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

I have to say the Arabic transcription was pretty awesome.
DM
David M.
Marylebone, UK
Content is still king. Google can’t crawl audio from webinars and videos. Getting that content transcribed with Sonix is an absolute must if you want to drive more leads to your web site.
VS
Val S.
San Francisco, CA USA
Your product is amazing, I love so many features including the video capture on the side, ability to change the transcript as you go, highlighting, downloading audio files... SEARC...
VN
Vera N.
Brooklyn, NY USA
The accuracy, that's what I like the most.
DV
Douglas V.
Santiago de Surco, Peru
I loved my experience cause Sonix has a really good tutorial and it got the words from the audio pretty well. It really did it what I needed really fast, even if it was the first t...
MI
Marco I.
Porto Viro, Italy
In one word? FAN-TAS-TIC!! The possibility to split the transcript to subtitles AND split them! THAT IS FANTASTIC!!
PK
Paul K.
Amsterfoot, Netherlands
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.