v0.1.0 (Beta)

Watch your web videos.
Dubbed in your language in real time.

Kuma captures video audio directly in your browser, translates voices in real time, and streams synchronized dubbing with automatic audio ducking.

Compatible with your streaming platforms

YouTube
Udemy

Watch any video without reading subtitles.

Natural synchronized voice streaming live in your browser, with automatic background audio ducking on YouTube, Coursera, or Twitch.
Sub-800ms latency
Real-time streaming pipeline combining voice activity detection (VAD) and continuous vocal inference for immediate delivery.
Voice cloning & timbre
Preserves the speaker's original tone, inflection, and cadence without sounding like cold synthetic audio.
Intelligent audio ducking
Automatically lowers the original audio under the dubbed voice and smoothly restores it at the end of each sentence.
Lightweight extension (Manifest V3)
Engineered for minimal RAM footprint. Zero slowdown when loading your web pages.
Local & international payments
Pay directly in CFA Francs via Wave, Orange Money, MTN, or Moov, or with international credit cards via Polar.
Ephemeral audio processing
Audio streams are processed on the fly in memory. No recordings of your viewings are ever stored.

Measured acoustic performance.

A real-time architecture engineered to preserve acoustic fidelity and synchronization without perceptible delay.
<800ms
Streaming latency
99.8%
Detection accuracy
15 min
Free credit without credit card
5 networks
Mobile Money & Cards

Ready in 3 simple steps.

No complicated setup. Everything happens seamlessly directly in your media player.
1

Install the Kuma extension

Add Kuma to your browser in one click. Your 15 free minutes are immediately available upon account creation.

2

Play your video

On YouTube, Coursera, or Twitch, the Kuma action button appears directly on the media player.

3

Listen to the live dubbing

Select your target language. Kuma translates speech in real time with smooth attenuation of the original soundtrack.

Clear, commitment-free plans.

Get started with 15 free minutes without a credit card. Then choose the plan tailored to your listening volume.
Free
Instantly test video dubbing with no commitment.
$0
 / year
  • 15 minutes of video dubbing included (900s)
  • Instant live voice translation
  • Edge-TTS high-fidelity neural voices
  • Smart background audio ducking
  • Chrome, Brave and Edge extension
Pro
POPULAR
Ideal for creators, students, and daily viewing.
$99
 / year
  • 10 Hours / month (120h billed/yr)
  • Automatic rollover of unused credits
  • Ultra-low latency voices & cloning
  • Lip sync & studio ducking
  • Secure credit card payments
Studio
For localization agencies, teams, and heavy usage.
$279
 / year
  • 30 Hours / month (360h billed/yr)
  • Priority instant voice translation
  • GPU processing priority & studio fidelity
  • High-quality audio track downloads
  • Dedicated tech support within 2h

Frequently asked questions

Everything you need to know about live dubbing, supported languages, and billing.
Available on Chrome, Brave, Edge & Opera

Ready to break the language barrier$6

Install the Kuma extension and launch your first dubbed video today with 15 free minutes.

Secure payments via Wave, Orange, MTN & Polar
Kuma · v0.1.0 (Beta) — Real-time video dubbing and voice translation platform