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










Your Czech content can reach English-speaking audiences worldwide. Translated subtitles open doors to millions of new viewers.
Viewers engage more with content in their native language. English subtitles from Czech audio increase watch time significantly.
Human Czech-to-English translation costs $50+/hour. Sonix translates at a fraction of the cost in minutes.
AI-powered Czech-to-English translation with human-level accuracy. Edit and refine in our browser-based editor.
The ability to translate Czech audio content to English has become essential in our interconnected world. Whether you're a business expanding into English-speaking markets, an educator creating multilingual learning materials, or a content creator building a global audience, Czech-to-English translation bridges the gap between your message and millions of potential viewers who prefer content in English.
Professional Czech-to-English 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 Czech speech recognition with sophisticated English translation algorithms, delivering results in minutes rather than days while maintaining professional-grade quality.
The Sonix Czech-to-English translation process begins with our industry-leading speech recognition technology. When you upload your Czech audio file, our AI models—trained on millions of hours of Czech audio—accurately transcribe every word, capturing nuances like speaker identification, punctuation, and timing. This Czech transcript forms the foundation for high-quality English translation.
Once transcription is complete, our neural machine translation engine converts the Czech text to English. Unlike basic word-for-word translation, our system understands context, idioms, and cultural expressions, producing English 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 Czech transcript alongside the English 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 English version of your Czech content ready for distribution.
Once your Czech-to-English translation is complete, Sonix offers flexible export options to fit any workflow. Download English 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 English captions into your audio 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 Czech-to-English translation can be.
Beyond English, Sonix supports translation to 53+ languages worldwide.
Upload your Czech audio in any popular format. Sonix handles the rest.
Industry-leading Czech speech recognition trained on millions of hours of audio for maximum accuracy.
Context-aware translation produces natural English that reads smoothly to native speakers.
Compare Czech and English text side by side. Click any segment to hear the audio.
Style your English subtitles with custom fonts, colors, and positioning. Burn into video if needed.
Export English subtitles as SRT, VTT, Word, PDF, or 30+ other formats.
Get your Czech-to-English translation in minutes, not days or weeks.
Upload your Czech audio file to Sonix. We accept MP4, MOV, MP3, WAV, and all common formats.
Sonix transcribes your Czech audio to create accurate source text for translation.
Select English from the translation menu. Review the translation in our side-by-side editor.
Export English subtitles as SRT/VTT or burn captions into your audio.
Upload your Czech audio to Sonix. We transcribe the Czech audio first, then translate to English. Export as subtitle files or burn captions into the video.
Sonix uses advanced AI that delivers natural English 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 Czech and English 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 53+ languages. Translate your Czech content to Spanish, French, German, Japanese, and many more.
Translate Czech to English in minutes. No complex setup or technical knowledge required.
Pay a fraction of human translation costs. Czech-to-English translation included with transcription.
AI accuracy with human-level quality. Edit and perfect your English subtitles in our browser.
Transcribe Czech, translate to English, caption, and export—all in one platform.
So fast, so easy. This has saved me hours for every 20 minutes of recording.
I love Sonix.ai. They're fast and clean in transcription; they give 98% accuracy in your transcript. I enjoy every of my experience with Sonix...
Sonix is simple and very easy to use and the results were very nearly perfect. I would definitely recommended the site to anyone who asks me.
Great product. Been waiting for this.
Gobsmackingly amazing! As a software developer of 40 years I know quality when I see it. An amazing product and a pretty damn good web-site to back it all up also. Totally ...
I really like it. Easy to use, very accurate, and easy to correct when it is not. A truly super program, and I would recommend it to anyone.
It was excellent and almost entirely spot on with transcription.
What I loved about the transcription is that it is fast and it's also highly accurate.
Start with 30 minutes free. No credit card required.
AI transcription and translation in 53+ languages.