Automatic Video Dubbing
Fast & Efficiently

Videos translated with one click.
Add the most realistic, professional video dubbing of 70+ languages to your videos using our world's leading AI voice.

Video dubber

Trusted by hundreds of
content creator teams

hei.io on iPad

Why Hei.io?

Rapid, 90% accurate translating

Captioning normally takes forever, often with multiple errors. Our product processes your videos quickly with few errors. When it’s done, you can have captions and voice-overs in 70+ languages.

Realistic AI voice-over

Are you searching for voice dubbing that doesn’t sound robotic and awkward? We have over 250 naturally sounding voices in 70+ languages to choose from and customize.

How it works

How to do AI video dubber for videos

Get your videos automatically translated and dubbed with one click.
Voice over generator process
1. Upload your video

Upload your video from your computer or share your video link.
Choose the original language used in the video. Then choose the target language you want it translated to.

Process
2. Choose voices and edit

Click Run. Soon, you have translated subtitles and voice-overs.

The process time is based on the speed of the video.

Export video
3. Download / Edit & Export

Once it's done, either click Download Video to finish or Edit Video to make changes.

Select the types of voice and edit the voice to create the best video dubbing for your video.

AI voice-over
AI Video Dubber

Natural sounding voices for videos

Create the most natural sounding and professional voices of 70 languages for your videos using our world's leading AI technology. Build your own AI voice by adjusting tone, pitch and emphasis with our Speech Editor.

Your go-to translation tool

Accurate translation
in 70+ languages

Hei App can get up to 95% accuracy in translation. Our platform combines machine learning and humans to ensure our translation keeps improving its accuracy.

You will have translated subtitles, and the translated voice-overs after a click. No more manually writing texts in Google Translate to translate your script. And no more getting frustrated at bad machine translating.

Subtitle editor
English subtitle
French subtitle
subtitle generatorSubtitle editor

Fast turnaround time

We know how time-consuming and costly the traditional process takes to find suitable translators, editors, and voice actors in order to translate videos to other languages.

Within minutes and voila, you have all of your videos translated and dubbed into various languages! No more manually translating or hiring expensive voice actors.

Our Happy Users

"Fast and easy to use. Do the jobs perfectly. I am looking forward to their new feature of manipulating AI voices."

Cheeries

Youtuber

"It is so easy to convert our business videos from Finnish to Swedish, and English : translated subtitles and voice dubbing."

Juho Salo

Snappmeal.com

"Love the tool. They do really well with Spanish and English. I use for creating e-learning materials; the tool has saved me a lot of time!"

James T

Video Editor

" The translation and voices are incredible! Great for us to create localized ads and promos for our ecom store"

Dave Smith

Swagger.fi

Our community keeps growing

Our Dubbing Journey

60+

TEAMS using us

100K+

MINUTES PROCESSED

30+

languages  

Unlimited editing & downloads

Edit the original captions, translate subtitles, and change voices as much as you want. Collaborate with teammates and freelancers to edit the text and sync in real-time to easily create the best translated subtitles and video dubbing.

Then download as many different versions as you prefer. It's easy to customize the best tone for different audiences and channels.

Heiapp on iPad
Voice Speech Editor

Make video dubbing fast and efficient

With Hei.io, you're not limited from being creative with voice-overs. Edit the text, set your own tone of the voice-over you want for your videos - it's your playground to be creative. Whether you're a game studio or a social video marketer, we help you set the own voice for your brand.

Change the tone, emphasis, pitch and more. We empower everyone without voice editing skills to creating the AI voice-overs they want.

Voice over editoraudio recorder and editor

Features

Designed for creative content creators to get started and scale with AI translated voice dubbing technology

  • 250+ AI Voices in 70+ languages

    Great access to our growing library of 250+ voices of different genders, ages, and tones.

  • M‍

    You can easily pick multiple voices for different lines to make the videos sound more conversational.

  • Easily edit timings

    Edit the timing of the voices to match the tones and speech that you prefer.

your go-to translated AI Voice-over

Powerful & Easy-to-Use

The easiest, most powerful subtitle and voice-over video editor.
Loved and trusted by content creators and video agencies of 100+ brands to reach and engage with audiences better.

Voice over generator on Macbook
Instagram
dribble
webflow
tiktok
facebook

We integrated to your website and favourite apps.

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Our Features

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