media-downloader
Download videos and audio from 1500+ websites including YouTube, Bilibili, TikTok, Twitter/X, Instagram, Vimeo, and more using yt-dlp. Use when the user wants to download videos, save media from social platforms, download with specific resolution (720p/1080p/4K), get subtitles, or download entire playlists. Triggers on requests like 'download this video', 'save this YouTube video', 'download in 1080p', 'download with subtitles', 'download this playlist'.
- Installs
- 84
- Last 24h
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- Security
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/memtensor/skills-vote --skill media-downloader- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads media-downloader automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Media Downloader
Download video/audio from 1500+ websites using yt-dlp. Supports format selection, subtitles, playlists, and custom output naming.
Quick Start
# Basic download (best quality)
yt-dlp "URL"
# Specific resolution
yt-dlp -f "bestvideo[height<=1080]+bestaudio/best[height<=1080]" "URL"
# With subtitles
yt-dlp --write-subs --sub-langs "en,zh" "URL"
# Audio only
yt-dlp -f "bestaudio" "URL"
Format Selection
Resolution Presets
| Request | Command |
|---|---|
| Best quality | -f "bestvideo+bestaudio/best" |
| 4K | -f "bestvideo[height<=2160]+bestaudio/best" |
| 1080p | -f "bestvideo[height<=1080]+bestaudio/best" |
| 720p | -f "bestvideo[height<=720]+bestaudio/best" |
| 480p | -f "bestvideo[height<=480]+bestaudio/best" |
List Available Formats
yt-dlp -F "URL" # Show all formats with codes
Advanced Format Selection
# Prefer MP4 container
yt-dlp -f "bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best" "URL"
# Specific format code (from -F output)
yt-dlp -f 137+140 "URL"
# Merge to specific container
yt-dlp --merge-output-format mkv "URL"
Subtitles
Download Subtitles
# Manual subtitles (human-created)
yt-dlp --write-subs --sub-langs "en,zh,ja" "URL"
# Auto-generated subtitles
yt-dlp --write-auto-subs --sub-langs "en" "URL"
# Both manual and auto
yt-dlp --write-subs --write-auto-subs --sub-langs "en,zh" "URL"
# Embed subtitles in video (MP4/MKV/WebM)
yt-dlp --write-subs --embed-subs "URL"
List Available Subtitles
yt-dlp --list-subs "URL"
Subtitle Format
# Convert to SRT
yt-dlp --write-subs --sub-format srt "URL"
# Available: srt, ass, vtt, lrc
Output Naming
Template Variables
| Variable | Description | Example |
|---|---|---|
%(title)s | Video title | My Video |
%(id)s | Video ID | dQw4w9WgXcQ |
%(ext)s | File extension | mp4 |
%(upload_date)s | Upload date | 20231215 |
%(uploader)s | Channel name | Rick Astley |
%(playlist)s | Playlist name | Best Songs |
%(playlist_index)s | Position in playlist | 01 |
%(resolution)s | Video resolution | 1920x1080 |
Common Patterns
# Default: title + extension
yt-dlp -o "%(title)s.%(ext)s" "URL"
# Date prefix
yt-dlp -o "%(upload_date)s - %(title)s.%(ext)s" "URL"
# Organized by uploader
yt-dlp -o "%(uploader)s/%(title)s.%(ext)s" "URL"
# Playlist with numbering
yt-dlp -o "%(playlist)s/%(playlist_index)02d - %(title)s.%(ext)s" "URL"
# Sanitize title (remove special chars)
yt-dlp -o "%(title).100B.%(ext)s" "URL" # Limit to 100 bytes
Playlist Handling
# Download entire playlist
yt-dlp "PLAYLIST_URL"
# Only video (not playlist)
yt-dlp --no-playlist "URL"
# Specific items (1-indexed)
yt-dlp -I 1:5 "PLAYLIST_URL" # First 5
yt-dlp -I 1,3,5 "PLAYLIST_URL" # Items 1, 3, 5
yt-dlp -I -3: "PLAYLIST_URL" # Last 3
# Skip already downloaded
yt-dlp --download-archive downloaded.txt "PLAYLIST_URL"
Platform-Specific Notes
YouTube
- Supports: videos, playlists, channels, shorts, live streams
- Cookies may be needed for age-restricted/member content
Bilibili
- Use
--cookies-from-browserfor premium content - Subtitles:
--write-subs --sub-langs "zh-Hans"
TikTok / Douyin
- Direct URL download works
- Watermark may be present in some cases
Twitter/X
- Supports video tweets and spaces
- Use
--cookies-from-browserfor private content
- Stories require login
- Use
--cookies-from-browser firefoxor--cookies cookies.txt
Authentication
# Browser cookies (recommended)
yt-dlp --cookies-from-browser firefox "URL"
yt-dlp --cookies-from-browser chrome "URL"
# Cookie file
yt-dlp --cookies cookies.txt "URL"
# Username/password (limited support)
yt-dlp -u USERNAME -p PASSWORD "URL"
Troubleshooting
Common Issues
| Issue | Solution |
|---|---|
| "Video unavailable" | Try --cookies-from-browser |
| Slow download | Add --concurrent-fragments 4 |
| Format merge fails | Install ffmpeg |
| Geo-blocked | Use --geo-bypass or proxy |
Update yt-dlp
yt-dlp -U # Update to latest stable
Complete Examples
Download YouTube video in 1080p with Chinese subtitles:
yt-dlp -f "bestvideo[height<=1080]+bestaudio/best" \
--write-subs --sub-langs "zh" \
-o "%(title)s.%(ext)s" \
"https://youtube.com/watch?v=..."
Download TikTok video:
yt-dlp -o "%(uploader)s - %(title)s.%(ext)s" \
"https://tiktok.com/@user/video/..."
Download Bilibili playlist:
yt-dlp --cookies-from-browser chrome \
-o "%(playlist)s/%(playlist_index)02d - %(title)s.%(ext)s" \
"https://bilibili.com/video/BV..."
Download Twitter video:
yt-dlp --cookies-from-browser firefox \
"https://twitter.com/user/status/..."
FAQ
What does the media-downloader skill do?
Download videos and audio from 1500+ websites including YouTube, Bilibili, TikTok, Twitter/X, Instagram, Vimeo, and more using yt-dlp. Use when the user wants to download videos, save media from social platforms, download with specific resolution (720p/1080p/4K), get subtitles, or download entire playlists. Triggers on requests like 'download this video', 'save this YouTube video', 'download in 1080p', 'download with subtitles', 'download this playlist'.
How do I install media-downloader?
Run npx skills add https://github.com/memtensor/skills-vote --skill media-downloader in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/media-downloader/ (personal) or .claude/skills/media-downloader/ (project).
Which AI agents can use media-downloader?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is media-downloader safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains media-downloader?
It is published by memtensor in memtensor/skills-vote. It has 84 recorded installs.
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