AI Video Dubbing: 3 Best Ways to Dub a Video with AI Online in 2023

Last Updated: 2023. 11. 13

If you are reading this, you probably need a great way to dub a video in another language to reach a wider audience, yet don’t have the time or budget to hire a professional translator and voiceover artists to dub your video. No worries! That’s where AI video dubbing comes in handy for automatic video dubbing.

In this tutorial, we will walk you through how to dub a video in another language with AI in the 3 best ways online. So, you can use AI dubbing to dub a 20-minute YouTube video, podcast videos, or TikTok and Instagram videos in minutes to reach the targeted audience.

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Here’s what you’ll learn:

Also, read how to make faceless YouTube videos with ChatGPT and AI video maker.

What Is AI Video Dubbing

AI video dubbing, or AI automatic video dubbing, refers to using AI to automatically replace the original audio of a video with another language or voice. So, you can repurpose an existing video into a multi-lingual AI dubbing video to reach global viewers.

Use AI to dub English-speaking videos into Japanese and Spanish videos.

In addition, AI video dubbing falls into two categories:

  • The basic AI video dubbing only translates and generates AI voices in another language simultaneously.
  • Advanced AI dubbing goes a step further by syncing lip movements with the new language in the video, as shown above.
  • So, we will cover both ways of AI video dubbing as follows, please keep on reading.

    How to Do AI Video Dubbing with Lip-Syncing by Heygen

    Well, if you want to dub a short YouTube video or a TikTok and Instagram Reels with AI, together with lifelike AI-generated lip-syncing in the video, one of your go-to choices is using the HeyGen, a versatile AI-powered video generator online.

    Use AI to dub a video into another language by HeyGen

    Use AI to dub a video into another language by HeyGen.

    Best Features to Dub a Video with AI by HeyGen:

  • Use AI to dub a video in another language in one click, with ultra-realistic lip-syncing to the targeted language in the AI dubbing video. Besides, AI dubbing also works for audio files.
  • HeyGen’s AI video dubbing supports 19 input/source languages and 29 output/target languages.
  • It supports MP4, MOV, and WEBM for AI video dubbing with a file size of no more than 1GB.
  • How to Dub a Video in Another Language with HeyGen:

    How to use the AI video dubbing feature of HeyGen.

    Step 1
    Sign up free for HeyGen > visit its Video Translate page.
    Step 2
    Due your videos with AI.

    Drag and drop to upload your video to HeyGen > select a target language from 29 languages > click Translate this Video button. Done.

    Step 3
    Preview the AI dubbing video in another language and save it to your computer.

    Downside:

  • The AI video dubbing max duration is limited between 30 seconds to 5 minutes.
  • Doesn’t support pasting URLs to import original videos to be dubbed.
  • Currently, only support MP4, MOV, and WEBM formats.
  • It does work well for videos involving multiple speakers.
  • Translated subtitles are not shown in the AI dubbing video.
  • Can’t select a specific time frame to dub parts of a video with AI.
  • How to Do AI Video Dubbing by ElevenLabs

    Well, if you have many posted YouTube videos, TikTok videos, Instagram Reels, Twitter videos, etc. and you want to directly paste online videos’ URLs and have AI dub these videos in another language, then look no further than ElevenLabs, a powerful text-to-speech generator and voice cloning service provider online.

    Create an AI dubbing video by ElevenLabs

    Create an AI dubbing video by ElevenLabs.

    ElevenLabs uses cutting-edge and deep-learning text-to-speech technology to dub your video and offers you diverse options for AI video dubbing.

    Best Features to Dub a Video with AI by ElevenLabs:

  • Upload audio and video files (up to 100M, or 45 min) to dub a video with AI; you can import your video from your computer or a URL of YouTube, TikTok, X (Twitter), Vimeo, or other URLs. Pretty handy!
  • ElevenLabs supports 57 source languages and dubs videos into another 29 target languages.
  • Customize the number of speakers in the original video, and video resolution preferred, and an exact a time range for AI video dubbing.
  • Impressive accuracy for AI video dubbing and translation and quick speed for dubbing videos.
  • How to Dub a Video in Another Language with ElevenLabs:

    How to dub a video in another language using ElevenLabs.

