yt-dlp Web UI: A Modern Browser GUI for yt-dlp
Harness the power of the world's most capable command-line stream extractor without touching the terminal. Clean Python & Flask architecture with live job polling.
Use the Web UI Right Now
Test the live web interface running on our hosted instance:
What is the YT Downloader Web UI? It is a graphical, web-based frontend for the world-renowned command-line media tool yt-dlp. Built with Python, Flask, and SQLite, it enables non-technical users to access the full power of yt-dlp—including 4K video merging, batch downloading, and lossless audio extraction—through a browser without writing terminal commands.
- No Terminal Required: Simple paste-and-click browser interface for mobile and desktop.
- FFmpeg Automated: Multiplexes adaptive DASH video and audio automatically in background workers.
- Privacy & Self-Hostable: Open-source, local-first architecture with optional Docker deployment.
Why yt-dlp Deserves a Great Web Interface
yt-dlp is widely recognized by software engineers and digital preservationists as the most robust, actively maintained command-line video and audio stream extractor in the world. It supports over 1,800 websites and quickly patches upstream changes in video streaming formats.
However, command-line interfaces present friction for everyday tasks:
- Remembering complex format flags (e.g.
-f 'ba' -x --audio-format mp3 --audio-quality 0). - Downloading videos on mobile devices (smartphones and tablets lack easy terminal environments).
- Sharing media conversion capabilities across a local home network or office team.
| Feature | Standard yt-dlp (CLI) | YT Downloader (Web UI) |
|---|---|---|
| Interface | Terminal command line | Visual web dashboard with progress bars |
| Installation Requirements | Python 3, pip, terminal, FFmpeg PATH | Runs in any browser (Chrome, Safari, Firefox) |
| Mobile Usability | Requires Termux or SSH shell | Responsive touch-friendly mobile web UI |
| Format Selection | Manual format string syntax | One-click presets (MP3, MP4, M4A, WAV, 4K) |
| Background Queue | Manual backgrounding or screen/tmux | Built-in ThreadPoolExecutor + SQLite WAL queue |
Architectural Design of Our Web UI
YT Downloader wraps yt-dlp in a lightweight, robust, and asynchronous web server stack:
Flask & Thread-Pool Worker
A multi-threaded Python 3 worker pool handles media downloads asynchronously in background threads, keeping the HTTP server snappy and responsive.
SQLite WAL State Engine
Job metadata, batch progress, and completion states are persisted in SQLite WAL mode for thread-safe lock-free querying.
Zero-Dependency Frontend
Built entirely with vanilla JavaScript and modern CSS tokens. No bloated frontend frameworks or tracking libraries.
Automated Retention Janitor
A background cleanup cron automatically removes files older than 24 hours, preventing storage leaks and respecting user privacy.
Frequently Asked Questions
How do I keep yt-dlp updated on my server?
Our container configuration can execute pip install -U yt-dlp during scheduled restarts to ensure you always have the latest format extractors and patches.
Is an API available for programmatic downloads?
Yes. Our backend exposes REST endpoints (e.g. /api/job/create, /api/job/status/<id>) for integration with your own automation scripts.
Can I run this Web UI on a Raspberry Pi or NAS?
Yes. Because the stack uses lightweight Python, SQLite, and FFmpeg, it runs effortlessly on ARM single-board computers like Raspberry Pi 4/5, Synology NAS Docker containers, and inexpensive VPS instances.
Does this Web UI support batch downloading multiple URLs?
Yes. You can paste up to 20 video URLs at once in our Bulk Downloaders, or paste full YouTube playlist URLs for automated multi-item processing.