M4A to MP3, WAV Converter

Convert, trim, and transcribe audio — all in one beautifully simple app.

M4A to MP3 Converter is the all-in-one audio toolkit for anyone who needs to convert files fast, clean up recordings, or turn speech into text — without uploading anything to the cloud.

★ CONVERT ANY FORMAT
Convert between MP3, WAV, M4A, AAC, OGG, and FLAC in seconds. Choose your bitrate (128k–320k) for the perfect balance of quality and file size. Batch convert multiple files at once with a single tap.

★ EXTRACT AUDIO FROM VIDEO
Got a video with a soundtrack, interview, or voice memo you need as audio? Extract the audio track from MP4, MOV, MKV, AVI and more — directly to MP3, WAV, or any format you choose.

★ AI-POWERED AUDIO ENHANCEMENTS
Clean up your recordings with one tap:
• Noise Cancellation — removes background static and hiss
• Loudness Boost — normalizes volume and lifts quiet speech
No audio engineering degree required.

★ TRIM WITH MILLISECOND PRECISION
See exactly what you're cutting with a real waveform display and a live, studio-style playhead. Set your start and end points down to the millisecond.

★ TRANSCRIBE SPEECH TO TEXT — 100% OFFLINE
Using on-device AI (Whisper), turn any voice recording into readable, copyable text — no internet connection required, and nothing ever leaves your phone. Perfect for interviews, lectures, voice memos, podcasts, and meeting notes.

★ STAY ORGANIZED
Every conversion is saved to your History, so you can find and re-share past files anytime.

★ SHARE FROM ANYWHERE
Share audio or video directly from any app straight into the converter — WhatsApp, Telegram, Voice Memos, browser downloads — no need to dig through folders.

★ BUILT FOR THE WHOLE WORLD
Fully translated into 63 languages, so the app speaks your language, wherever you are.

★ YOUR PRIVACY, RESPECTED
Conversions and transcriptions happen entirely on your device. No account, no sign-up, no audio ever uploaded to a server.

WHY CHOOSE THIS CONVERTER?
✓ Truly offline — works on airplane mode
✓ No forced ads on every action
✓ Handles files up to hours long
✓ Both audio-only and video source files
✓ AI features built in, not paywalled
✓ Clean design, no clutter

PERFECT FOR
• Podcasters — transcribe episodes instantly
• Students — turn lecture recordings into notes
• Journalists — offline interview transcription
• Musicians — convert stems and demos
• Content creators — extract audio from video
• Meeting notes — no more manual typing
• Voice memo lovers — organize your recordings

Download now and convert your first file in under 10 seconds.

Recent changes:
• Your output folder is now remembered, and the app warns you before converting if it cannot save to that folder.
• Clearer message when a conversion fails, with a tip on what to try.
• Premium: the price and "one-time payment" are shown, the menu shows when Premium is active, and Restore Purchases is always in the menu and tells you the result.
• Paid users no longer see ads while the app starts.