Yes, it is legal to download free ringtones from the Internet, as long as you use these ringtones for personal, non-commercial use. Make sure you respect copyrights and don't download copyrighted ringtones without permission.
Yes, you can create your own custom ringtone. You can use special apps or software to cut snippets of songs or create your own melodies. Be sure to respect copyrights if you use excerpts from existing songs.
Yes, there are many apps available on mobile platforms that allow you to create your own custom ringtones from songs or audio files. These apps offer cutting and editing tools to customize your ringtones.