Certain browser extensions act as network sniffers. They detect the media files currently playing in your active tab. Because the extension runs inside your browser, it automatically inherits your login permissions, allowing it to detect and download private streams seamlessly. Final Verdict
The tool must not store user credentials or download history. thisvid private video downloader better
The tool should be able to analyze the network traffic and extract the direct .mp4 or streaming link, bypassing the need for traditional "save as" methods. Certain browser extensions act as network sniffers