If your music library is stored on your computer, you can create your own dzwonki na telefon za darmo from a physical song file (not a streaming song) using an app like the Apple’s Music app. This process will convert the file from a common MP3 format to a custom ringtone that you can save to your iPhone or other mobile device.
You can also use any audio file in a supported format, such as MP3, M4A, WAV, or OGG, to create your own ringtone. Just be sure to save a copy of the file before you upload it to your mobile device, as music services such as Spotify and YouTube lock files for playback within their applications.