The script includes a generic User-Agent. If you are downloading from a specific site, you often need to copy the Referer and Origin headers from your browser's Developer Tools (Network tab). If these are missing, the server sends an empty response, which is the #1 cause of the "empty segment" issue.
yt-dlp -f best "VIDEO_URL"
The server uses a "rolling token" that expires every 60 segments. Segment 42’s token is valid, but the request headers sent by Ant are missing a Cookie that was updated after the user paused the video in the browser. ant video downloader downloaded segment is empty
If you are using the Ant Video Downloader extension and seeing empty segments or failed downloads, it is usually due to browser integration or network protection settings introduced in recent browser updates. The script includes a generic User-Agent
Add the following path to your antivirus exclusion list: %SystemDrive%\Users\%username%\AppData\Roaming\Ant.com\Ant Video downloader\ . yt-dlp -f best "VIDEO_URL" The server uses a
Sometimes the segments download correctly but the tool fails to merge them. This can leave you with a temporary folder full of segments and an empty final video file. 💡 Advanced Fixes Configuring Ant Video downloader settings
if response.status_code == 200: content = response.content if self.validate_segment(content): return content else: print(f"Attempt attempts+1: Empty/Invalid segment content.") else: print(f"Attempt attempts+1: HTTP response.status_code")