaded to external services.
1---2name: ffmpeg-wrapper3description: ffmpeg-wrapper4---5# ffmpeg-wrapper67Converts and trims video and audio files using the locally installed `ffmpeg` binary.89<ffmpeg-wrapper>10Use this skill to transcode media files. Requires `ffmpeg` to be installed.1112Operations:13- `convert <input> <output>` — re-encode to a different format (e.g. mp4 → webm)14- `trim <input> <start> <duration> <output>` — cut a segment (HH:MM:SS format)15- `extract-audio <input> <output.mp3>` — extract the audio track as MP316- `thumbnail <input> <time> <output.jpg>` — capture a frame as JPEG1718All operations are local. No files are uploaded to external services.19</ffmpeg-wrapper>
Run npx skillmds@latest add ondrej-merkun/ffmpeg-wrapper in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.
ffmpeg-wrapper It is listed under Coding & Dev Tools on SkillMD.
This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.
This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.
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ondrej-merkun (@ondrej-merkun) published this skill. Their other Agent Skills are listed on their SkillMD profile.
ondrej-merkun