File Formats

Convert any file format to text

Sonix supports 44+ audio and video file formats. Upload your files and get accurate transcripts in minutes, not hours.

44+ formats
53+ languages
99% accuracy
Audio
Video
DOCX
SRT/VTT
PDF
53+ Languages
44+
File Formats
Audio and video formats supported
53+
Languages
Languages for transcription
30+
Export Options
Text, PDF, DOCX, SRT, VTT
99%
Accuracy Rate
Industry-leading AI accuracy
Common Questions

Everything you need to know about
file formats

What audio file formats does Sonix support?

Sonix supports all major audio formats including MP3, WAV, M4A, AAC, FLAC, OGG, WMA, and many more. Our AI-powered transcription works with over 30 different audio file extensions.

What video file formats can I convert to text?

Sonix supports all popular video formats including MP4, MOV, AVI, MKV, WEBM, WMV, and more. We extract the audio track and transcribe it with high accuracy.

How accurate is Sonix transcription?

Sonix achieves up to 99% accuracy using advanced AI speech recognition. Accuracy depends on audio quality, speaker clarity, and background noise levels.

What export formats are available?

Export your transcripts in multiple formats: plain text (.txt), Microsoft Word (.docx), PDF, SRT subtitles, VTT captions, and more specialized formats like FCPXML for video editors.

Can I transcribe files in different languages?

Yes! Sonix supports transcription in over 53 languages including English, Spanish, French, German, Chinese, Japanese, and many more. You can also translate transcripts between languages.

Is there a file size limit?

Sonix supports files up to 4GB in size. For larger files, you can split them into smaller segments or contact our support team for enterprise solutions.

Why Sonix

The best way to convert files to text

Universal Compatibility

Support for 44+ audio and video file formats means you can upload virtually any file without conversion.

Lightning Fast

Our AI processes files 10x faster than real-time. Get a transcript of a 30-minute recording in just 3 minutes.

Multiple Export Options

Export to text, Word, PDF, SRT, VTT, and more. Integrate seamlessly into your workflow.

53+ Languages

Transcribe and translate in over 53 languages. Reach global audiences with multilingual support.

Customer Reviews

Trusted by professionals worldwide

4.98 rating from 211 reviews

This is the best software I've used for transcription. Really happy about that!
LP
Lakshmi P.
Bengaluru, India
I thought it was absolutely amazing, flawless.
RM
Rutger M.
Amsterdam, Netherlands
I found out out you guys because I had to do some transcribing for me yearbook class and my friend recommended you guys. It was a very easy process and it took hours off the time I had to a...
TM
Tracy M.
Brooklyn, NY USA
Sonix is faster and better than YouTube at making captions for my videos!
FN
Francisco N.
Concepcion, Chile
Was using another software before, but their prices went up. Your prices are better and the transcription seems more accurate. I also like that you automatically take out all of th...
JM
Josh M.
Grand Junction, CO, USA
Having tried numerous transcription services, this was undoubtedly the best. There were features (such as the synching up of the audio to the words for review) that I hadn’t ever h...
RD
Raeven D.
Montreal, Canada
Get Started

Start converting your 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.