Tutorial

How to Add Voiceover to iMovie Using Text to Speech Voices

Instantly create and add voiceover to iMovie using AI Text to Speech voices without recording it yourself or paying voice actors.

By OurToolVault Editorial Team ยท Updated July 2026 ยท Tutorial
Search intentiMovie users wanting to add AI voiceover instead of recording themselves
Keywordsadd voiceover to imovie, imovie text to speech, ai voiceover imovie
  • September 7, 2020September 7, 2020

So you have created a video in iMovie but it doesn't have a voice yet and you are looking for the easiest way to add a voiceover to iMovie without recording it yourself or paying hundreds of dollars to voice actors.

Youve come to the right place.

In this post, well show you how to create realistic voiceover audio from text using one of the several AI Text to Speech voices from Amazon Polly and Google Wavenet and add it as a voiceover to your iMovie video.

1. Write down the voiceover content as text

Write text in any text editorThe first thing you need to is to write down the copy of the voiceover audio as text. That's because well be converting this text to audio using an AI voice. Just open any text editor and write down the text to convert to audio and play it in the video.

In this example I have written down the script in my Notes app.

2. Paste the text in a modern text-to-speech platform's Text-to-Audio editor

the AI voice dashboardHead over to a modern text-to-speech platform's Dashboard to convert your text into human-like speech.

Once you are in the dashboard, click on the Create new audio button and youll see 3 options to create audio. Select the From Text option to create audio from text.

Youll now see a Text to Speech editor where you can paste in the text and convert it to voiceover audio which you can then download as an MP3 file.

Paste text in Text to Speech editor

3. Select an AI voice for your video

The first thing youll probably want to do after pasting the text is to select the perfect voice for your voiceover.

Here is a complete list of all the languages and voices you can choose from available AI voices

4. Edit text and preview the audio

Use the play icon on the left of any sentence to listen to it. If you wish to listen to the complete text, use the Listen button on the top bar.

Edit text and preview the audioWhen you preview the audio, you might find something that needs editing. Here's how you can edit the text to reflect the changes in the audio

  • **Set custom pause durations** on commas, periods, between paragraphs, etc to add the right pauses in the voiceover audio.
  • **Highlight words and set custom pronunciations** Maybe there's a name or an abbreviation in the text that's not being pronounced correctly in the audio. Simply highlight the word and add a way to pronounce it correctly.
  • **Change the tone of voice** If you wish to add a more dynamic tone to the voice or maybe you want to emphasize certain parts of the text then you can change the tone. You can also tweak the rate and pitch of the voice to whatever suits your needs.

5. Convert text to audio

Once you have finalized the audio, go ahead and convert it by clicking the Convert button on the top.

Once the audio is converted, it will be available as an MP3 file.

Go ahead and download the MP3 file.

6. Add voiceover to iMovie

Now simply import the audio file in iMovie and align it with the video. Make edits if needed, preview the video and finalize your video!

Importing mp3 in iMovieThere you go! Youve just used some of the best Text to Speech voices to create and add voiceover to iMovie videos without recording the audio yourself or hiring voice actors.

FAQ

Can I use AI voice in iMovie?

Yes. Generate the voiceover audio with a TTS tool, export as MP3 or WAV, then import the audio file into iMovie and drag it to your timeline.

Is text-to-speech voiceover free?

Many TTS tools offer free tiers. For commercial use, paid plans provide commercial rights and higher quality voices.

What audio format should I export for iMovie?

iMovie accepts common formats such as MP3, WAV, and M4A, so export your voiceover as MP3 or WAV and import it directly into your project.

Can I sync AI voiceover with my iMovie clips?

Yes. After importing the audio, drag it onto the timeline and trim or reposition it so the narration lines up with the matching video segments.

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