Add a Natural Smile to a Photo

How it works

1. 1

   Upload the photo with the face clearly visible

   JPG, PNG, or WebP up to 7MB. A front-facing or slightly angled shot where the mouth is unobstructed and in focus works best — a group photo is fine as long as you can describe who you mean.

   Expect: A single clear face takes about 15-25 seconds. Small, blurry, or heavily side-on faces are the hardest case and often come back looking less like the person.
2. 2

   Describe who should smile, and how much

   Type the whole instruction: 'give the man in the orange sweater a soft closed-mouth smile, keep his face, eyes, and everything else exactly the same.' There is nothing to select or mark — naming the person is how the AI finds them.

   Tip: Ask for less than you think you want. 'Soft', 'gentle', and 'closed-mouth' produce a smile people believe; 'big happy grin' is where results start looking synthetic.

   Copy one of these to get started:

   Soft, natural smile give this person a soft, natural closed-mouth smile, keeping their face, eyes, hair, and everything else in the photo exactly the same

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   Slight smile, teeth showing give this person a gentle smile with a small amount of teeth showing, keep the eyes, face shape, and skin exactly as they are

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   One person in a group give the man in the blue shirt on the right a soft closed-mouth smile, leave everyone else's expression completely unchanged

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   Make a couple smile give both people a natural, gentle smile with their lips together, keeping their faces, hair, and clothing exactly as they are

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   3 more prompts

   Warm the expression without a full smile soften this person's serious expression into a faint, warm half-smile, keeping their identity and every other detail unchanged

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   Smile with the eyes as well give this person a genuine smile that reaches the eyes, lifting the cheeks slightly, keeping their face shape and identity the same

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   Child's portrait give the child a small, natural closed-mouth smile, keeping their face, eyes, and the rest of the photo exactly as they are

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3. 3

   Look at the eyes and the teeth

   Zoom in. A real smile lifts the cheeks and narrows the eyes slightly; a mouth that changes while the eyes stay flat looks wrong. Teeth are the other giveaway — if they look too even or too bright, retry with a closed-mouth version.

4. 4

   Refine with a marker if needed

   In a group photo where the description could apply to more than one person, tap a marker on the face you meant and repeat the instruction. For a single subject the description alone is normally enough.