Audio Converter

Bring Your iPhone Recordings and GarageBand Exports into Any DAW

Upload your M4A file and get a WAV that imports without friction into Pro Tools, Ableton, Reaper, and every hardware sampler — decoded from the AAC audio inside the M4A to full uncompressed PCM that every professional audio tool accepts.

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Bring Your iPhone Recordings and GarageBand Exports into Any DAW

Free Tool

Audio Format Converter

Upload any audio file, choose an output format, and download the converted result. Supports MP3, WAV, FLAC, AAC, OGG, ALAC, WMA, Opus and M4A.

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Musician at a DAW workstation with an iPhone and laptop in a home studio

Import iPhone Voice Memos Directly into Pro Tools or Ableton

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Import iPhone Voice Memos Directly into Pro Tools or Ableton

iPhone voice memos are saved as M4A files. Pro Tools does not import M4A natively, and Ableton requires a format conversion step before M4A files appear in the browser. Converting to WAV produces a file that imports into any DAW without format warnings, re-link dialogs, or manual bounce steps. The WAV contains the fully decoded audio from the M4A, ready for editing, mixing, and plugin processing.

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Producer at a MacBook with GarageBand open, exporting a project to WAV

Export GarageBand Projects to WAV for Professional Editing

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Export GarageBand Projects to WAV for Professional Editing

GarageBand for iOS and macOS exports finished projects as M4A. Producers who start a project in GarageBand and want to continue in a professional DAW — or send stems to a mixing engineer — need WAV files. Converting GarageBand M4A exports to WAV gives the mixing engineer a universally compatible file that imports into Pro Tools, Logic Pro, or any other DAW without extra steps.

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Music producer at a hardware sampler with a USB drive and sample pads

Load M4A Music and Samples onto Hardware Samplers as WAV

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Load M4A Music and Samples onto Hardware Samplers as WAV

Hardware samplers including the Akai MPC, Roland SP-404, Elektron Digitakt, and Native Instruments Maschine read WAV from their internal storage or SD cards. They do not support M4A or AAC natively. Musicians who download or record audio as M4A can convert to WAV for loading onto any hardware sampler — preserving the decoded audio at the full quality the M4A contains.

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How It Works

Three steps to a universally compatible WAV from your M4A

Upload your M4A file

Drop your .m4a file onto the tool or click to browse. iPhone voice memos, GarageBand exports, iTunes downloads, and any M4A audio file are all accepted.

Convert to WAV

Click "Convert". FFmpeg decodes the AAC audio from inside the M4A container to uncompressed PCM and stores it in a WAV file, preserving the original sample rate and channel layout.

Download your WAV file

Download your .wav file ready to import into any DAW session, load onto a hardware sampler, or deliver to a mixing or mastering engineer.

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Deep Dive

M4A to WAV: From Apple Container to Universal Uncompressed Audio

M4A is Apple's audio container holding compressed AAC audio. WAV is the uncompressed format every professional tool accepts. Converting between them decodes the lossy AAC to PCM — no further quality loss, and full compatibility everywhere.

Musicians, producers, mixing engineers, and sound designers converting M4A to WAV

What Is Inside an M4A File

M4A is a file extension introduced by Apple for audio-only MPEG-4 files. The container is identical to MP4, but the .m4a extension signals to Apple software that the file contains audio only. The audio inside is almost always AAC (Advanced Audio Coding) — a lossy codec that provides good quality at small file sizes. Some M4A files purchased from older iTunes stores contained DRM-protected AAC; modern iTunes purchases and iPhone recordings are DRM-free.

ContainerMPEG-4 Part 14 (same as .mp4), Apple convention to signal audio-only

Audio codecAAC-LC in most cases; ALAC for Apple Lossless M4A files

Common sourcesiPhone voice memos, GarageBand exports, iTunes purchases, Apple Music downloads

Renaming a .m4a to .mp4 produces an identical file — the container is the same.

WAV: The Format Every DAW and Sampler Accepts Without Question

WAV stores uncompressed PCM audio — no codec, no container complexity, just raw sample data. Every DAW, every hardware sampler, every audio editor, every broadcast system, and every mastering tool in existence imports WAV without a format error. It requires no codec installation and never triggers a compatibility warning. WAV is the lowest common denominator of professional audio and that is exactly why converting to it solves compatibility problems immediately.

DAW supportPro Tools, Logic Pro, Ableton Live, Reaper, Cubase, FL Studio, Studio One — all native

Hardware supportAkai MPC, Roland SP-404, Elektron Digitakt, Maschine, every sampler ever built

File size4-minute stereo 44.1 kHz 16-bit: ~40 to 50 MB (vs ~4 to 8 MB for M4A)

Does Converting M4A to WAV Improve Quality?

No. M4A holds lossy AAC audio. Decoding AAC to PCM and storing it as WAV does not restore the audio information that AAC discarded during encoding. The WAV contains exactly the audio the M4A decoder produces — no worse, but no better. The value of converting to WAV is compatibility, not quality improvement. Every future re-encode from this WAV starts from the decoded M4A quality level, introducing no additional loss.

Quality changeNone — WAV holds what the AAC decoder produced from the M4A

Future re-encodesConverting from WAV to MP3, OGG, or any format adds only one more lossy pass

If quality is the priority, record directly to WAV or FLAC from the start. M4A to WAV is always a compatibility operation.

When WAV Is the Right Destination from M4A

Convert M4A to WAV when the destination is a DAW that does not natively import M4A, a hardware sampler that only reads WAV, a mastering engineer who requires WAV stems, or any professional tool that specifies WAV as the required format. Keep the original M4A for music library playback and sharing — WAV files are 5 to 10 times larger and do not add any quality for listening purposes.

