Here are the top 3 effective ways to create free ringtones:
Using audio editing software:
Install audio editing software on your computer, such as Audacity (free and open-source) or Adobe Audition (professional-grade software).
Import the audio file you want to use as a tonos para celular into the software.
Use the editing tools to trim the audio to the desired length, enhance the sound quality, and apply any effects if desired.
Export the edited audio as a ringtone file in a compatible format such as MP3 or M4R (for iPhone).
Transfer the ringtone file to your mobile phone and set it as your default ringtone.