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youtube-clipper

Download YouTube videos, analyze chapters, clip segments, and burn bilingual subtitles with FFmpeg.

Updated Jan 25, 2026
Search Tags:#youtube#video download#AI analysis#video clipping#subtitle translation#bilingual subtitles
One-click install
npx skills add https://github.com/kunhai-88/skills --skill youtube-clipper-kunhai-88
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: youtube-clipper
Source: https://github.com/kunhai-88/skills/tree/main/youtube-clipper
Command: npx skills add https://github.com/kunhai-88/skills --skill youtube-clipper-kunhai-88

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires yt-dlp, pysrt, python-dotenv, and includes scripts (resource) components.

What problem does it solve?

This Skill automates the process of downloading YouTube videos, analyzing their content to create detailed, short-form chapters, and then clipping, translating, and burning subtitles into the video.

Core Features & Use Cases

  • Intelligent Chapter Analysis: AI-powered analysis of subtitles to generate granular 2-5 minute chapters with titles, summaries, and keywords.
  • Automated Clipping & Subtitling: Clips selected video segments, translates subtitles to bilingual (English/Chinese) SRT format, and burns them into the video.
  • Use Case: A content creator needs to quickly extract several short, informative clips from a long YouTube tutorial for social media, complete with accurate bilingual subtitles.

Quick Start

Use the youtube-clipper skill to download and intelligently clip segments from the provided YouTube URL.

Frequently Asked Questions about youtube-clipper

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

FAQPage Schema
How do I download and clip segments from a YouTube video with bilingual subtitles?▼

YouTube video clipping with bilingual subtitles is automated by downloading the video, AI-analyzing subtitles to generate short chapters, allowing clip selection, and burning translated SRT subtitles into the video using FFmpeg.

How does AI chapter analysis work for YouTube video segmentation?▼

AI chapter analysis works by processing downloaded subtitles to generate granular 2-5 minute chapters, providing titles, summaries, and keywords for each segment to help you select clips.

Do I need yt-dlp and FFmpeg installed to download and process YouTube videos?▼

Yes, you need yt-dlp for downloading YouTube videos and subtitles, and FFmpeg with libass support for clipping video segments and burning bilingual subtitles into the final video file.

Can I translate YouTube subtitles into bilingual SRT format automatically?▼

Yes, you can translate YouTube subtitles into bilingual English and Chinese SRT format automatically during the clipping process, which are then burned directly into the video output.

What is the best way to extract short informative clips from a long YouTube tutorial?▼

The best way to extract short clips is using AI-driven chapter segmentation to break the tutorial into 2-5 minute segments, selecting desired chapters, and clipping them with FFmpeg.

Why does video clipping fail when burning subtitles with FFmpeg?▼

Video clipping and subtitle burning fails when the FFmpeg environment lacks libass support, which is required for rendering and burning bilingual SRT subtitles into the video segments.

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