M4A to MP3 WAV Converter
Convert, trim, and transcribe — all on your device.
Convert between MP3, WAV, M4A, AAC, OGG, and FLAC in seconds. Extract audio from video, clean up noise with AI, and transcribe your recordings into text in 60+ languages, fully offline. No file ever leaves your device.
Why M4A to MP3 WAV Converter?
Most audio apps out there need an internet connection, upload your files to unknown servers, or ask for payment right when you need them most. We built the opposite, everything runs on your device, completely offline.
Screenshots
Features
Multi-Format Support
Convert between MP3, WAV, M4A, AAC, OGG, and FLAC in seconds.
Batch Conversion
Select multiple files at once and convert them all with a single tap.
Extract Audio from Video
Pull the audio track out of MP4, MOV, MKV, and AVI files in seconds.
Speech-to-Text Transcription
Turn your recordings into text in 60+ languages using on-device Whisper AI, fully offline.
AI Audio Enhancement
Remove background noise and normalize quiet audio with a single tap.
Millisecond-Precision Trim
Cut exactly where you want with a studio-style waveform display and live playhead.
High Quality Output
Choose your bitrate from 128 kbps up to 320 kbps.
Customizable Settings
Set your own bitrate, sample rate, and channel configuration.
File Manager Integration
Launch conversion directly from your device's file manager.
Easy Sharing
Share a file straight into the app from WhatsApp, Telegram, or any other app.
Conversion History
Every conversion is saved automatically, so you can find and re-share past files anytime.
63 Languages
The interface is translated into 63 languages.
Complete Privacy
No account, no cloud upload. Conversion and transcription happen entirely on your device, even works in airplane mode.
Android & iOS
Runs smoothly on Android 5.0+ and iOS devices.
Compatibility
User Reviews
"Converted my M4A files to MP3 with a single tap. Excellent app."
— User, Google Play
"The batch conversion feature is amazing, converted 50 files at once."
— User, Google Play