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
- 01
Upload your video
Drag-and-drop a video file or paste a YouTube/web URL. UltiVoice supports all major formats.
- 02
Transcribe & translate
AI converts speech to text, then translates it to your target language with high accuracy.
- 03
Clone voice & dub
TTS clones the original voice and generates dubbed audio, synchronized to the video timeline.
- 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.