NicerToolsAudioAAC to M4R Ringtone ConverterAAC to M4R Ringtone ConverterConvert standard AAC audio files into iPhone M4R customizable ringtone formats.Loading WorkspaceExplore more modulesOther tools in the Audio suiteView full suiteAI Voice Cloner & TTSClone any voice print or generate realistic text-to-speech with premium voices.Online Audio TrimmerTrim MP3/WAV files and add custom fade-in/fade-out effects.Voice Recorder & SoundboardRecord high-fidelity microphone input and download or apply premium presets.