Are you looking to use this file with a like yt-dlp or a custom Python script ?
Understanding "Cookie.txt": The Bridge Between Browsers and Scripts Download cookie txt
By exporting your browser’s cookies into a .txt file, you can "hand off" your active session to these tools. This allows them to access age-restricted content, private playlists, or subscription-only data as if they were you. 2. The Netscape Format Are you looking to use this file with
A cookie.txt file is essentially a to your accounts. Because it contains your session tokens, anyone with access to that file can impersonate you on the associated websites without needing your password or two-factor authentication (2FA). Never share these files. Download cookie txt