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










Your Spanish content can reach Portuguese-speaking audiences worldwide. Translated subtitles open doors to millions of new viewers.
Viewers engage more with content in their native language. Portuguese subtitles from Spanish audio increase watch time significantly.
Human Spanish-to-Portuguese translation costs $50+/hour. Sonix translates at a fraction of the cost in minutes.
AI-powered Spanish-to-Portuguese translation with human-level accuracy. Edit and refine in our browser-based editor.
The ability to translate Spanish video content to Portuguese has become essential in our interconnected world. Whether you're a business expanding into Portuguese-speaking markets, an educator creating multilingual learning materials, or a content creator building a global audience, Spanish-to-Portuguese translation bridges the gap between your message and millions of potential viewers who prefer content in Portuguese.
Professional Spanish-to-Portuguese 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 Spanish speech recognition with sophisticated Portuguese translation algorithms, delivering results in minutes rather than days while maintaining professional-grade quality.
The Sonix Spanish-to-Portuguese translation process begins with our industry-leading speech recognition technology. When you upload your Spanish video file, our AI models—trained on millions of hours of Spanish audio—accurately transcribe every word, capturing nuances like speaker identification, punctuation, and timing. This Spanish transcript forms the foundation for high-quality Portuguese translation.
Once transcription is complete, our neural machine translation engine converts the Spanish text to Portuguese. Unlike basic word-for-word translation, our system understands context, idioms, and cultural expressions, producing Portuguese subtitles that read naturally to native speakers. The translation preserves the original timing and speaker labels, ensuring perfect synchronization with your video content.
Sonix provides a powerful side-by-side editor where you can view your original Spanish transcript alongside the Portuguese 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 Portuguese version of your Spanish content ready for distribution.
Once your Spanish-to-Portuguese translation is complete, Sonix offers flexible export options to fit any workflow. Download Portuguese 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 Portuguese captions into your video file, ensuring they display correctly on any device or platform without requiring viewer settings.
Get 30 minutes free. No credit card required. See how easy Spanish-to-Portuguese translation can be.
Beyond Portuguese, Sonix supports translation to 53+ languages worldwide.
Upload your Spanish video in any popular format. Sonix handles the rest.
Industry-leading Spanish speech recognition trained on millions of hours of audio for maximum accuracy.
Context-aware translation produces natural Portuguese that reads smoothly to native speakers.
Compare Spanish and Portuguese text side by side. Click any segment to hear the audio.
Style your Portuguese subtitles with custom fonts, colors, and positioning. Burn into video if needed.
Export Portuguese subtitles as SRT, VTT, Word, PDF, or 30+ other formats.
Get your Spanish-to-Portuguese translation in minutes, not days or weeks.
Upload your Spanish video file to Sonix. We accept MP4, MOV, MP3, WAV, and all common formats.
Sonix transcribes your Spanish audio to create accurate source text for translation.
Select Portuguese from the translation menu. Review the translation in our side-by-side editor.
Export Portuguese subtitles as SRT/VTT or burn captions into your video.
Upload your Spanish video to Sonix. We transcribe the Spanish audio first, then translate to Portuguese. Export as subtitle files or burn captions into the video.
Sonix uses advanced AI that delivers natural Portuguese 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 Spanish and Portuguese side by side. Click any segment to hear the audio, adjust phrasing, and perfect your translation.
Sonix accepts all common video formats including MP4, MOV, AVI, MP3, WAV, M4A, and many more. Upload directly or from cloud storage.
Absolutely! Sonix supports 53+ languages. Translate your Spanish content to Spanish, French, German, Japanese, and many more.
Translate Spanish to Portuguese in minutes. No complex setup or technical knowledge required.
Pay a fraction of human translation costs. Spanish-to-Portuguese translation included with transcription.
AI accuracy with human-level quality. Edit and perfect your Portuguese subtitles in our browser.
Transcribe Spanish, translate to Portuguese, caption, and export—all in one platform.
The best thing ever, nothing more to say.
Sonix is faster and better than YouTube at making captions for my videos!
The accuracy of the AI voice recognition is amazing! Sonix is by far the most accurate of the 5 or 6 services that I tested.
Your product is amazing and transcribed my files almost all accurately!
You guys were SO easy to use. Competitors made my life so complicated but you guys were a breeze to work with!
I am VERY happy with the transcription! There were a few glitches, but 98% great.
The interface and editor experience were great. I also like the way you handle speaker identification and naming. Pretty slick. Nice timestamp frequency / formatting too.
Time is money, and that is exactly what Sonix is saving. Time! So it's worth every penny!!
Start with 30 minutes free. No credit card required.
AI transcription and translation in 53+ languages.