Translate your audio/video with ease.
Access AI voiceover and dubbing in 140+ languages with 440+ voices. Easily add captions, translated subtitles, clone voices and much more.
Supported languages
Select one of the popular languages we support below to preview a sample video.
Trusted by hundreds of companies &
content creator teams
Why Hei.io?
Skip the usual long and error-prone captioning process. Our tool delivers fast and accurate results, offering captions and voice-overs in 140+ languages.
Are you searching for voice dubbing that doesn’t sound robotic and awkward? We have over 250 naturally sounding voices in 140+ languages to choose from and customize.
Auto captions & subtitles
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 Voiceover
Why settle for telling a story with just the language in your video? Reach a wider audience with our 140+ languages that can be added to subtitles or used in voice dubbing.
You can also save time and money by using any of our 440+ natural sounding AI voices instead of hunting for the suitable voice-over talent.
Breakthrough Technology Features
Experience the future of voiceover technology with groundbreaking "Voice Cloning" feature. Now, you can keep the essence of your original voice as you translate your content into multiple languages. Experience the future of dubbing today.
Supports up to 32 languages: English, Chinese, Spanish, Hindi, Portuguese, French, German, Japanese, Arabic, Russian, Korean, Indonesian, Italian, Dutch, Turkish, Polish, Swedish, Filipino, Malay, Romanian, Ukrainian, Greek, Czech, Danish, Finnish, Bulgarian, Croatian, Slovak and Tamil, Vietnamese, Hungarian and Swedish.
Say goodbye to manual syncing! HeiTech's revolutionary "Lip Sync" capability ensures that your video's audio and visuals are perfectly aligned, saving you time and effort, while delivering professional-quality results.
How it works
Create translated content in minutes, not hours, with just a few simple steps.
1. Upload file
- Upload your audio/video from your computer or Youtube link.
- Select the video's original and target languages.
- You can also upload with SRT/VTT files and use dictionaries for better transcription.
2. Processing
- After clicking submit. Soon, you will have autogenerated captions & translations.
- The process time is based on the length of the video.
3. Edit, dub & Export
- After satisfied with the transcription, click “Start Dubbing” with available voiceovers or use the Voice Cloning feature.
- Soon, you can export your video in formats like MP4, MP3, and SRT.
- Additionally, you can also edit and redub the video as needed.
What Our Happy Users Say
HeiTech has been a game changer for us
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.
Milan
Casinolove Kft.
Awesome App to Edit Videos
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.
JUHO
Snappmeal Ltd.
"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."
LYNN C.
Marketing Director, Aurabear
"Fast and easy to use. Do the jobs perfectly."
CHEESR7
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."
GHISLAINE
Marketing Manager
"Helped us generate captions for 200+ videos for us so far. Save me tons of time."
JENNIFER
Social Media Marketer
Save us so much time in creating voiceover for the Finnish and Vietnamese markets.
BAMBI DANG
CEO | Finest Future Ltd.
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In today’s ever-evolving digital landscape, where streaming platforms and online content continue to captivate audiences across the globe, it’s absolutely crucial to recognize the sheer magnitude of the Video Dubbing market...
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All-in-one video editor tool
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.
