Convert any audio file to text

Sonix supports 30+ audio file formats. Upload your MP3, WAV, M4A, or any audio file and get accurate transcripts in minutes.

30+ formats
53+ languages
99% accuracy
MP3
WAV
M4A
AAC
FLAC
OGG
30+
Audio Formats
MP3, WAV, M4A, AAC, FLAC, and more
53+
Languages
Languages for transcription
30+
Export Options
Text, PDF, DOCX, SRT, VTT
99%
Accuracy Rate
Industry-leading AI accuracy
Common Questions

Everything about audio transcription

What audio file formats does Sonix support?

Sonix supports all major audio formats including MP3, WAV, M4A, AAC, FLAC, OGG, WMA, AIFF, and over 30 more. Upload any audio file and we'll transcribe it.

Which audio format gives the best transcription accuracy?

Uncompressed formats like WAV and AIFF typically give the best results. However, high-quality MP3 files (192kbps+) also produce excellent transcriptions.

Can I convert podcasts to text?

Yes! Upload your podcast audio file in any format and Sonix will transcribe it. You can then create show notes, blog posts, or searchable transcripts.

How do I transcribe voice memos?

Simply upload your voice memo file (M4A from iPhone, or any format) to Sonix. We'll transcribe it in minutes with speaker identification.

Can I transcribe music with lyrics?

Sonix is optimized for speech transcription. While it can transcribe sung lyrics, it works best with spoken content like podcasts, interviews, and meetings.

What's the maximum audio file size?

Sonix supports audio files up to 4GB in size. For longer recordings, our intelligent processing handles them efficiently.

Why Sonix

The best audio to text converter

All Audio Formats

Support for MP3, WAV, M4A, AAC, FLAC, OGG, WMA, and 30+ more audio formats.

Crystal Clear Results

Advanced AI optimized for audio clarity. Get accurate transcripts even from compressed audio.

Speaker Detection

Automatic speaker identification separates different voices in your audio recordings.

Timestamps Included

Every word is timestamped for easy navigation and reference in your transcript.

Customer Reviews

Trusted by audio professionals

4.98 rating from 211 reviews

I really enjoyed how quickly and accurate the transcription system was. Will definitely use again in the future. I have recommended you to a friend.
WP
Walker P.
Wheeling, WV USA
Very impressed of your product. The general concept is ingenious for the task to be accomplished and the implementation is impressive. Your product gives great sat...
ML
Michael L.
Tel Aviv, Israel
It really accelerated my work and I was amazed by the accuracy, especially given that the video featured only non-native speakers.
MC
Martin C.
Nottingham, United Kingdom
The transcription was fast and accurate.
JT
John T.
Chanthaburi, Thailand
Amazed by the software even in quite mixed audio!
SG
Simon G.
Derby, United Kingdom
The recording I transcribed was poor quality at best, so I was pleasantly surprised by how accurately Sonix captured the text. And your editor is absolutely brilliant!
PS
Patrick S.
Prague, Czechia
Get Started

Convert your audio files today

Try Sonix free with 30 minutes of transcription. No credit card required.

99% accuracy. Every word matters.

AI transcription and translation in 53+ languages.

30 minutes free
No credit card
Cancel anytime