Upload one photo of one person, pick natural smile, big smile, neutral, or surprised, then compare and download.
Only the expression is asked to change
Every run carries a fixed brief: change the mouth, cheeks, eyes, and brows, and keep the face shape, age, hair, clothes, pose, background, and light. Check the teeth and eyes before you use the file.
Upload a clear photo of one person, pick an expression, then compare before and after with the slider before you download.
JPG, PNG, or WebP · up to 5 MB · 256–4,096 px per side · ≤ 16 MP
Your new expression will appear here
Upload a supported portrait to check its size and prepare one expression change.
Definition
An AI facial expression changer edits only the expression in a portrait. It reshapes the mouth, cheeks, eyelids, and brows to create a new look, such as a smile or surprise, and it tries to keep the same person, hair, clothing, pose, and background. It creates an expression the camera never captured, so the result is an interpretation, not a recording.
The brief asks the model to keep identity, face shape, eye color, skin tone, freckles and moles, apparent age, makeup, facial hair, glasses, hairstyle, accessories, clothing, pose, crop, background, and lighting. It also tells the model not to beautify, slim, smooth skin, or whiten teeth.
Four presets, each checked on real test portraits before launch: natural smile, big smile, neutral, and surprised. A subtler confident look was tested and left out because the change was too small to see.
One person per photo. No angry, crying, winking, or tongue-out looks. It edits still images only, not video. Side profiles, covered mouths, and tiny faces give weaker results, so upload a clear, front-facing portrait.
Before and after
Each pair uses a fictional, AI-generated source portrait, so no real person's likeness was edited. The after image comes from this tool's production model and fixed brief at 1K, with no retouching. Look at the teeth, eyes, and hairline to judge how well identity held.
A stiff profile photo gets the natural smile preset for LinkedIn or a team page. The shirt, beard, hairline, and office background stay in place. The smile shows little or no teeth, so it is the safest choice when a face must still look like its owner.
A closed-mouth portrait of an older woman gets the big smile preset for a family card. Her glasses, silver hair, and sweater stay the same. The teeth in the result are generated, not hers, so zoom in on the mouth before you print it.
A neutral studio shot gets the surprised preset for a video thumbnail: raised brows, wide eyes, and an open mouth. The headphones, hair, and colored backdrop stay put. Bigger expressions move more of the face, so compare the eyes with the original.
One face, four presets
All four results below come from the same source photo, so you can see what each preset changes. Pick the smallest change that fixes the photo. Small changes keep the likeness best.
Profile photos, team pages, dating apps
Lips curve, cheeks lift, and eyes soften. Little or no teeth are shown, so this is the lowest-risk preset.
Family cards, event photos, social posts
An open, laughing smile with upper teeth and crinkled eyes. Check that the teeth look natural.
Formal bios, speaker pages, resumes
A calm, closed-mouth, serious look. Use it when a grin looks wrong for the setting. It cannot make an ID photo compliant.
Thumbnails, reaction posts, memes of yourself
Raised brows, wide eyes, and a small open mouth. This is the biggest change of the four, so inspect the eyes.
How to
Start with a sharp, well-lit, front-facing photo of one person with the whole face visible. The closer the face is to the camera, the more detail the model has to keep.
Choose a JPG, PNG, or WebP file up to 5 MB, with each side from 256 to 4,096 pixels and no more than 16 megapixels. Crop a group photo down to one person first.
Natural smile is the default. Big smile opens the mouth, neutral removes a smile, and surprised raises the brows and opens the eyes. The preset sets the brief on our server, so the browser cannot rewrite it.
Sign in and confirm the fixed cost of 25 credits. One result is usually ready in about one to two minutes, at 1K and the same aspect ratio as your photo. If a run fails, the credits are returned.
Drag the split view across the mouth, eyes, and hairline. Download only if the face still looks like the person. If the connection drops, recover the same task without paying again.
Honest limits
No expression changer keeps identity every time. These are the inputs that failed or drifted most in our testing, and what to do instead.
With two people in the frame, the edit was weak and uneven. The brief targets only the largest, most central face, so crop to one person first.
