What file formats can I convert with Sonix?
Sonix converts 44+ audio and video formats — including MP3, MP4, M4A, WAV, MOV, and OGG — into text, PDF, Word, SRT, VTT, subtitles, and captions.
Convert audio & video to any format you need
Upload once, export anywhere. Turn your recordings into text, PDF, Word documents, subtitles, and captions in minutes — in 54+ languages.
Free to start — no credit card required.View pricing
44+ file formats
54+ languages
99% accuracy
Convert audio & video to any format
Choose what you want to create, then jump straight to the format you're starting from. Every link below is a real, ready-to-use conversion guide.
Convert to Text
Editable, searchable transcripts you can copy, share, or refine in the Sonix editor.
Convert to PDF
Polished, ready-to-share PDF transcripts — ideal for records, briefs, and handoffs.
Convert to Subtitles
Sidecar or burned-in subtitles that make every video watchable without sound.
Convert to Word (DOCX)
Fully formatted Microsoft Word documents you can edit and brand however you like.
Convert to SRT
Frame-accurate SRT files for YouTube, Vimeo, and every major video platform.
Convert to VTT
WebVTT captions for the web, HTML5 video players, and accessibility compliance.
Convert to Captions
Accessible closed captions that meet ADA, FCC, and platform requirements.
More ways to convert & transcribe
Jump straight to a related format, language, or tool — every link below is a real page.
Converting files:
frequently asked questions
How do I convert a video to subtitles or captions?
Upload your video, let Sonix transcribe it automatically, then export SRT, VTT, or burned-in captions in one click. You can polish the wording in the editor first.
Can I convert a recording to a PDF or Word document?
Yes. Every transcript can be exported as a formatted PDF or Microsoft Word (DOCX) file, ready to share, print, or archive.
What languages does Sonix support?
Sonix transcribes and converts files in 54+ languages with up to 99% accuracy, including Spanish, Arabic, Portuguese, French, Russian, and Chinese.
How accurate and fast is the conversion?
Sonix delivers up to 99% accuracy and transcribes most files in a fraction of their runtime, so a one-hour recording is ready in minutes.
How much does converting cost?
Transcription starts at $10 per hour of audio or video, prorated to the second, and subscriptions bring the effective rate down. Estimate your exact monthly cost with our interactive calculator.
Start converting your files today
Create a free account and convert your first files in minutes — no credit card required.
