Script Download Facebook Video Repack ((link))

Download single post: fbrepack fetch https://facebook.com/somepage/posts/123456789 fbrepack download https://facebook.com/somepage/posts/123456789 fbrepack repack --output ./videos --watermark logo.png https://facebook.com/somepage/posts/123456789

Frequently used for real-time browser automation via Puppeteer.

Automated Facebook Video Downloading: Building and Understanding Repack Scripts script download facebook video repack

Before you start downloading, it's crucial to be aware of a few key points:

This returns a direct download URL.

import os import re import subprocess import requests def download_and_repack_fb(fb_url, output_name="final_output.mp4"): headers = "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" print("[*] Fetching Facebook page source...") response = requests.get(fb_url, headers=headers) html_content = response.text # Search for HD/SD video links and audio links inside the page metadata video_urls = re.findall(r'"browser_native_hd_url":"(.*?)"', html_content) if not video_urls: video_urls = re.findall(r'"browser_native_sd_url":"(.*?)"', html_content) audio_urls = re.findall(r'"audio_url":"(.*?)"', html_content) if not video_urls: print("[!] Error: Could not find video stream links. The video might be private.") return # Clean the extracted URLs video_url = video_urls[0].replace(r'\/', '/') audio_url = audio_urls[0].replace(r'\/', '/') if audio_urls else None print("[*] Downloading video stream...") with open("temp_video.mp4", "wb") as f: f.write(requests.get(video_url, headers=headers).content) if audio_url: print("[*] DASH stream detected. Downloading separate audio stream...") with open("temp_audio.mp4", "wb") as f: f.write(requests.get(audio_url, headers=headers).content) print("[*] Repacking streams into a single file using FFmpeg...") # -c:v copy -c:a copy merges the streams instantly without re-encoding loss cmd = f'ffmpeg -i temp_video.mp4 -i temp_audio.mp4 -c:v copy -c:a copy -y "output_name"' subprocess.run(cmd, shell=True) # Clean up temporary files os.remove("temp_video.mp4") os.remove("temp_audio.mp4") print(f"[+] Success! Repacked video saved as: output_name") else: # If no separate audio url found, the video file already contains audio os.rename("temp_video.mp4", output_name) print(f"[+] Success! Single stream video saved as: output_name") # Example execution if __name__ == "__main__": target_url = input("Enter Facebook Video URL: ") download_and_repack_fb(target_url) Use code with caution. Troubleshooting Common Script Failures 1. HTTP Error 403: Forbidden

Extracting the raw video file from Facebook’s servers, even when the platform tries to hide the direct URL. Download single post: fbrepack fetch https://facebook

def manual_fb_download(video_url): # Step 1: Get page HTML headers = "User-Agent": "Mozilla/5.0" resp = requests.get(video_url, headers=headers) html = resp.text

Repacking differs significantly from transcoding. Transcoding decompresses and re-compresses video data, causing quality loss and consuming high CPU power. The video might be private

Facebook doesn't provide a public API for downloading videos. Therefore, these scripts generally operate using one of two primary technical approaches:

A "repack" script must: