AI Voice Cloning Online

Clone any voice from a short sample and turn scripts into natural AI voices. Record once, then narrate podcasts, training videos, and more in 175+ languages.

AI voice cloning: a human voice profile transforming into a digital soundwave flowing into a microphone.
151,666,608Videos generated
127,044,072Avatars generated
21,113,402Videos translated
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Trusted by millions worldwide to bring their stories to life.
Stylized white car icon on a blue background.Key features

Features of AI Voice Cloning

Instant or pro-grade voice clones

Pick the voice clone that fits the job. Upload a 30-second recording for an instant clone, or train a professional voice clone on a few minutes of audio for studio-grade AI voices. The same voice clone plugs into the AI voice generator for text-to-speech tasks.

HeyGen voice cloning panel offering instant and pro-grade clone options from an audio sample

Script to spoken video in one flow

Paste your script, pick a voice clone, and HeyGen turns AI voices into a finished talking video, not only an audio file. The text-to-video engine pairs the voice clone with an avatar, captions, and visuals. Skip the recording booth and ship fast.

Script being turned into a spoken AI video in a single HeyGen workflow

Speak any language in your own voice

Clone once, speak everywhere. HeyGen's AI Voice Cloning pairs with AI dubbing, so the same voice clone carries across 177+ languages and dialects with natural-sounding AI voices. Clone voices for podcast or YouTube content with no second voice actor, no second recording session.

Cloned voice speaking across 175+ languages in HeyGen's voice cloning tool

Pair your clone with a lifelike avatar

Take your voice clone further with Avatar V, HeyGen's flagship avatar model. The avatar speaks in your cloned voice with full upper-body movement, multi-look generation, and long-form stability. Use the voice clone with a digital twin from a 15-second clip.

Cloned voice paired with a lifelike HeyGen AI avatar for video

Consent-first cloning with built-in security

Every voice clone starts with explicit consent. HeyGen verifies voice ownership before training voice models, applies SOC 2 Type II and GDPR controls, and never uses your voice data to train shared AI voices. Your voice clone stays yours, with safeguardrails for client work.

Consent-first HeyGen voice cloning with built-in security and verification
Green gift icon.Use cases

Use cases for AI Voice Cloning

Woman recording audio with a microphone, next to a "Cloned Voices" interface showing human voices being converted to AI voices in 175 languages.

Podcast voiceovers and narration

Skip the booth, mic checks, and retakes. Type your script, run it through a voice clone, and export a high-quality podcast voiceover in minutes. Fix a line by editing text, not by re-recording, and re-render the AI voices.

A woman speaking and gesturing with a blue sound wave graphic in the background.

Audiobooks and long-form

Long-form recording sessions burn weeks of studio time. Train a pro voice clone, then use the AI voices to narrate a full audiobook with consistent tone and pacing across chapters. The AI narrator keeps the voice clone steady across hours.

Six diverse people smiling in individual video call frames.

Multilingual YouTube and social videos

Reach audiences in their language without losing your voice. Clone once, run the script through HeyGen's AI video translator, and publish in 175+ languages and dialects. Customers cut production from 3 days to hours.

A smiling man, framed by UI elements for uploading PDFs and a course menu showing checked-off chapters.

Course and tutorial voiceovers

Updating a lesson used to mean re-recording the whole module. Tweak the script, regenerate the voiceovers in your voice clone, and republish the same day. Course creators ship custom voiceovers in minutes instead of waiting on studio time.

Young Asian woman surrounded by the flags of France, USA, Japan, and Spain.

Dubbing your existing videos

Already have footage? HeyGen's AI lip sync drops your voice clone over the original mouth movements in 177+ languages and dialects. The presenter sounds like you in every market, with no reshoot and no second voice actor.

A tablet displays a video of a smiling man with "Made with HeyGen" text, while a smartphone shows a vertical video of a woman speaking.

Ads, promos, and marketing videos

Cut voiceover delivery from days to minutes. Generate ad reads, product promos, and marketing videos using cloned voices, test multiple voice clone variations fast, and ship localized versions for every market off the same creative brief.

Blurred white document icon with a play button on a light blue background.How it works

How the AI Voice Cloning tool works

Clone your voice in four steps, from sample upload to finished audio or video output.

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Step 1: Upload your sample

Record or upload a short, clean voice sample. Quiet room, clear speech, low background noise.

