ResponsiveVoice language voices
Český text na řeč
ResponsiveVoice helps add Czech text to speech to sites, apps, courses and accessibility experiences with a browser SDK and REST API.
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Available voices
Czech voices for websites and apps
Use a friendly ResponsiveVoice voice name such as Czech Female, or select by BCP-47 language code with { lang: 'cs-CZ' }. The browser SDK uses native speech where it fits and falls back to ResponsiveVoice server audio when a closer voice is needed.
| Voice name | Language code | How to select it |
|---|---|---|
| Czech Female | cs-CZ | Use by exact name, pattern, or language query. |
| Czech Male | cs-CZ | Use by exact name, pattern, or language query. |
One-line browser setup
Add Czech speech with JavaScript
<script src="https://cdn.responsivevoice.org/sdk/latest/responsivevoice.js"></script>
<script>
responsiveVoice.init({ apiKey: 'YOUR_API_KEY' });
responsiveVoice.speak("Přidejte český převod textu na řeč na svůj web nebo do aplikace.", "Czech Female");
</script>For a first demo you can initialize without an API key and use the device voice. Register and verify your website domain to unlock the full voice catalog. For backend audio generation, use the REST API with your API key and secret.
The listening experience
Give Czech readers a page they can hear
The ResponsiveVoice web player can narrate article content with paragraph-level highlighting, click-to-jump reading, speed controls, and a sticky mini-player after the controls scroll away. Set the player voice to Czech Female for a page-level Czech listening experience.
- Paragraph highlighting
- Voice override per page
- 0.5x to 3x speed cycle
- Skip non-readable elements
Use cases
Where Czech text to speech helps
Accessibility
Let visitors listen to page content, instructions and support flows when reading is difficult or inconvenient.
Learning
Support language learning, pronunciation practice and e-learning narration with a voice selected for this page.
Apps and product UX
Speak confirmations, alerts, onboarding steps and generated content from the browser or your backend.
FAQ
Czech text to speech questions
Which Czech voice should I use?
Start with Czech Female. If your app needs another tone or gender, test the other listed ResponsiveVoice voices and choose the one that best matches your audience.
Can I use Czech text to speech in a browser?
Yes. Use the ResponsiveVoice browser library from npm or the CDN. The browser can use native speech and ResponsiveVoice fallback audio depending on the selected voice and platform.
Can I generate Czech audio on a server?
Yes. Use the ResponsiveVoice REST API or API client with an API key and API secret. Keep the secret server-side only.
