M4A
Direct upload
No MP3 or WAV conversion needed
MPEG-4 AUDIO, EDITABLE WORDS
Convert M4A to Text Online
Upload an M4A recording directly—including an exported iPhone Voice Memo—and turn spoken audio into editable text. Review uncertain phrases against the source before export.
Create an account when you start · 10 signup credits · No credit card required
START WITH THE RECORDING
Upload your M4A file for transcription
Choose a playable M4A recording below. Set the spoken language, speaker recognition, context, key terms, and transcript style before processing.
Transcription settings
99
Supported languages
Choose one or use auto detect
5 GB
Per-file limit
Upload one playable file at a time
4
Export formats
TXT, Markdown, SRT, and VTT
FOUR-STEP WORKFLOW
How to convert M4A to text
Use one workspace from direct M4A upload to source-backed review and export.
- 01
Upload the M4A file
Choose one playable, unprotected M4A file up to 5 GB. No MP3 or WAV conversion is required.
- 02
Choose the settings
Select a language or auto detect, then add speaker recognition, context, or key terms if useful.
- 03
Run the transcription
Sign in, confirm the estimated credits, and let processing continue in the background.
- 04
Review and export
Check the draft against the source, edit the text, and export TXT, Markdown, SRT, or VTT.
LISTEN, CHECK, EDIT
Review the transcript against the M4A recording
Keep the M4A source beside the draft. Replay uncertain wording, inspect low-confidence phrases, rename speakers, and save corrections before export.
- Replay the M4A source without leaving the transcript
- Jump to low-confidence phrases and check the wording
- Rename speaker labels for a readable conversation
- Edit transcript segments and save the revision before export
CONTAINER, CODEC, RECORDING
What matters before you transcribe an M4A file
M4A describes an MPEG-4 audio container, not a promise about the codec or recording quality. Converting between M4A, MP3, and WAV does not restore information or improve recognition quality. Start with a playable, unprotected source and review the draft against the audio.
Know what M4A means
M4A commonly contains AAC or ALAC audio, but the extension alone does not guarantee either codec or support for every file.
Use an unprotected export
Confirm the recording plays outside its original app. Protected media and DRM removal are not supported.
Keep speech clear
Microphone distance, background noise, clipping, and overlapping voices matter more than the filename or a fixed bitrate.
Let the server verify the file
Recognized M4A MIME labels are normalized for upload, while unknown labels, mismatched extensions, and unreadable media are rejected.
FROM VOICE MEMO TO WORKING TEXT
Where M4A transcripts do useful work
M4A is common in phones, recorders, and media apps. A transcript makes the spoken content easier to search, edit, quote, and caption.
iPhone Voice Memos
Move exported voice notes, reminders, and interviews into editable text you can search and organize.
Meetings and calls
Turn recorded discussions into searchable notes with speaker labels you can review and rename.
Interviews and research
Check quotations against the source recording and export a clean working transcript.
Podcasts and spoken content
Create working text or timed captions from an authorized M4A source without claiming audio repair or enhancement.
M4A TRANSCRIPTION FAQ
Before you convert M4A to text
Practical answers about M4A containers, codecs, browser MIME labels, credits, exports, and source-file access.
Yes. Playable M4A recordings are accepted directly, so you usually do not need to convert them to MP3 or WAV first.
Yes. Export or share the Voice Memo as an M4A file, then upload it here. Confirm that the exported file plays and is not protected media.
M4A is an MPEG-4 audio container commonly used with AAC or ALAC, but the extension alone does not guarantee a codec. Not every codec or damaged file is supported.
Browsers may label an M4A as audio/mp4, audio/x-m4a, audio/m4a, or audio/mpeg4. Those recognized labels are handled as audio/mp4 for upload; an unknown type is rejected rather than trusted.
No DRM removal is provided. Export an unprotected recording you are authorized to use before uploading it.
The per-file upload limit is 5 GB. Upload one playable audio or video file at a time.
The service supports 99 languages. New accounts receive 10 signup credits with no credit card required, and one credit covers one minute of transcription.
You can review and edit the result, then export TXT, Markdown, SRT, or VTT. Summary and translation are not included in this workflow.
The source media remains available for review for up to seven days from task creation. Download anything you want to keep before that window ends; saved text remains available for review and export.
YOUR RECORDING, READY TO READ
Turn the next M4A recording into working text
Upload an M4A recording, review the transcript beside the source audio, and export text or captions you can keep working with.