Some Gallery apps only scan specific folders like /DCIM/ or /Movies/ . If your video is in /Downloads/ , you may need to manually move it for it to show up. Safety and Security Tips

Downloading YouTube videos directly to your Android device’s gallery is a popular request for users who want to watch content offline without the restrictions of the official app. While YouTube's built-in "Download" feature allows for offline viewing, it stores videos in an encrypted cache that is only accessible within the YouTube app itself. To save a video as a permanent MP4 file in your phone’s gallery, you must use alternative browser-based methods. Top Methods to Download Without an App

How to Download YouTube Videos in Mobile Gallery Without App on Android

Tap Download . Once the process is finished, the file will be saved in your device's Downloads folder and should automatically appear in your Gallery or Google Photos app. 2. The URL Shortcut Method