Ringtones for iPhone's nifty little ringtone creation wizard helps you achieve that goal. After you have selected a song or video file to convert, you can then start editing it. From here, you can save the resulting ringtone as an M4R file and then drop it into the Tones section of the app. Another option is to import the resulting file directly from iTunes. But if you're more of a do-it-yourselfer, you can also download a ringtone from one of the many online music stores that sell klingeltöne iPhone Download
While Ringtones for iPhone does a decent job of getting your audio from your PC to your phone, the process is a bit clunky. First, you must connect your iPhone to your computer with a USB connector cable. Second, you need to select your music library and make sure that you have access to the song. Finally, you'll need to make sure that the corresponding ringtone is not already downloaded on your PC.
Other apps like Ringtones for iPhone and Zedge offer similar features. However, the former is a little more intuitive, and comes with tools to chop up your existing files. Ringtones for iPhone's ringtone maker app is a nice middle ground, with an option to create both ringtones and background music.
There are many more ringtone apps for your smartphone. You can search for them in the Google Play Store, and many of them offer something more than just the usual ringtones. For example, Zedge is an ad-supported app that has a library of prepared audio snippets, which you can then cut and paste into your own ringtones.