Use case · Instagram Reels

AI voiceovers for Instagram Reels

Reels reward a clear voice and a clean edit. Voice Labs gives small brands, makers and creators a narrator on demand, so a product clip or a behind-the-scenes video can go out the same day it is filmed.

Sample script · Voice: Amelia · Style: clear british english

Short answerTo add an AI voiceover to an Instagram Reel, write a script of 40 to 150 words, generate it in Voice Labs with a voice that fits your brand, save the audio, and add it to your clips in a video editor before uploading the finished Reel to Instagram.

Step by step

How to do it in Voice Labs

  1. Decide what the Reel is for

    One Reel, one job: show a product, teach one thing, or tell one small story. Write that job as a single sentence before you write the script.

  2. Write it the way you would say it

    Keep it between 40 and 150 words. Use contractions and short sentences so it sounds like a person, not a brochure.

  3. Pick a voice that matches the brand

    Calm and warm for wellness and homeware, bright and quick for food and fashion, clear and neutral for tutorials. Preview before you choose.

  4. Generate and listen

    Tap Generate and follow the highlighted text. If the pacing is off, add or remove commas and full stops rather than changing the voice.

  5. Add the audio to your clips

    Save or share the audio, import it into your editor, and trim each shot to change on a sentence break.

  6. Caption and post

    Add on-screen captions for people watching without sound, then upload the finished Reel.

Why Reels suit an AI voice

Most Reels are made by one person doing everything: filming, editing, writing and posting. The voiceover is the step that gets skipped, because recording it properly takes a quiet room and several attempts. Text to speech removes that step. You write three sentences, generate them, and the Reel has a narrator.

It also keeps a brand consistent. If three people post for the same shop, their videos still sound like one account.

Scripts that sound like a person

  • Say it out loud first. If you would not say a sentence to a customer in person, rewrite it.
  • Lead with what the viewer is looking at. The voice should explain or add to the picture, not describe it.
  • Use specific details. “Poured by hand in batches of twelve” is more convincing than “carefully handcrafted”.
  • Close with one next step. Save this, shop the link, come and visit.

Matching voice to content

Content Voice style Preset
Product showcases Clear, warm, unhurried Natural
Tutorials and how-tos Neutral and precise Narration
Behind the scenes Conversational Natural
Launches and offers Bright, energetic Expressive
Wellness and self-care Soft and calm Narration, with Speed lowered slightly

Treat the table as a starting point. The Preview button is the real test.

One recording, several platforms

A voiceover made for a Reel works just as well on TikTok and YouTube Shorts. Generate the audio once, build the video once, and export the same file for all three. If you want a different hook for each platform, regenerate only the first sentence.

Last updated 12 November 2026.

FAQ

Common questions

Can I add a Voice Labs voiceover directly inside Instagram?

The simplest route is to combine the audio and the video in an editor first, then upload the finished Reel. Voice Labs gives you the audio file; a video editor such as CapCut or iMovie puts it under your clips.

How long should a Reel voiceover be?

Plan for about two and a half words per second. A 15-second Reel takes 35 to 40 words, 30 seconds takes around 75, and a 60-second Reel about 150.

What voice should a small business use?

One that sounds like the brand would if it could talk, and the same one every time. Choose it once, write down the voice name and settings, and use it on every Reel so regular viewers recognise you by ear.

Do I need to tell viewers the voice is AI?

Platforms set their own rules about labelling AI-generated content, and they change. Check Instagram's current guidance, and when in doubt, be upfront. A good product does not need a human-sounding secret.

Give your words a voice

Your first 2 generations are free. Paste a script, pick a voice and hear it in seconds.

Download Voice Labs on the App Store Free download · iPhone and iPad · iOS 16.1+
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