Learn how to turn a local MP3 file into a custom iPhone ringtone in iOS 26, trim it to the right length, export it with GarageBand and assign it to all calls or one contact.

Create a custom phone wallpaper online by choosing your device size, cropping and positioning an image, previewing the Lock and Home Screens, and downloading a high-quality background.

Learn how to set different notification sounds for individual Android apps, add custom audio files and fix missing notification-category or Sound options on Pixel and Samsung phones.

Learn how to add fade in and fade out to a ringtone, choose the right fade length, avoid a quiet beginning, and create a smoother ending for music, voice, or sound effects.

Find the best ringtone length for iPhone and Android, learn when to use 15, 20, or 30 seconds, and create a ringtone that starts quickly and sounds natural.