Sometimes you only want the hindi song audio to save space. After you download the video song, you can "install" a converter to change it to MP3.
The query mentions "install," which is a common point of confusion. Most free downloading sites like Video9in do not have an official app because they often violate copyright policies of major app stores. Therefore, "installing" usually refers to downloading the video file itself, which saves to your device's gallery or file manager. Occasionally, these sites may prompt users to download a specific APK (Android Package Kit) or a browser extension, but users should proceed with extreme caution regarding such prompts.
Once the .mp4 file is downloaded, you can:
: Sites like this often feature "sketchy" ads or fake download buttons. Using an ad-blocker can help you navigate safely.