    Step 1
    Create a new dub.

    Sign up free for ElevenLabs > click the Dubbing tab above > click “Create new dub”.

    Step 2
    Dub a video with AI.

    Name your AI video dubbing project > identify the source language > select the target language > upload your video from the local computer or paste the URLs of your videos on YouTube, TikTok, Twitter, Vimeo, or other video hosting platforms > click the Advanced Settings > tailor the number of speakers, video resolution and exact timeframe for AI video dubbing > hit the Create button.

    Step 3
    Preview the AI dubbing video and save it to your computer.

    Downside:

  • ElevenLabs can’t do lip-syncing to the translated video.
  • No translated subtitles are displayed in the video.
  • How to Dub a Video with AI by FlexClip

    Last, but certainly not least, if you only need to replace the audio of the original video in another language with hyper-realistic AI voices and translated subtitles, another great workaround to dube videos with AI is using the user-friendly and feature-rich FlexClip AI video maker.

    Effortlessly dub videos with AI by FlexClip online.

    Create Now

    Best Features to Dub a Video with AI by FlexClip:

  • Utilize the hyper-realistic text-to-speech generator to generate lifelike AI voices to replace the original audio of your video for AI video dubbing. There are 400 natural-sounding AI voice avatars available across 140 languages and diverse accents. You can tailor AI voices’ age, gender, voice style (14), speed, pitch, and natural pauses.
  • Dub videos with FlexClip’s text-to-speech generator

    Dub videos with FlexClip’s text-to-speech generator.

    Use Free TTS to Dub Videos
  • Easily type in text and convert it to realistic AI voices to replace parts of audio in a video or upload translated subtitle files (SRT, VTT, SSA, ASS, SUB, or SBV formats) to FlexClip and use the subtitle-to-speech feature to dub your video with AI speeches. Pretty flexible!
  • Convert translated subtitles to create AI dubbing videos

    Convert translated subtitles to create AI dubbing videos.

  • Harness the AI auto subtitle generator to transcribe new audio to text for burned-in subtitles in your video with the click of a button. The auto-transcription supports 140+ languages with different accents and promises over 95% accuracy. You can easily edit and stylize the subtitles or download subtitles in SRT, VTT, SSA, ASS, SUB, SBV, TXT, and CSV formats for your blog posts, news releases, or other repurposings.
  • Auto-transcribe AI dubbing video to text for subtitles in one click

    Auto-transcribe AI dubbing video to text for subtitles in one click.

    Add Subtitles Now
  • Another icing on the cake for video content creators is that you can use 5000+ expertly crafted and fully customizable video templates, including YouTube/TikTok/IG Reels, app promo videos, business promo & sales, explainer videos, educational videos, webinars, podcast intros & outros, movie trailers, birthday/wedding/memorial slideshows, travel, sports & fitness, etc. With easy drags and drops of your video assets, you can create a compelling video in minutes.
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  • In addition, as a versatile AI video maker, FlexClip also empowers you with other great AI tools to automate your video edits and help you reclaim chunks of precious time. From the AI video script generator, powered by ChatGPT, text-to-image generator, text-to-video generator, image background remover, audio extractor, etc. you can boost your productivity and create captivating videos like never before.
  • Use AI video script generator to generate AI scripts for your video projects

    Use AI video script generator to generate AI scripts for your video projects.

    Use AI Video Script Generator

    How to Dub a Video in Another Language with FlexClip:

    Step 1
    Access FlexClip > upload your original video from your PC, phone, Google Drive, One Drive, Dropbox, or Google Photos > click the Plus sign to add your video to the intuitive timeline.
    Upload and add your video to the timeline

    Upload and add your video to the timeline.

    Step 2
    Transcribe the video to text for subtitles of the original video.

