video-tools

Convert, compress, trim, and edit videos using the ffmpeg command-line utility.

3|Updated Feb 13, 2026

Search Tags:#video #media #ffmpeg #convert #compress #trim

Ready to run

npx skills add https://github.com/jholhewres/goclaw-skills --skill video-tools-jholhewres

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: video-tools
Source: https://github.com/jholhewres/goclaw-skills/tree/main/skills/video-tools
Command: npx skills add https://github.com/jholhewres/goclaw-skills --skill video-tools-jholhewres

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires ffmpeg, ffprobe, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill simplifies complex video manipulation tasks, allowing users to easily convert, compress, trim, and edit video files without needing to memorize intricate command-line arguments.

Core Features & Use Cases

Format Conversion: Convert videos between various formats like MP4, WebM, MOV, and GIF.
Compression & Resizing: Reduce file size and adjust video dimensions.
Trimming & Extraction: Precisely cut video clips and extract audio tracks.
Watermarking & Combining: Add watermarks and merge multiple video files.
Use Case: Quickly convert a large MP4 file to a smaller WebM for web use, or trim a long video into short, shareable clips.

Quick Start

Use the video-tools skill to convert the attached file 'input.mp4' to 'output.webm'.

Frequently Asked Questions about video-tools

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

FAQPage Schema

How do I convert an MP4 video to WebM for web use?▼

To convert an MP4 video to WebM, use a video manipulation tool that applies ffmpeg to transcode the input file directly into the smaller WebM format for web use.

What is the best way to compress a video file without losing much quality?▼

To compress a video file efficiently, use a tool that leverages ffmpeg compression algorithms to reduce file size while adjusting video dimensions and minimizing quality loss.

Do I need ffmpeg installed to use video manipulation scripts?▼

Yes, you need ffmpeg and ffprobe installed and accessible in your system's PATH to execute video conversion, compression, and trimming commands successfully.

How do I extract audio tracks and trim video clips?▼

To extract audio tracks and trim video clips, use a video editing utility that runs ffmpeg commands to precisely cut video segments and isolate audio from the media file.

Can I merge multiple video files and add a watermark using ffmpeg?▼

Yes, you can concatenate multiple video files and add watermarks by using a comprehensive ffmpeg-based tool to merge media and overlay images onto the video stream.