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Best AI Smile Filter: Add Natural Smile to Photos for Free
AI Image Generation

Best AI Smile Filter: Add Natural Smile to Photos for Free

May 7, 2024 · 3 minutes read
Best Free AI Smile Filter: Add Smile to Photo Online

Did you stumble upon a photo of yourself with a less-than-happy expression?

Transform it into a smile using this amazing AI smile filter!

Turn that frown upside down and convert your sad face into a joyful smile with this convenient AI smile generator — and it's completely free!

You can add an AI smile filter to a photo using a text prompt.


▲ Enter the text prompt 'smile' to easily add a smile to your photo with AI

How to Add a Natural Smile Filter to Your Photo for Free [Mobile, Online]

Adding a smile to a photo is really easy with this tool!

Let’s learn how to turn your photo into a smiling one with simple steps.

Step 1: Open the Best AI Smile Generator

Add Smile to Your Photos With AI With YouCam AI Replace for Free!


To begin, open the top AI smile generator tool: YouCam AI Replace, which is accessible for both mobile and desktop users.

This tool provides realistic and potent "AI Replace" functionality, allowing you to effortlessly transform faces in photos into enchanting smiles using text.

I recently tried adding a smile to one of my photos, and the outcome was remarkably natural!

Plus, it offers free credits to use without any watermark!

Step 2: Access the “AI Replace” Feature and Upload a Photo

Click the "Choose an image" button, and upload a selfie or a portrait photo.

Step 3: Brush the Lower Half of the Face in Photo

I tried adding smile to photo using "AI Replace"


Use the brush to paint on the lower half of the face in the photo. It's better to cover the entire lower half of the face for a better result.

Step 4: Enter the Text prompt “Smile” and Tap “Replace”

Enter the text “Smile” in the prompt field, then tap “Replace”. The AI will automatically apply a smile filter to your photo.

In addition to smiling, you can easily change your facial expression in the photo using different text prompts.

You can also change the photo to display different facial expressions by using other text prompts.


Step 5: Save the Smile-Filtered Photo.

Check the result to see if you're satisfied. If you have any other preferred ideas for the AI smile filter, like “Happy” or “Grin”, you can also try them out.

How do you feel about this method?

If you find it too troublesome to add a smile using AI, we also have an article about '5 Apps to Add Smile Filters to Photos"' with our review of each app. You can enjoy a 'One-Tap Smile Filter' with these tools!

AI Smile Generator: Use AI to Make Your Photo Smile

There are many photo smile editors that you can add a smile to a photo with their smile filters. But recently I found a new method to turn my face in a photo to a smile-  Using "AI Replace" to change your facial expression!

AI can easily replace your face with various smiles and expressions

YouCam AI Replace stands out as one of the best AI Image Smile Generators available, offering unparalleled versatility and ease of use. With its innovative "AI Replace" feature, users can effortlessly add various smile filters directly from text, enhancing their photos with a range of expressions.

From subtle grins to radiant smiles, YouCam Enhance empowers users to personalize their images with just a few clicks, making it an indispensable tool for anyone looking to add charm and warmth to their photos.

Moreover, if you find the smile in the photo not to your liking, you can utilize this tool as an AI smile fixer to fine-tune it.

More AI Filter Ideas

Why Add a Smile to Photo With AI Smile Filter: 3 Benefits

Discover the 3 compelling benefits of enhancing your photos with an AI smile filter to add an extra touch of joy and charm.

1. Use AI to Easily Turn Your Photo into a Smile

I tried adding smile to photo using "AI Replace"


“AI Replace” is a newly released feature (February 2024) of an AI photo editing tool - YouCam Online Editor. You can use it to replace your facial expression with a smile using this feature.

Like in this photo, simply brush over the mouth area and enter the text prompt “smile”. The AI will replace it with a happy smile instantly! 

Witness how natural the AI-generated smile appears!

2. Change Your Facial Expression to Any Mood From Text

Try turning a photo into different facial expressions


You might ask, 'Can I use it to turn a photo into other facial expressions?'

Of course! There are no limitations to its usage. You can achieve any facial expression by using different text prompts, such as 'Happy', 'Angry', 'Sad', or 'Amazed'.

With this tool, you can easily alter the faces in the photo, including those of your friends and yourself.

Read more: 5 Best AI Facial Expression Changers in 2024

3. Retouch Your Smile in Photos With AI

Try different AI face beauty filters to enhance your smile!

Additionally, you can further retouch your smile with its 'AI Beauty filter' in its app: YouCam Enhance.

This feature automatically retouches and enhances your face with just one tap.

It offers various beauty filters such as 'Natural,' 'Portrait,' 'Youth,' 'Elegant,' and 'Lovely.'

You can easily complete all your post-photo editing within this app.

Read moreHow to Edit Smile in Pictures with The Best Photo App

Start Adding Smile Filter to Your Photos With AI for Free

Add Smile to Your Photos With AI With YouCam AI Replace for Free!


How do you feel about the AI smile filter?

AI can now understand human faces and automatically edit them in a natural way.

You can use it to modify any photo with faces, altering their expressions by adding smile filters using this tool.

More AI Face Filter Ideas

Smile Filter FAQ

How do you add a smile filter?

You can easily add a smile filter using a free online app called YouCam AI Replace. Utilize its 'AI Replace' feature to seamlessly integrate a smile filter into your photo directly from text input. The result appears very natural.

What is the filter that makes people smile?

YouCam Online Editor's 'AI Replace' feature allows you to make people smile in photos effortlessly. All you need to do is brush over their mouth area and type 'Smile.' The AI will apply smile filters to all the people in the photo simultaneously.

What is the app that puts a smile on your face?

YouCam AI Replace is a free online app that allows you to put a smile on your face using its 'AI Replace' feature. By entering the text prompt 'Smile,' its AI will automatically replace your face with a smile in the photo.

Can I add an AI smile to a photo in Photoshop?

Yes, you can add an AI-generated smile to a photo using Photoshop's neural filter. Open this feature and choose the 'Smart Portrait' function. You can then add or adjust the smile in the photo by manipulating the 'Happiness' level. Photoshop will automatically identify the face and transform the facial expression into a smile.

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