🛠️ If the script fails during the merge phase, it means FFmpeg is not installed properly. The script cannot "repack" the separated streams without it.
pip install yt-dlp
Do you need to download or just public ones? script download facebook video repack
yt-dlp --cookies-from-browser chrome "YOUR_FACEBOOK_VIDEO_URL" Use code with caution. Re-encoding/Repacking for Compatibility
Using -c copy ensures the video is repacked into a new container without losing quality or wasting time on re-encoding. Option 3: Browser "Developer Mode" (No Script Required) 🛠️ If the script fails during the merge
For “repack” specifically, scripts are superior because you control the container, metadata, and codec copying.
A is a set of automated instructions. Instead of manually using browser extensions or online tools, a script sends HTTP requests to Facebook’s servers, mimics a legitimate user session, extracts video source URLs, and downloads the segments (often DASH or HLS streams). A is a set of automated instructions
Installation: Download the latest binary for Windows, macOS, or Linux from the official GitHub page. B. FFmpeg (The Repacker)
Most videos on Facebook are copyrighted by their creators. Downloading a video without the creator's permission is copyright infringement. provisions might apply for specific cases like criticism, comment, news reporting, teaching, or research, but these are limited and context-dependent.
Create a file named fb_repack.py and paste the following code:
To ensure the output is a high-quality MP4 file, use the following command: