Download video files through Chrome on Android
Chrome usually places the completed file in Downloads and shows a notification that opens it in the file manager. A gallery app may index the MP4 automatically, or you can move it from Downloads. If the picture has no sound or a player reports an unsupported codec, try another listed container or a player with broader codec support; changing a filename extension does not convert media. High resolutions create larger files, so check available storage and use a stable connection for long videos.
Android Chrome can save a media response through the operating system's standard download manager, without an APK or browser add-on. Paste a public video URL, inspect the formats returned for that source, and choose an available MP4 resolution. Depending on the resolution, the source may provide one progressive file or separate DASH video and audio tracks that are muxed into a single output. MP4 can contain several codecs; H.264/AAC is broadly supported, while VP9 and AV1 playback depends on the Android device and player.