ffmpeg-usage

Convert, edit, compress, and transcribe media files with FFmpeg.

333|83|Updated Jan 9, 2026
One-click install
npx skills add https://github.com/SpaceZephyr/myskill --skill ffmpeg-usage-spacezephyr
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ffmpeg-usage
Source: https://github.com/SpaceZephyr/myskill/tree/main/ffmpeg-usage
Command: npx skills add https://github.com/SpaceZephyr/myskill --skill ffmpeg-usage-spacezephyr

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill removes the guesswork from common audio and video tasks by giving you ready-to-run workflows for converting, trimming, compressing, subtitling, and repurposing media.

Core Features & Use Cases

  • Media Conversion and Resizing: Convert between formats, scale videos to target resolutions, and preserve aspect ratio for clean delivery.
  • Editing and Optimization: Trim, merge, rotate, speed up, compress, and web-optimize files for platforms like YouTube, Instagram, TikTok, and X.
  • Creative Outputs and Text Extraction: Create GIFs, extract thumbnails, burn or attach subtitles, and use the local voice model API for transcription and text extraction from audio.

Quick Start

Ask the skill to convert your attached MOV video into a web-optimized MP4 and, if needed, extract a transcript from the audio.

Frequently Asked Questions about ffmpeg-usage

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I convert a MOV video into a web-optimized MP4 for YouTube or Instagram?

To convert a MOV video into a web-optimized MP4, this Skill applies FFmpeg workflows to compress and scale files for platform-specific delivery on YouTube, Instagram, TikTok, or X. It preserves aspect ratio for clean delivery.

Can I extract audio and transcribe speech to text from a video?

Yes, you can transcribe speech to text from media by routing extracted audio through a local HTTP transcription endpoint. The Skill handles audio extraction and passes supported inputs to the local voice model API.

How do I burn subtitles into a video using FFmpeg?

Burning subtitles into a video is handled by applying FFmpeg commands to attach or permanently overlay subtitle tracks onto the media file. This Skill provides ready-to-run workflows for subtitle handling.

What is the best way to create a GIF from a video clip?

Creating a GIF from a video clip involves using FFmpeg workflows to extract and convert specific media segments. This Skill generates creative outputs like GIFs and extracts thumbnails from your existing video files.

Do I need a local transcription endpoint to extract text from audio?

Yes, extracting text from audio requires a local HTTP transcription endpoint with supported audio inputs. The Skill relies on this local voice model API to perform speech-to-text workflows.

How do I batch process and compress multiple video files for TikTok?

Batch processing and compressing video files for TikTok is achieved by applying FFmpeg web-optimization workflows to scale, trim, and merge media. This ensures platform-specific delivery for your video batch.