Dub any video on your computer,
as much as you like, for free.

Perso Dubbing Desktop App 1.0.0 for macOS and Windows. Dub in 10 languages with your own voice, free with the low-quality local model and no usage limit.

Download for macOS

Download for Windows

Scroll down ↓

Dub Agent

Watch the timeline. Fix lines by asking.

Lines that overrun their time turn red. Edit a line directly, or ask Dub Agent to make it fit, translate it naturally or shorten it. Only that line is remade. Dub Agent uses your own Claude Code or Codex account.

Script3 lines

#TimeOriginalTranslatedLength

100:03.6Regarde, on est arrivés !Look, we made it!fits

200:10.5C’est la plus belle vue de tout Paris.This is the best view in all of Paris.+0.4s

300:16.2On reste jusqu’au coucher du soleil ?Shall we stay until sunset?fits

Dub AgentClaude Code

Ask anything

Voice lengthTime availableOver time00:00.0 / 00:25.0

00:0000:0500:1000:1500:20

Video

paris 00:25

Original

Regarde, on est arrivés !C’est la plus belle vue de tout Paris.On reste jusqu’au coucher du soleil ?

Translated

Look, we made it!This is the best view in all of Paris.Shall we stay until sunset?

Captions

Look, we made it!This is the best view in all of Paris.Shall we stay until sunset?

Free

Your bill: $0.00

Every step, from transcription to captions, is $0.

Dub with the low-quality model and it is free every time.

Desktop App2:14 video · English → JapaneseRun on your computer

Transcribe$0.00

Translate$0.00

New voice$0.00

Captions$0.00

Uploadnone

TOTAL$0.00

Paid with: your computer

PAID

On your computer

Keep your video local with Whisper and local translation.

Use Whisper and Hunyuan or Gemma 3 to keep dubbing on your computer, offline after model downloads. The default ChatGPT translator sends script text through your account. Perso transcription or API dubbing uploads the video. Dub Agent sends your prompts and script context to your chosen account provider.

MP4

trip_vlog.mp41.4 GB · English → Japanese

✓Transcribe
✓Translate
✓New voice
✓Captions

Uploaded0 MB

Done. Your video never left your computer.

Also in the app

Separate audio

Voice and background on two tracks.

Erase subtitles

Remove burned-in text.

Captions

Twelve styles.

Export

Dubbed video, audio, original voice and background tracks, translated .srt and a script spreadsheet.

Your computer or Perso’s cloud

Your computer

Default

Price

Free, no usage limit (low-quality model). 10 languages: English, Korean, Chinese, Japanese, French, German, Italian, Portuguese, Russian and Spanish.

Your video

Stays local with Whisper. Perso transcription uploads your video; ChatGPT translation sends script text.

Perso API

Price

Requires a Perso API key and credits. 100+ languages across Perso voice models; availability depends on the model. Finch and Nightingale require Pro.

Your video

Uploaded to Perso

Dub on your computer,
as much as you like, for free.