How do I translate French audio to Spanish?
Upload your French audio to Sonix. We transcribe the French audio first, then translate to Spanish. Export as subtitle files or burn captions into the video.
Convert your French audio content to Spanish subtitles in minutes. Sonix transcribes French audio, then translates to Spanish with AI-powered accuracy.










Your French content can reach Spanish-speaking audiences worldwide. Translated subtitles open doors to millions of new viewers.
Viewers engage more with content in their native language. Spanish subtitles from French audio increase watch time significantly.
Human French-to-Spanish translation costs $50+/hour. Sonix translates at a fraction of the cost in minutes.
AI-powered French-to-Spanish translation with human-level accuracy. Edit and refine in our browser-based editor.
The ability to translate French audio content to Spanish has become essential in our interconnected world. Whether you're a business expanding into Spanish-speaking markets, an educator creating multilingual learning materials, or a content creator building a global audience, French-to-Spanish translation bridges the gap between your message and millions of potential viewers who prefer content in Spanish.
Professional French-to-Spanish translation traditionally required expensive human translators, often costing hundreds of dollars per hour of content. The process was slow, sometimes taking weeks to complete a single project. Sonix revolutionizes this workflow by combining advanced French speech recognition with sophisticated Spanish translation algorithms, delivering results in minutes rather than days while maintaining professional-grade quality.
The Sonix French-to-Spanish translation process begins with our industry-leading speech recognition technology. When you upload your French audio file, our AI models—trained on millions of hours of French audio—accurately transcribe every word, capturing nuances like speaker identification, punctuation, and timing. This French transcript forms the foundation for high-quality Spanish translation.
Once transcription is complete, our neural machine translation engine converts the French text to Spanish. Unlike basic word-for-word translation, our system understands context, idioms, and cultural expressions, producing Spanish subtitles that read naturally to native speakers. The translation preserves the original timing and speaker labels, ensuring perfect synchronization with your audio content.
Sonix provides a powerful side-by-side editor where you can view your original French transcript alongside the Spanish translation. This makes it easy to verify accuracy, adjust phrasing for your specific audience, and ensure technical terms or brand names are handled correctly. You can click any segment to hear the corresponding audio, making the review process intuitive and efficient.
For specialized content—legal proceedings, medical discussions, or technical tutorials—the editor lets you fine-tune translations to match industry-specific terminology. You can also adjust subtitle timing, merge or split segments, and customize caption styling before export. The result is a polished Spanish version of your French content ready for distribution.
Once your French-to-Spanish translation is complete, Sonix offers flexible export options to fit any workflow. Download Spanish subtitles as SRT or VTT files for YouTube, Vimeo, or social media platforms. Export to Word or PDF for documentation purposes. Or use our burn-in feature to permanently embed Spanish captions into your audio file, ensuring they display correctly on any device or platform without requiring viewer settings.
Get 30 minutes minutes free. No credit card required. See how easy French-to-Spanish translation can be.
Beyond Spanish, Sonix supports translation to 54+ languages worldwide.
Upload your French audio in any popular format. Sonix handles the rest.
Industry-leading French speech recognition trained on millions of hours of audio for maximum accuracy.
Context-aware translation produces natural Spanish that reads smoothly to native speakers.
Compare French and Spanish text side by side. Click any segment to hear the audio.
Style your Spanish subtitles with custom fonts, colors, and positioning. Burn into video if needed.
Export Spanish subtitles as SRT, VTT, Word, PDF, or 30+ other formats.
Get your French-to-Spanish translation in minutes, not days or weeks.
Upload your French audio file to Sonix. We accept MP4, MOV, MP3, WAV, and all common formats.
Sonix transcribes your French audio to create accurate source text for translation.
Select Spanish from the translation menu. Review the translation in our side-by-side editor.
Export Spanish subtitles as SRT/VTT or burn captions into your audio.
Upload your French audio to Sonix. We transcribe the French audio first, then translate to Spanish. Export as subtitle files or burn captions into the video.
Sonix uses advanced AI that delivers natural Spanish translations. Our side-by-side editor lets you review and refine any translation for your specific context.
Most files are transcribed and translated in under 5 minutes. Longer files take proportionally more time but are still much faster than human translation.
Yes! Our editor shows French and Spanish side by side. Click any segment to hear the audio, adjust phrasing, and perfect your translation.
Sonix accepts all common audio formats including MP4, MOV, AVI, MP3, WAV, M4A, and many more. Upload directly or from cloud storage.
Absolutely! Sonix supports 54+ languages. Translate your French content to Spanish, French, German, Japanese, and many more.
Translate French to Spanish in minutes. No complex setup or technical knowledge required.
Pay a fraction of human translation costs. French-to-Spanish translation included with transcription.
AI accuracy with human-level quality. Edit and perfect your Spanish subtitles in our browser.
Transcribe French, translate to Spanish, caption, and export—all in one platform.
Transcription was almost perfect!!
I’ve been using your transcription software for about a year now. I just wanted to let you guys know that I think it is incredible. I have tried many alternatives, and none of them have been able to match the accuracy of Sonix!
I need to produce very accurate transcripts and the initial transcripts Sonix produces are much better than competitors (I've used many others).
I love how quick, affordable and accurate it is, but what I like MOST is that the words are highlighted as the recording speaks them!
This technology managed to shock me! It saved me so much time and effort!
I was amazed at how accurate Sonix is.
I am VERY happy with the transcription! There were a few glitches, but 98% great.
I have a 30-40 minute commute to work and like to dictate memos and other brief documents along the way–but I haven't had an easy way to get them transcribed...until now. Thanks Sonix!
Start with 30 minutes minutes free. No credit card required.
AI transcription and translation in 53+ languages.