    Click the Subtitle tab > Auto AI Subtitle > identify the language in your video > hit Next > select the subtitle style, which can be changed later > press the Generate button.

    Auto-transcribe video to text for subtitles

    Auto-transcribe video to text for subtitles.

    Auto-transcribe Videos to Text

    Now, proofread the auto-generated subtitle > edit any typos > click the download button to save the subtitle in SRT format to your computer.

    Download original subtitles in SRT format

    Download original subtitles in SRT format.

    Alternatively, if you already have the translated SRT or VTT subtitle file of your original video, you can directly upload this subtitle file to FlexClip which will perfectly sync the subtitle timecodes and subtitle content to the dialogues in the original video.

    Directly upload subtitles and sync them to the original video

    Directly upload subtitles and sync them to the original video.

    Step 3
    Translate the subtitle to the target language.

    Visit TranslateSubtitle, a free online subtitle translator > drag and drop your SRT file to import it > select the target language on the top left corner > hit the Translate button > proofread the auto-translated subtitles > click the Download button to save the translated subtitle to your computer.

    Translate the original subtitle into the target language for free

    Translate the original subtitle into the target language for free.

    Step 4
    Dub the video with AI-generated French languages in the video.

    Head back to FlexClip > click the delete button to delete the English subtitle > click Upload Subtitle File to upload your French subtitle, which will be perfectly synced to the timecodes of the original video.

    Delete the original subtitles in the original video

    Delete the original subtitles in the original video.

    Upload the translated subtitle and sync it to the original video

    Upload the translated subtitle and sync it to the original video.

    Next, with the video selected and click the Audio Volume icon > mute the original audio > click the Subtitle to Speech button > identify the language > preview and select an ideal AI voice avatar > customize the voice style(cheerful, sad, chat, friendly, newscast, excited, etc.), voice speed, pitch > click the Generate Audio button.

    Use AI text-to-speech to convert the translated subtitle to the target language to dube your video

    Use AI text-to-speech to convert the translated subtitle to the target language to dube your video.

    Dub Videos with AI TTS Now

    Now, hit the playback button to preview the AI-generated audio or adjust its volume and drag and drop to adjust its position.

    Adjust the volume and position of AI dubbing audio when needed

    Adjust the volume and position of AI dubbing audio when needed.

    If you want to use another AI voice avatar or a new language to dub parts of the video, just remember its timecode > click the Text tab > add a text title > type in your text > click the Text to Speech icon > select the target language, a new AI voice avatar, voice style, speed, pitch > press the Generate Audio button to create a new AI voice > replace it with the previous AI-generated voice. Done.

    Replace parts of the AI dubbing audio with a newly generated AI voice

    Replace parts of the AI dubbing audio with a newly generated AI voice.

    Step 5
    Use royalty-free music and sound effects to create the vibes and emotions needed.

    Click the Audio tab > select from 74,000+ royalty-free music tracks and sound effects to bring your video to life. You can easily trim and split the audio or layer multiple audio tracks to do the sound design and create depth and a real-world auditory experience for the viewers. Don’t forget to apply fade in/out effects for smoother audio transition. Of course, you can upload your own audio as well.

    Add royalty-free music and sound effects to bring AI dubbing videos to life

    Add royalty-free music and sound effects to bring AI dubbing videos to life.

    Create Now
    Step 6
    Preview and share.

    Done with the AI video dubbing. You can click the Export button to save the 1080P MP4 video to your computer or directly share it to YouTube, Google Drive, One Drive, Dropbox, or TikTok; a clickable link is also available for your blog posts, newsletter or other repurposings.

    Easily share and repurpose your video content

    Easily share and repurpose your video content.

    Now, It's Your Move

    In a nutshell, using AI to dub your video in another language offers you a time-saving and cost-efficient way to repurpose your video content to reach a wider audience. Please feel free to try out all the AI video dubbing tools above and share this post on your Facebook or Twitter to let us know which one suits you best. Cheers to your video success!

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