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M4A to text, Voice Memos included

Read an M4A from Voice Memos or a recorder app as text. Free accounts read the first 15 min of each file.

M4A · MP3 · WAV · FLAC · OGG · OGA · WebM · AAC · AMR · SPX · OPUS · MP4 · MOV · MKV

Free: read the first 15 min of each file · up to 5 h · 512 MB

Privacy policy

Sample output

00:00 Maya Thanks for joining. Let's start with the launch date.

00:04 Daniel Design is done, but the store listing still needs screenshots.

00:10 Maya Can we have those by Friday?

00:13 Daniel Yes, if marketing sends the final copy tomorrow.

00:18 Priya I'll send it tonight.

00:21 Maya Great. Then the launch date stays where it is.

The team keeps the launch date. Design is finished, and the store screenshots will be ready by Friday once marketing sends the final copy, which Priya sends tonight.

  1. 00:00 Launch date
  2. 00:10 Store screenshots by Friday
  3. 00:18 Final copy tonight
1
00:00:00,000 --> 00:00:03,600
Maya: Thanks for joining. Let's start with the launch date.

2
00:00:04,000 --> 00:00:09,200
Daniel: Design is done, but the store listing still needs screenshots.

3
00:00:10,000 --> 00:00:12,100
Maya: Can we have those by Friday?

4
00:00:13,000 --> 00:00:17,400
Daniel: Yes, if marketing sends the final copy tomorrow.

5
00:00:18,000 --> 00:00:19,800
Priya: I'll send it tonight.

6
00:00:21,000 --> 00:00:24,500
Maya: Great. Then the launch date stays where it is.
  • A transcript with timestamps and speaker labels you can rename
  • Speech in 55 languages, or automatic language detection
  • An AI summary and chapters you can jump between
  • Download as TXT, SRT, VTT, Word (DOCX), with subtitles timed to the spoken words
  • Video files too: only the audio track uploads
  • Filler words and repeats removed or kept, your choice

Need the full recording?

  • The whole transcript of every file, not only the first 15 min
  • 50 h of file transcription a month, with no daily file limit
  • Downloads of the whole transcript as TXT, SRT, VTT, Word (DOCX)

$15.99 a month, or $12.99 a month billed yearly

View Sync Pro plans

How it works

  1. Share your Voice Memo or recording as an M4A file.
  2. Choose it here, set the spoken language and press Transcribe.
  3. Read the transcript with speaker labels in your library.

Getting an M4A out of Voice Memos

Voice Memos on iPhone records in M4A. To get a file you can upload, open the recording, tap the share button and, under Options, choose Rendered. Apple describes this as mixing all audio effects and layers into an .m4a file, which is exactly what the transcription needs. Save it somewhere you can find it, then pick it when you choose a file on this page.

M4A holds compressed AAC audio, so memos stay small even when they run long; a lecture or interview recorded on a phone is usually far below the 512 MB limit. Many Android recorder apps and dictation apps save M4A too, and those files upload the same way.

If your iPhone already shows its own transcript for a memo, you can still upload the file here to get speaker labels, a summary and chapters, kept in your library with the rest of your recordings. You choose the spoken language or let us detect it.

Free vs Sync Pro

FreeSync Pro
Readable transcriptFirst 15 min of each fileThe whole transcript
Transcription hours6 h in total50 h of uploads a month
Files per dayUp to 10No daily file limit
Longest and largest file5 h · 512 MB5 h · 512 MB
DownloadsTXT, SRT, VTT, Word (DOCX), first 15 minTXT, SRT, VTT, Word (DOCX)
PriceFree$15.99 a month, or $12.99 a month billed yearly

See Sync Pro pricing

Questions

How do I transcribe voice memos on iPhone?

Open the memo in Voice Memos, tap the share button, choose Options and select Rendered, then save the file. Open this page in Safari, tap Choose a file and pick the memo. Set the language and press Transcribe.

Is M4A the same as AAC?

Not quite. M4A is the file wrapper, and in most cases AAC is the audio inside it. Both upload here, so there is no need to convert between them before you transcribe.

Can I transcribe an M4A for free?

Yes, with limits. Your account has 6 h of free transcription in total, and each memo uses hours equal to its length. On the free plan you read the first 15 min of each transcript.

How long can a voice memo be?

Up to 5 h and 512 MB per file. Because M4A is compressed, the length limit is usually the one you reach first, not the size limit, so long memos rarely need splitting.

M4A to text, Voice Memos included

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