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Translate your videos with ease

AI voice-overs, video/ audio dubbing in 70+ languages with 250+ voices. Easily add captions, translated subtitles, translate voice-overs and more.
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Trusted by hundreds of
content creator teams

Voice over generator on Macbook


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

Create translated content in minutes,
not hours

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

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.

2. Process

Click Run. Soon, you have autogenerated captions, translations and voice-over.

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.

Pick from a wide array of customizable tools. When done, choose Export.

Subtitle in various languages
Auto caption & subtitles

No more wasting time manually transcribing

Don't like manually transcribing? You're not alone. Our auto captioning saves you time and headaches by automatically generating captions and subtitles. Plus, it handles synchronization. No more manual timing either!

Translated AI Voice-over

Tell your story to larger audience

Why settle for telling a story with just the language in your video? Reach a wider audience with our 70+ languages that can be added to subtitles or used in voice dubbing. You can also save time and money by using any of our 250+ natural sounding AI voices instead of hunting for the suitable voice-over talent.

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Voice over generator
English subtitle
French subtitle
subtitle generatorSubtitle editor
Powerful subtitle editor

Fully customize captions & translated subtitles

Edit your auto-generated caption and translated subtitles to fit your styles, tone of voice and context. And you get synchronized voice-over right away. All-in-one editing tool for you and your team to collaborate in real time.

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Voiceover Speech Editor (Coming Soon)

Design your own AI voice-over

Tone of voice, emphasis and more. You can do it all with our Speech Editor. No more robotic and generic voice-overs. Now you can edit AI voice to make it sounds better for different styles you prefer.

Voice over editoraudio recorder and editor


What Our Happy Users Say

Awesome App to Edit Videos

Snappmeal Ltd.
Review 5 stars

It is so fast and easy to create captions and subtitles for our marketing videos at Snappmeal. Also, it is convenient for us to translate our videos from Finnish to English (and vice versa) and add voice overs for our videos. We don’t have to spend so much time in finding the professional voice overs anymore.

We have a great tool!

Awesome! The tool has saved us so much time in creating voiceovers in Spanish and French for our videos. The customer support is fast and so friendly. Love the team!

Sky Ng
Youtube Channel "News Today", 200K+ followers

“HeiTech has been a game changer for us, significantly streamlining the localization process for our YouTube videos. As a result, our content is now accessible to a diverse audience in numerous languages.

The translations and Text-to-Speech (TTS) services offered are of exceptional quality, and they continue to improve with time. Furthermore, the team at HeiTech went the extra mile, prioritizing a feature that greatly benefited our workflow. Their customer-centric approach is truly commendable.”

User testimonial
Yasin Mayo
CEO, Memberlog
Casinolove Kft.

"I love this product. I used other similar software before but they didn't work so accurately with the translation. For Hei, I can see that the translation and voiceover work better. We use mainly for our social videos and product tutorials for our videos and client projects."

User testimonial
Yasin Mayo
CEO, Memberlog
Lynn C.
Marketing Director, Aurabear

"Fast and easy to use. Do the jobs perfectly."

Youtube Content Creator

"Love the tool. They do really well with Spanish and English. I haven't tried other language sets but it works super well with Spanish and English. Use for our product onboarding videos."

Marketing Manager

"Helped us generate captions for 200+ videos for us so far. Save me tons of time."

Social Media Marketer

Save us so much time in creating voiceover for the Finnish and Vietnamese markets.

BamBi Dang
CEO | FinestFuture Ltd.




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Simple & Powerful Video Editing

The easiest, most powerful subtitle and voice-over video editor.
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