youtube-chapter-clipper
YouTube Chapter Clipper
Overview
Generate chapter clips from a YouTube video by downloading MP4 + English subtitles, segmenting content, cutting clips, and producing per-chapter English SRTs. Chapter length is user-selectable (1-2, 2-3, or 3-4 minutes).
Workflow
1) Use the automation script to reduce tokens
- Prefer
scripts/smart_edit.pyfor end-to-end runs (download, chaptering, clip cut, subtitle slicing). - The script uses heuristic chaptering to avoid AI token usage.
- Create and use a local venv (no external packages required):
python3 -m venv .venvsource .venv/bin/activatepython scripts/smart_edit.py --help- Speed-focused default:
--mode fast(approximate cuts, faster encode, optional downscale). - Use
--mode accuratewhen you need precise boundaries.
More from seefreed/skills
en-to-zh-translator
Translate English text files (.txt, .md) to Chinese for language learning and translation practice. Use when the user asks to translate a text file to Chinese, create a Chinese version of an English document, or generate bilingual materials for translation training. The translation preserves sentence structure and combines broken sentences into complete lines.
187semantic-video-clipper
AI analyzes subtitles to identify optimal split points, then clips video segments using FFmpeg based on AI-provided cue indices. Use when asked to segment videos (e.g., .mp4) based on .vtt/.srt subtitles.
18en-zh-bilingual-json
Convert English .txt articles into a JSON array of sentence-level English/Chinese (zh) pairs. Translate English into Chinese and generating bilingual {en, zh} entries via the model (no external translation API), then saving to a JSON file.
11transcript-reflow
Clean and reorganize transcript .txt files for clearer English grammar, punctuation, and paragraph flow. Use when asked to fix line breaks, merge fragments into sentences, normalize punctuation, or produce a reflowed transcript saved as a new file.
6youtube-smart-edit
Create a YouTube smart clipping workflow with yt-dlp and ffmpeg. Use when asked to download YouTube videos/subtitles, generate fine-grained chapters, cut precise clips, or generate per-chapter English SRTs.
1