ffmpeg

Convert, trim, compress, and reformat audio and video files with FFmpeg.

1.0k|514|Updated Jan 21, 2026

Search Tags:#compression #ffmpeg #remotion #video-processing #audio-processing #media-conversion #web-optimization

Ready to run

npx skills add https://github.com/unipds-engenharia-de-ia-aplicada/engenharia-de-software-com-ia-aplicada --skill ffmpeg-unipds-engenharia-de-ia-aplicada

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: ffmpeg
Source: https://github.com/unipds-engenharia-de-ia-aplicada/engenharia-de-software-com-ia-aplicada/tree/main/modulo03-mcp-na-pratica/04-skills/.agents/skills/ffmpeg
Command: npx skills add https://github.com/unipds-engenharia-de-ia-aplicada/engenharia-de-software-com-ia-aplicada --skill ffmpeg-unipds-engenharia-de-ia-aplicada

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

FFmpeg often becomes a command-line bottleneck when you need to convert, trim, compress, or reformat media without breaking browser or platform compatibility. This Skill gives you repeatable, production-safe guidance for everyday video and audio transformations.

Core Features & Use Cases

Format conversion for MP4, MOV, WebM, GIF, MP3, and WAV.
Editing and optimization for resizing, trimming, speed changes, concatenation, fades, compression, and audio extraction.
Remotion and web delivery guidance for preparing assets, keeping even dimensions, ensuring H.264 compatibility, and using faststart for streaming.
Example: Turn a raw screen recording into a 1080p, browser-ready MP4 or convert a GIF into a Remotion-compatible video asset.

Quick Start

Ask for the exact media transformation you want, including the input file, desired output format, and any size, compression, or speed requirements.

Frequently Asked Questions about ffmpeg

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

FAQPage Schema

How do I convert a MOV file to an MP4 format optimized for web streaming?▼

Convert MOV to web-ready MP4 by applying H.264 codec compatibility, even pixel dimensions, and faststart metadata to enable progressive streaming playback directly in web browsers.

Can I extract audio from a video file and save it as an MP3?▼

Yes, you can extract audio from video files and export it as MP3 or WAV, isolating the audio track while discarding the video stream for standalone audio processing workflows.

Does FFmpeg work with Remotion for preparing video assets?▼

FFmpeg processes raw media into Remotion-compatible video assets by enforcing correct codecs, pixel formats, even dimensions, and faststart metadata required for synchronized web rendering workflows.

What is the best way to compress a video without losing browser compatibility?▼

The best way to compress video for browsers is applying H.264 codec constraints, ensuring even pixel dimensions, and adding faststart metadata to produce a streaming-ready MP4 file.

How do I trim and concatenate multiple video clips into a single file?▼

You can trim specific segments from media files and concatenate multiple clips into a single continuous output file while maintaining synchronized audio-video tracks across the cuts.

Why does my converted WebM file have uneven dimensions and fail to render?▼

Converted media fails to render when dimensions are uneven; you must enforce even pixel dimensions during resizing to ensure H.264 compatibility and correct codec processing.