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Hei.io

Automate video & audio dubbing with subtitles in 140+ languages using Hei.io's AI-powered tool. Get fast and accurate results with 440+ natural-sounding voices.

Free + paidPricing checked: Sep 20, 2026
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Best for

Users seeking voice & audio editing tools for their daily workflows.

Things to know

Usage limits, quotas, and premium capabilities are determined by the provider.

About this tool

Overview

Hei.io is an AI-powered video and audio dubbing tool that supports 140+ languages and 440+ natural-sounding voices. It offers fast and accurate results, making it an ideal solution for content creators and video agencies.

AI-powered Video & Audio Dubbing

Automate video and audio dubbing with Hei.io's AI-powered tool, supporting 140+ languages and 440+ natural-sounding voices.

Auto Captions & Subtitles

Generate captions and subtitles automatically, saving time and effort. Supports synchronization and manual editing.

Voice Cloning

Clone voices to maintain the essence of the original voice while translating content into multiple languages.

Lip Sync

Ensure perfect alignment of audio and visuals with HeiTech's revolutionary Lip Sync capability.

Get started

  1. Open the official website and confirm the service is available in your region.
  2. Check the current plan, usage limits and terms for your intended use.
  3. Try a small task with sample data before committing to a paid plan.

Editorial note

Pricing checked: Sep 20, 2026. Tiered plans available. Review current pricing and subscription options on the official website.

Record updated: Sep 20, 2026

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