The model has less of the face to work with, so the other half of the smile has to be guessed. Use a front or slight three-quarter angle.
Hands, masks, microphones, or dark sunglasses hide the parts that need to move. The result may redraw what was under them.
When the face covers only a small part of a large scene, the teeth and eyes lose detail. Crop closer, or sharpen the photo first.
Going from a closed mouth to an open smile means the teeth are generated. Choose natural smile when real teeth matter.
Angry, crying, winking, tongue-out, and cartoon looks are not presets. They move the face so far that likeness drops quickly.
Compare your options
There are several ways to fix a bad expression. The right one depends on how many photos you have, how much the face must change, and how much time you have. These are general types of tools, so there are no links to other brands.
Choose the facial expression changer when you have one good photo and only the expression is wrong. Choose Best Take if you shot a burst. Choose Liquify for a tiny nudge you want to control by hand. Use a face swap app only when you want a different person.
The AI facial expression changer makes a new image from your photo and a fixed brief on our server. It is an interpretation of how the person might look with that expression, not a record of a moment that happened. Teeth, eye shape, dimples, and small wrinkles can change, especially with big smile and surprised.
Keep the original file. If the face no longer looks like the person, delete the result and try a clearer, front-facing photo or a smaller change. Do not use a changed expression on passports, ID cards, visa photos, legal evidence, or news photos, where an edited face can break rules or mislead people.
Only upload photos of yourself or of people who have agreed to the edit, and never use results to deceive, harass, or impersonate someone. Signed-in tasks and results can appear in My Creations so a task can be recovered after a connection problem instead of being paid for twice.
The current storage backend has no automatic expiry for uploaded or generated image objects. Delete in My Creations soft-deletes the task record from account history; it does not delete the underlying image object or provider copy. Review the Privacy Policy before uploading a portrait.
Tool specifications
Input: one JPG, PNG, or WebP portrait up to 5 MB, 256 to 4,096 pixels per side, and no more than 16 megapixels. Presets: natural smile, big smile, neutral, surprised. Output: one 1K image at the same aspect ratio as your photo. Cost: 25 credits per run. Typical time: about one to two minutes.
Processing creates an expression the camera never recorded, so the result is an AI interpretation. By using the tool, you confirm that your upload complies with the Terms of Service. Presets tested and reviewed by the Banana Pro AI product team · Last reviewed: 2026-09-17.
Questions
Straight answers about likeness, photos, cost, and safe use.
Upload one clear, front-facing photo of the person, pick natural smile, big smile, neutral, or surprised, and run the edit for 25 credits. Compare the result with the original in the split view, then download it if the face still looks right.
Usually, with small changes. The brief asks the model to keep face shape, age, skin details, hair, clothing, and background, and our test runs kept freckles, earrings, and hairlines. It is not guaranteed. Big smile and surprised move more of the face, so check the teeth and eyes before you use the result.
Yes. Natural smile adds a gentle smile with little or no teeth and is the safest option for profile photos. Big smile adds an open, laughing smile, but those teeth are generated rather than your own.
It should not. The fixed brief tells the model to keep the hairstyle, accessories, clothing, pose, crop, background, and lighting. Small shifts can still happen around the mouth and cheeks, so compare the edges of the face with the original.
Not reliably. In our tests with two people, the change was weak and uneven. Crop the photo to one person, change that crop, and put the edited face back into the group photo in an editor you already use.
No. Each result costs 25 credits, and the workbench shows the cost and your balance before you start. Failed runs return the credits, and a dropped connection recovers the same task instead of charging again.
No. Official photo rules usually require a neutral expression and forbid altering the face. Use a real, unedited photo for any document. Changed expressions are for profiles, social posts, cards, and thumbnails.
No. This tool edits one still image at a time and returns one still image. It does not animate a face or change expressions inside a video clip.
More portrait tools
Pick the tool that matches what is wrong with the photo: the expression, the hair, the pose, or the whole headshot.
Keep the original. Check the teeth and eyes.
Upload one clear portrait, pick the smallest expression change that fixes it, and compare the result with the original before you download. Each run costs 25 credits.
Open the expression workbench