// feature rack — detail view

Everything you need to dub video

Six processing modules, pre-loaded in one desktop app. All running locally — no cloud, no waiting, no leaks.

whisper large-v3 f5-tts lip-sync engine ffmpeg export
MOD-01 · VOICE CLONING

Voice Cloning

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

▸ Only 30 seconds of clean sample audio needed (recommended) ▸ Preserves intonation, pace and vocal signature of the original ▸ F5-TTS engine, renders on local GPU
MOD-02 · MULTILINGUAL DUB

50+ Language Dubbing

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

▸ VI · EN · 中 · 日 · 한 · ES · FR and 45+ more ▸ Integrated machine translation, runs locally ▸ Starter: 3 languages · Pro/Studio: all
MOD-03 · TRANSCRIPTION

Auto Transcription (ASR)

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

▸ Whisper large-v3, high accuracy ▸ Per-sentence timestamps, aligned to timeline ▸ Available on all tiers including Starter
MOD-04 · LIP-SYNC

Lip-Sync & Timing

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

▸ Stretches audio to match the original speech pace ▸ Auto-aligns timestamps per subtitle segment ▸ Pro tier and above
MOD-05 · OFFLINE ENGINE

Runs Fully Offline

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

▸ 0 bytes uploaded — video never leaves your machine ▸ No internet required after license activation ▸ GPU NVIDIA RTX / AMD RDNA2+ (optional)
MOD-06 · EXPORT

Video & Subtitle Export

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

▸ In: MP4 · MKV · AVI · MOV · WebM + YouTube URL ▸ Out: dubbed MP4 + SRT/ASS simultaneously ▸ Starter: SRT · Pro/Studio: SRT + ASS + MP4

// how it works — signal chain

Four steps to dub

IN · 01

Upload video

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

FX · 02

Transcribe & translate

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

FX · 03

Clone voice & dub

The TTS system clones the original voice and generates dubbed audio synced to the video timeline.

OUT · 04

Export & share

Download the dubbed video, SRT/ASS subtitle files, or both — in seconds.

// get started

Dub video in minutes.

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

View pricing → Download