features

Everything you need to dub your videos

Voice Cloning

Clone a natural voice from a few minutes of audio. AI captures vocal characteristics and recreates them in 50+ languages.

50+ Language Dubbing

Select a target language, and the system auto-translates and generates culturally-appropriate speech.

Auto Transcription (ASR)

High-accuracy speech recognition powered by Whisper. Exports SRT/ASS subtitles simultaneously.

Lip-Sync & Timing

Aligns dubbed audio with lip movements so the final video looks as natural as possible.

Runs Fully Offline

No data sent to the cloud. All AI models run locally — complete privacy for your content.

Video & Subtitle Export

Export dubbed video + SRT/ASS subtitle files in one step. Supports MP4, MKV and more.

how it works

Four steps to dub your video

  1. 01

    Upload your video

    Drag-and-drop a video file or paste a YouTube/web URL. UltiVoice supports all major formats.

  2. 02

    Transcribe & translate

    AI converts speech to text, then translates it to your target language with high accuracy.

  3. 03

    Clone voice & dub

    TTS clones the original voice and generates dubbed audio, synchronized to the video timeline.

  4. 04

    Export & share

    Download your dubbed video, SRT/ASS subtitle file, or both — ready in seconds.

get started

Dub your video in minutes.

Download for free, activate your license, start dubbing today.