MP3 to Ringtone Converter – Free iPhone (M4R) & Android Ringtone Maker
Turn any MP3 song into a custom iPhone M4R or Android ringtone online for free. Trim your favorite chorus, add fade-in/out effects, and download instantly.
Why Use ConvertAnyMusic for convert mp3 to ringtone?
Engineered with modern Web Audio API and high-performance WebAssembly encoding for private, lightning-fast sound processing.
100% Private & In-Browser
Your audio and video files never leave your device. Processed client-side with zero remote cloud uploads or tracking.
Studio Lossless 320kbps
Convert with extreme acoustic fidelity up to 320kbps Constant Bitrate (CBR) or uncompressed 24-bit 48kHz WAV audio.
Universal Cross-Platform
Runs perfectly on iPhone, iPad, Android, macOS, Windows, and Linux right in Safari, Chrome, Edge, and Firefox.
Frequently Asked Questions
Common questions about iPhone Ringtone Maker & M4R Converter and audio formatting.
How do I convert an MP3 song into an iPhone ringtone?
Upload your MP3 song, trim a 30-second clip of your favorite part, select M4R (iPhone Ringtone Format), and click Convert to download your custom .m4r ringtone.
What ringtone format do iPhones and Android phones use?
Apple iPhones require the .M4R format (up to 30–40 seconds long), whereas Android phones natively use trimmed .MP3 or .OGG files for ringtones and notification sounds.
Can I also convert an M4R ringtone back into an MP3 file?
Yes! Upload any .m4r file and choose MP3 as the output format to convert iPhone ringtones into standard MP3 audio.
Can I add fade-in and fade-out effects to my ringtone?
Yes, enable our smooth Fade-In and Fade-Out toggles so your custom ringtone starts gently rather than abruptly.