Convert M4A to MP3 in Seconds

Got an M4A from your iPhone or Mac? Profi PDF flips it to MP3 instantly — no apps, no accounts, totally free.

Instant M4A to MP3

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Universal MP3 Compatibility

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M4A to MP3 Converter — Convert M4A Audio Files to MP3 Online Free | Profi PDF

Pick Your M4A File. Drag your M4A into Profi PDF or tap to browse. Voice memos, podcast recordings, iTunes exports — all welcome.

Profi PDF Converts It. Our engine flips your M4A to a clean, high-quality MP3 in seconds. No quality loss, no fuss.

Download Your MP3. Hit download and you are done. Share it anywhere — Spotify, WhatsApp, your podcast feed, wherever.

あなたの完全な音声・動画ツールキット

書き起こし、変換、抽出 — 音声・動画のすべてを一箇所で処理。

AI書き起こし

話者ラベル、タイムスタンプ、95%以上の精度で音声をテキストに。

フォーマット変換

MP3、WAV、M4A、OGG、FLAC — 任意の音声または動画フォーマットを瞬時に変換。

動画から音声へ

MP4、YouTube、Zoom録音などから音声を抽出。

超高速

ほとんどのファイルは3分以内に処理。待ち時間なし。

登録不要

すぐに開始

100%安全

自動削除

ブラウザベース

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このツールを愛用する人々

ポッドキャスター、研究者、マーケター、リモートチームが毎日利用しています。

Feb 10

Finally plays on everything

My whole voice memo library was stuck in M4A. Profi PDF converted them all to MP3 and now they play on every device I own. Should have done this ages ago.

Tom Erikson

Jan 31

Dead simple, works perfectly

Needed to convert some iTunes recordings for a client. Profi PDF did it in under a minute with zero quality drop. Exactly what I needed.

Amara Diallo

Feb 6

Cleanest converter out there

No ads, no sketchy buttons, no email walls. Profi PDF just converts and lets you download. Refreshingly simple.

Jake Whitfield

824 人が今日ファイルを変換しました

読み込み中...

信頼され、認定された業界のリーダー

なぜこの音声・動画ツールを選ぶのか

iPhone Voice Memos? Sorted.

Apple records everything in M4A. Profi PDF converts them to MP3 so they play literally everywhere — no more compatibility headaches.

Sounds Just as Good

Profi PDF uses high-quality encoding so your MP3 sounds as crisp as the original M4A. No weird artifacts, no muffled audio.

Batch-Friendly

Got a pile of M4A files? Profi PDF handles them fast. Convert one or many — the speed stays the same.

Works on Any Device

Mac, Windows, Android, iPhone — Profi PDF runs in any browser. No installs, no updates, no drama. Just open and go.

Transcribe It After

Once you have your MP3, run it through Profi PDF AI transcription and get a text transcript in minutes. Full workflow, one place.

Locked Down Tight

Your files are encrypted in transit and auto-deleted from Profi PDF servers after conversion. Zero data stored, zero risk.

iPhone Voice Memos? Sorted.

Apple records everything in M4A. Profi PDF converts them to MP3 so they play literally everywhere — no more compatibility headaches.

Sounds Just as Good

Profi PDF uses high-quality encoding so your MP3 sounds as crisp as the original M4A. No weird artifacts, no muffled audio.

Batch-Friendly

Got a pile of M4A files? Profi PDF handles them fast. Convert one or many — the speed stays the same.

Works on Any Device

Mac, Windows, Android, iPhone — Profi PDF runs in any browser. No installs, no updates, no drama. Just open and go.

Transcribe It After

Once you have your MP3, run it through Profi PDF AI transcription and get a text transcript in minutes. Full workflow, one place.

Locked Down Tight

Your files are encrypted in transit and auto-deleted from Profi PDF servers after conversion. Zero data stored, zero risk.

M4A to MP3 Online

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Convert M4A to MP3

4.6

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4.5

13,920 件のレビュー

4.6

4,550 件のレビュー

よくある質問

音声・動画の書き起こしと変換ツールに関する簡単な回答。