How to Open or Close Your Mouth in Photos Using AI

Learn to control the mouth opening in your photos with Expression Editor AI. This tutorial shows you how to open or close the mouth for a more natural expression using the "AAA" Sound slider.

1 minute
Easy
7/11/2025
Enjoyed by 1,000 users.

What You'll Learn

  • How to use the "AAA" Sound slider to open or close the mouth.
  • How to fix an unnatural-looking mouth position in a photo.
  • How to create expressions ranging from a gentle parting of the lips to a more open-mouthed look.
  • Why calibration is an optional but helpful step for previewing your edits.

Key Benefits

  • Achieve a more relaxed and natural expression by slightly opening the mouth.
  • No expensive software or complex editing skills needed—all online.
  • Fix photos where the mouth expression is awkward.
  • Get professional-quality results in under a minute with Expression Editor AI.
  • Combine with the "Smile" slider for a perfect, happy expression.

Prerequisites

  • A clear photograph with a single, front-facing subject.
  • An Expression Editor AI account with access to the Face Edit feature.

Who is this for?

Photographers
Portrait Retouchers
Social Media Users
Anyone wanting to perfect their portraits.

Dos

  • Use high-quality, single-person photos for the best results.
  • Make subtle adjustments for the most natural look.
  • Combine with other mouth controls for a complete expression.

Don'ts

  • Don't use photos with multiple faces; the tool can only recognize one.
  • Don't expect the 3D avatar to look exactly like the person in your photo.
  • Don't push the slider to an extreme, which can look unnatural.

Tutorial Recap

Before How to Open or Close Your Mouth in Photos Using AI
After How to Open or Close Your Mouth in Photos Using AI
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Key Steps

1

Open the Face Edit feature & Upload

Log into your Expression Editor AI account, navigate to the Face Edit feature, and upload your photo. For best results, use a photo with a single, clear face.

2

(Optional) Calibrate for 3D Preview

For guidance, you can calibrate the face to our generic 3D model. This step is recommended if you want a real-time preview of your adjustments, but it can be skipped.

3

Navigate to Mouth Controls

In the settings panel on the bottom left, click on the "Mouth" tab to reveal all the adjustment controls.

4

Adjust Mouth Opening

Use the '"AAA" Sound' slider to control the vertical opening of the mouth. Move it to the right to open the mouth or to the left to close it.

5

Apply and Generate

Once you're ready, click "Apply" to generate the final, high-quality image with your mouth adjustments applied directly to your original photo.

Frequently Asked Questions

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