Natural AI voices
Choose from a library of 550+ natural-sounding voices across 75+ languages.
AI video localization
AI dubbing for video and audio in 75+ languages
Upload a video, choose your target languages and get natural AI voice-overs that follow the original speaker's timing and emotion, without studios, voice actors or weeks of post-production.
- 550+ natural AI voices
- Timing and emotion preserved
- Video and audio files
What is AI dubbing?
AI dubbing automatically replaces the speech in a video or audio file with a translated voice track generated by artificial intelligence. Klassifier transcribes the original speech, translates it and generates natural-sounding speech in the target language that follows the speaker's timing and emotion, so content can be localized in minutes instead of weeks.
- Languages
- 75+ languages
- Voices
- 550+ natural AI voices
- Input
- Video and audio files
- Sync
- Follows original timing
- Turnaround
- Minutes, not weeks
- Get started
- Web app, free trial
From one video to many languages
The same speech-to-text, translation and text-to-speech engines behind the Klassifier platform run every step.
Upload
Add a video or audio file to the Klassifier web app.
Transcribe & translate
The original speech is transcribed and translated into each target language.
Generate the voice-over
Natural AI voices speak the translation, following the original timing and emotion.
Download & publish
Export the dubbed version and publish it wherever your audience is.
Localization without the studio
Timing and emotion preserved
The dubbed track follows the original speaker's pacing and tone, so it stays in sync with the picture.
Many languages at once
Dub the same video into several languages in one go instead of booking a session per language.
Video and audio
Localize videos, podcasts, recorded webinars and voice content with the same workflow.
Scales to whole libraries
Dub courses, marketing videos and product demos in bulk as your content grows.
Part of one platform
Use the same Klassifier account for speech-to-text, text-to-speech and translation, no separate tools to stitch together.
Made for content that needs to travel
E-learning & training
Courses and onboarding videos for teams and learners in every region.
Marketing & social video
Campaign videos that speak to each market in its own language.
Product demos & tutorials
How-to content that helps customers everywhere succeed with your product.
Corporate communications
Leadership messages and internal videos for global organizations.
AI dubbing vs. traditional studio dubbing
Studio dubbing with voice actors still suits feature films. For business, education and online content, AI dubbing makes localization fast and affordable enough to do for every video.
| Aspect | Klassifier AI dubbing | Studio dubbing |
|---|---|---|
| Turnaround | Minutes per video | Days to weeks |
| What you need | Your video file and a browser | Voice actors, studio time and sound engineers |
| Adding a language | Select it and generate | Cast and record a new session |
| Updating content | Re-generate after an edit | Book a new recording |
| Cost | Pay per use; free trial available | Paid per language, per minute of content |
AI dubbing: frequently asked questions
What is AI dubbing?
AI dubbing uses speech recognition, machine translation and AI voice generation to replace the spoken audio of a video or audio file with a translated voice track in another language, without voice actors or a recording studio.
How does Klassifier AI dubbing work?
You upload a video or audio file, choose one or more target languages, and Klassifier transcribes the speech, translates it and generates a natural AI voice-over that follows the original timing. You then download the dubbed version.
Which languages can I dub into?
Klassifier's voice library covers 75+ languages with 550+ natural AI voices. Contact us if you need a specific language or accent.
Does the dubbed audio keep the original timing and emotion?
Yes. The AI-generated voice follows the original speaker's timing and emotion, so the dubbed track stays synchronized with the video.
What kind of content can I dub?
Training and e-learning courses, marketing and social videos, product demos, recorded webinars, podcasts and other video or audio content.
How much does AI dubbing cost?
You can start with a free trial in the Klassifier web app. See the pricing page for plans, or contact us for high-volume and enterprise projects.
How is AI dubbing different from subtitles?
Subtitles show a translation as text on screen; dubbing replaces the audio itself, so viewers can listen in their own language without reading. Many teams use both for maximum reach and accessibility.
Take your videos global
Start with a free trial, or book a demo and we'll dub a sample of your own content.