youtube-clipper

Clip YouTube videos with bilingual subtitles and social media summaries.

Updated Feb 3, 2026
One-click install
npx skills add https://github.com/gitduk/agents --skill youtube-clipper
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: youtube-clipper
Source: https://github.com/gitduk/agents/tree/main/skills/youtube-clipper
Command: npx skills add https://github.com/gitduk/agents --skill youtube-clipper

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This skill streamlines the creation of short, bilingual YouTube clips by automatically downloading videos and subtitles, analyzing content to generate semantic chapters, clipping segments, translating subtitles to Chinese-English, burning subtitles into the video, and generating social-media-ready summaries.

Core Features & Use Cases

  • Automatic semantic chaptering of long videos (2-5 minutes per chapter)
  • Precise FFmpeg-based clipping and bilingual subtitle burning
  • Batch translation of subtitles to Chinese and English
  • Output-ready social content: summaries for Xiaohongshu, Douyin, and WeChat Official Accounts
  • Use Case: Create a 2-minute clip from a long technical interview with bilingual subtitles and a summarized social post

Quick Start

Clip a YouTube video by URL, generate semantic chapters, export a chosen segment with bilingual subtitles, and produce social media summaries.

Frequently Asked Questions about youtube-clipper

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

FAQPage Schema
How do I clip YouTube videos and burn bilingual subtitles into the segments?

To clip YouTube videos with bilingual subtitles, you provide a video URL to download it, generate semantic chapters, extract the desired segment, translate subtitles to Chinese-English, and burn them directly into the video file using FFmpeg. This produces a shareable bilingual clip.

Can I automatically generate Xiaohongshu and Douyin summaries from a long YouTube video?

Yes, you can automatically generate social media summaries for Xiaohongshu, Douyin, and WeChat from a long YouTube video. The process analyzes the downloaded content, extracts precise 2-5 minute semantic chapters, and produces ready-to-post copy alongside the bilingual video clips.

Do I need yt-dlp and FFmpeg installed to download YouTube videos and clip segments?

Yes, you need yt-dlp and FFmpeg installed to download YouTube videos and clip segments. The workflow performs environment checks for these dependencies before processing, using yt-dlp for downloading and FFmpeg for precise video clipping and subtitle burning.

How does semantic chaptering work for splitting long videos into shorter clips?

Semantic chaptering splits long videos into shorter clips by analyzing the downloaded content and subtitle tracks to identify logical topic boundaries. It automatically divides the video into 2-5 minute chapters, allowing you to extract specific segments for repurposing.

What is the best way to batch translate YouTube subtitles to Chinese and English?

The best way to batch translate YouTube subtitles to Chinese and English is to download the original subtitle tracks, process them through automated AI translation, and generate bilingual SRT files. These translated subtitles are then burned into the clipped video segments.

Are there limitations when processing bilingual subtitles for social media video clips?

A key limitation when processing bilingual subtitles is that your environment must have FFmpeg properly configured for burning text into video. Additionally, the automated semantic chaptering relies on original subtitle availability, meaning videos lacking accurate subtitles may not segment correctly.