Thousands of Sonix customers convert their English M4A files to text 
What's the best way to convert English M4A files to text? 
Use Sonix to convert English M4A files to text
Follow these six easy steps to quickly and easily convert your English M4A files to text:
Step 1: Log into your Sonix account
If you don't have one, you can sign up for Sonix's free account—30 minutes of free transcription/translation.

Step 2: Upload your English M4A file
In Sonix, click “Upload” and locate the English M4A file on your computer.

Step 3: Choose language: English
Select English in the dropdown that asks 'What language was spoken?.' Then, click the “Transcribe” button.

Step 4: Sonix transcribes your M4A file
Sonix automatically transcribes your English M4A file and converts it to English text.

Step 5: Polish your English transcript
Edit your English transcript by typing directly into your browser to correct any words that were not transcribed perfectly.

Step 6: Export English text
Export the English text to any format you want including MS Word, PDF, subtitles, or a simple text file.

All done! You have now successfully converted your English M4A file to text!
How to improve the accuracy of your English transcripts?
Start by improving the quality of the English M4A file that you upload to Sonix. Please use high quality recording equipment, recording in a quiet environment, and ensure that your speakers are speaking clearly to ensure that your transcript is as accurate as possible.
Any advice for the English M4A file that I upload?
Yes, please do not over-compress or over-filter the audio track of your English M4A file. By uploading a high quality version of your audio, we can give you the best level of accuracy.
Aside from M4A, do you support other types of audio/video files?
Yes, we do! You can convert the following file types in English with Sonix:
What customers say about Sonix's automated transcription 
I tried 3 other tools online and I can say that sonix blows them out of the water. I was very impressed with the ease of use, the % of words correctly translated and how simple it was to make edits to the translation.
I love the efficiency, accuracy, and simplicity of going through the transcript to edit and then save it into word. Seamless.
The best service available for my language (Czech) - thank you very much for saving me a LOT of work!
Researched and did trials of at least 12 other services. Chose Sonix because of accuracy and simplicity.
It's incredibly fast, and it sets the timing for subtitles perfectly. I dread having to time everything myself, and with Sonix I can do that just by pressing Enter!
The transcription was pretty darn good!
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Convert English M4A files to text with Sonix 
Sonix automatically transcribes and translates your audio/video files in 53+ languages. Easily search, edit, and share your media files. Sonix uses advanced transcription and translation algorithms to convert your English M4A files to text both fast and accurate. Fast, accurate, and affordable. Millions of users from all over the world.
Includes 30 minutes of free transcription