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Step 2: Train your clone

HeyGen uses AI to analyze the recording, build a voice model, and train your custom voice clone.

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Step 3: Paste your script

Type or paste the text you want spoken. Pick a language, pace, and emotional tone for the read.

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Step 4: Generate and export

Generate the audio or full video, preview, and download as MP4 or MP3, ready to share.

What is AI voice cloning and how does it work?

AI voice cloning is a voice cloning technology that uses artificial intelligence to clone a voice from a short clear audio sample, then trains voice models that produce AI voices on demand. The voice ai captures unique vocal characteristics so the cloned voice sounds like you.

How long should my voice sample be to clone my voice?

A 30-second clear audio sample is enough for an instant voice clone. For a custom voice clone built for audiobooks, train on 1 to 3 minutes of clear audio recorded in a quiet room. Voice recording quality beats length, every time, for any voice clone.

Is AI voice cloning safe and consent-based on HeyGen?

Yes. HeyGen verifies that you own the original voice before training a voice clone, requires written consent for any third-party voice, and never uses voice data to train shared AI voices. AI voice clones tie to your account with SOC 2 Type II and GDPR coverage.

Which AI voice cloning tool is best for video creators?

HeyGen is the best AI tool for content creators who need a voice clone inside a finished video. Other voice cloning AI stops at audio; HeyGen pairs your voice clone with an avatar, captions, and 175+ languages. The subtitle generator ships in the same flow.

Can a cloned voice speak multiple languages?

Yes. Our advanced AI voice cloning carries accent, tone, and timbre into 175+ supported languages and dialects. Record one English voice sample and the same voice clone narrates Spanish, French, Hindi, Japanese, Portuguese, or any other supported language without a second recording.

Is voice cloning legal?

AI voice cloning is legal when you clone your own voice or clone a voice you have written permission to use. Laws like the EU AI Act, the Tennessee ELVIS Act, and California publicity rights require consent before you clone someone's voice. HeyGen blocks third-party voice cloning that lacks verified permission.

Is there a free way to clone my voice?

Yes. HeyGen's free AI voice cloning lets you clone your voice for free and generate sample output, with limited usage on the free tier. A paid plan unlocks professional voice cloning, longer exports, full access to 175+ languages, and higher monthly credit limits.

How fast can I start using my cloned voice?

An instant voice clone is usually ready in minutes. A professional voice clone takes longer because the algorithm processes more audio samples and voice recordings, but most users have a production-ready voice clone within an hour. Generating AI voices is near-immediate.

Will my cloned voice keep my accent and dialect?

Yes. AI voice cloning preserves accent, dialect, and speech rhythm because those features live in your voice recordings. Clone a voice using an Irish accent and the cloned voice reads scripts with an Irish lilt. Dialects from Brazilian Portuguese to Mexican Spanish hold up well.

Can I control emotion and delivery on a cloned voice?

Yes. You can adjust speaking speed, emphasis, and emotional tone before generating AI voices, so the same voice clone reads a calm meditation, a punchy ad, or a high-energy promo. Style tags steer the read without changing the underlying AI voice.

Does AI voice cloning work at scale for creators?

It works, with verified results. Anton Voroniuk saves 15.5 hours per week, reaches over 1 million students, and runs production at roughly 40x lower cost using HeyGen AI voices and avatars. Full programs run on cloned voices.

How do I record a good voice sample to clone your voice?

Record in a quiet room with no background noise, sit close to a decent mic, and read a varied script for 1 to 3 minutes. Speak naturally at your usual pace. Clean voice recordings always beat long, noisy samples for any voice clone, no complex setup needed.

Can I use a cloned voice on TikTok, YouTube, or Reels?

Yes. You can use a HeyGen cloned voice on TikTok, YouTube, Reels, Instagram, LinkedIn, and any social platform, as long as you own the voice or have consent. Export the voiceover in vertical 9:16 for Shorts and Reels, square for feed, or 16:9 for YouTube.

Is there an API for AI voice cloning?

Yes. HeyGen's API gives developers programmatic access to voice cloning, AI voices, custom voice generation, AI voice clones, and text to speech. Pricing is pay-as-you-go with a $5 minimum top-up. Avatar V and IV calls run at $0.05 per second of video.

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Clone your voice and turn any script into natural-sounding AI videos with HeyGen.

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