Convert to WAV forPro Tools, hardware samplers, mastering delivery, sample pack creation, audio processing tools

Keep M4A foriPhone playback, Apple Music library, iTunes, sharing via messages or email

Our converter uses FFmpeg to decode the AAC audio from the M4A container and write uncompressed PCM to WAV, preserving the original sample rate and channel layout.

Benefits

Why Convert M4A to WAV

🎛️

Imports into Every DAW Natively

Pro Tools, Ableton, Logic, Reaper, and every other DAW import WAV without format errors, re-links, or conversion prompts.

🥁

Works on Any Hardware Sampler

Akai MPC, Roland SP-404, Elektron Digitakt, Maschine, and every hardware sampler reads WAV from SD cards and USB drives.

📞

Turns iPhone Recordings Into Pro-Ready Files

iPhone voice memos and GarageBand exports become DAW-ready WAV files in one step, without any iOS app or Apple software required.

⚡

Fast Conversion

Most M4A files convert to WAV in under 30 seconds on dedicated FFmpeg servers.

Who Uses It

Who Converts M4A to WAV

Musicians editing iPhone voice memos in a DAW, producers exporting GarageBand projects for professional mixing, sound designers loading samples onto hardware, mixing engineers receiving Apple recordings from clients, and podcasters editing voice recordings on professional tools.

Musicians, producers, mixing engineers, and podcasters converting M4A to WAV

Musicians Editing iPhone Voice Memos in Pro Tools or Ableton

Songwriters and musicians capture ideas as iPhone voice memos — a melody, a chord progression, a lyric idea. The memo saves as M4A. Pro Tools does not import M4A natively; Ableton requires a workaround. Converting to WAV produces a file that drops directly into any session for editing, pitch correction, or use as a reference track alongside the full production.

Pro ToolsRequires WAV or AIFF; M4A triggers an unsupported format error on import

Ableton LiveRequires AAC or MP3; M4A files may not appear in the browser without conversion

Producers Sending GarageBand Exports to a Mixing Engineer

GarageBand for iOS exports finished tracks as M4A. Producers who want a mixing engineer to work on a GarageBand project need to provide WAV stems. Converting each M4A export to WAV gives the mixing engineer universally compatible files that open in any DAW — Pro Tools, Logic, Reaper, or whatever the engineer uses.

Sound Designers Loading M4A Samples onto Hardware

Hardware samplers require WAV. Sound designers who download royalty-free samples, field recordings, or sound effects as M4A from libraries or apps can convert to WAV for loading onto an Akai MPC, Elektron Digitakt, or Roland SP-404. The converted WAV holds the same decoded audio from the M4A.

Compatible samplersAkai MPC series, Roland SP-404, Elektron Digitakt, Octatrack, Native Instruments Maschine+

Mixing Engineers Receiving Apple Recordings from Clients

Mixing engineers regularly receive files from clients who record on iPhone or export from GarageBand. The files arrive as M4A. Engineers who prefer to work in Pro Tools or another DAW that does not natively handle M4A can convert the client files to WAV on ingest, creating a standard working format for the session.

Podcasters Editing Voice Recordings on Non-Apple Tools

Podcast hosts who record episodes on iPhone using Voice Memos or a recording app that outputs M4A can convert to WAV for editing in Audacity, Adobe Audition, or Reaper. WAV is the universal input format for all audio editing tools regardless of platform.

AudacityImports WAV natively on all platforms; M4A requires FFmpeg plugin on some systems

Content Creators Adding M4A Audio to Video Projects

Video editors using DaVinci Resolve, Premiere Pro, or Final Cut Pro who receive M4A audio tracks alongside video footage can convert to WAV for a clean timeline import. WAV audio tracks import reliably across all video editing tools without codec warnings or sync issues.

Converts using FFmpeg on dedicated servers.

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Frequently Asked Questions

Does converting M4A to WAV improve audio quality?

No. M4A holds lossy AAC audio. Decoding it to WAV produces an uncompressed file containing exactly the audio the AAC decoder outputs — no worse than the M4A, but no better. Quality information discarded during the original AAC encoding cannot be recovered. The WAV is larger because it stores raw PCM without compression, not because it contains more audio information.

Why does Pro Tools not open my M4A file?

Pro Tools does not support M4A or AAC as native audio clip formats. It expects WAV (BWF) or AIFF. Attempting to import a .m4a file into a Pro Tools session results in an unsupported format error. Converting to WAV produces a file Pro Tools imports directly without any error or quality loss.

Can I convert my iPhone voice memos to WAV this way?

Yes. iPhone voice memos are saved as M4A files with AAC-LC audio inside. Uploading the .m4a voice memo file and converting produces a WAV containing the fully decoded audio, ready for any DAW, audio editor, or professional tool. The quality is identical to what the M4A decoder produces — no worse, and no additional lossy compression is applied.

Will GarageBand exports convert correctly?

Yes. GarageBand for iOS and macOS exports audio as M4A with AAC audio inside. The converter decodes the AAC to PCM and produces a WAV at the original sample rate and channel layout. The resulting WAV imports into Pro Tools, Ableton Live, Reaper, and any other DAW without format errors.

Why is the WAV file so much larger than the M4A?

M4A holds AAC audio, which uses lossy compression to achieve small file sizes. WAV stores uncompressed PCM — every audio sample as raw bytes with no compression applied. A 4-minute voice memo might be 4 to 8 MB as M4A and 40 to 50 MB as WAV. The size difference reflects the absence of compression in the WAV, not any addition of audio data.

Is there a file size limit?

The upload limit is 100 MB per file. Most M4A audio recordings are well within this limit.

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