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Convert Apple M4A and Voice Memo audio files into uncompressed WAV format for audio editing and transcription.
Converting Apple M4A files and iPhone Voice Memos into WAV format decompresses the audio into uncompressed Linear PCM samples. This format is required when editing audio in digital audio workstations like Audacity, Pro Tools, and Premiere Pro, or when processing speech audio with AI transcription models like Whisper. Converting to WAV guarantees zero decoding latency and maximum transcription accuracy.
Select or drop your .M4A file
Tap to choose from phone gallery, camera roll, or device files
To convert M4A to WAV online for free, upload your M4A file into the dropzone above, choose your preferred bitrate quality (up to 320kbps), and click Convert. Your converted WAV file will be ready for high-speed download in seconds.
Select your M4A audio recording.
Select 44.1kHz or 48kHz WAV output.
Save your uncompressed WAV file.
WAV is the preferred format for audio editors and transcription tools that do not support Apple M4A containers.
Direct import into Audacity, FL Studio, and Ableton.
Speech-to-text engines prefer uncompressed WAV audio.
No additional compression applied.
Clean 16-bit / 24-bit WAV output.
Cloud-accelerated audio transcoding in seconds.
Files deleted after processing.
M4A is an audio-only multimedia container format popularized by Apple in 2001. Built upon the MPEG-4 Part 14 standard, M4A files contain audio streams encoded with lossy Advanced Audio Coding (AAC) or Apple Lossless Audio Codec (ALAC). Apple adopted the .m4a file extension to differentiate pure audio files from general .mp4 video containers. M4A is the default recording format for iPhone Voice Memos and iTunes purchases. M4A files open seamlessly across all Apple macOS and iOS applications, Windows Media Player on modern Windows, Android media players, VLC, and QuickTime.
WAV is an uncompressed, lossless audio file format co-developed by Microsoft and IBM in 1991 based on the Resource Interchange File Format (RIFF) container structure. WAV files store raw, uncompressed pulse-code modulation (PCM) waveform samples, making them the standard reference container for studio recording, music mastering, and broadcast engineering. Because WAV files undergo zero lossy encoding, they preserve 100% of the acoustic frequency spectrum, dynamic range, and stereo imaging. WAV files can be opened effortlessly on Windows via Windows Media Player, macOS and iOS via QuickTime and Apple Music, and in all digital audio workstations (DAWs) including Pro Tools, Ableton Live, Logic Pro, and Audacity.
| Attribute | M4A (Apple AAC) | WAV (Uncompressed PCM) |
|---|---|---|
| Compression | Lossy AAC / ALAC compressed | Uncompressed raw audio |
| Best For | Mobile listening & voice memos | DAW mixing, podcast editing, transcription |
| Editing Compatibility | Limited in non-Apple DAWs | Universal in all editing software |
Yes! ALAC M4A converts into bit-perfect PCM WAV format.
Yes, 100% free with unlimited conversions.
You can upload M4A files up to 500MB.
Yes, all files are encrypted and automatically deleted from our servers shortly after processing.
44.1kHz or 48kHz provides pristine voice clarity for editing.
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