Upload the photo, type the change in one sentence, and ChatImg edits that part instead of drawing a new picture. The same method keeps one face across several images and gives you a plain background for an ID-style photo.
When the picture must stay yours — the same person, the same room, the same product — editing beats generating. ChatImg takes the photo you upload and changes only what your sentence names. For several images of one person, reuse the same reference photo. For a plain background, cut the subject out instead of redrawing it.
ChatImg treats the uploaded picture as the starting point. Your sentence says what to change; everything you do not name is meant to stay.
"Swap the background for a gray wall" or "make the jacket navy" — plain words, no mask to draw.
Send the result back with the next instruction instead of starting over.
Attach photos of the person as references so the edit follows that face, not a new one.
No mask, no layers, nothing to install.
A sharp photo with the subject clearly visible works best.
"Make the background plain white. Keep everything else the same."
Compare with the original. Send the result back with the next short instruction if needed.
The three questions people ask most about editing photos with AI.
New background, different outfit color, an object removed — the rest of the picture stays.
A portrait, a second angle, a different scene — with the same reference face each time.
Cut the subject out of the original photo and place it on white, then crop to size.
Turn an everyday selfie into a clean headshot without booking a studio.
Use an instruction-based image editor: upload the photo and write what should change, such as "replace the background with a white wall". The model infers which region to edit from the words, so no mask is needed, and the parts you do not mention are kept. Make one change per instruction and feed each result into the next edit.
Consistent faces come from a reference image, not from a longer description. Text-only generation creates a new face every run. Attach the same clear, front-facing photo of the person to every request, keep the identity unchanged in the prompt ("same person as the reference"), and vary only the scene, outfit, or pose.
Take a real, front-facing photo in even light, remove the background, and place the subject on plain white or the color the form requires, then crop to the required size. Replacing only the background keeps the face untouched, which matters because passport offices reject photos digitally altered to change a person's appearance.
InstructPix2Pix (Brooks, Holynski, Efros, 2022) established instruction-following image editing: an edit is applied from a written instruction with no user-supplied mask, keeping the rest of the image.
InstructPix2Pix — arXiv:2211.09800 ↗U.S. passport photos must have a plain white or off-white background and must not be digitally changed or edited to alter your appearance.
U.S. Department of State — Passport photos ↗Japan's passport application photo is 45 mm × 35 mm with a plain background (white recommended); photos edited to change the applicant's appearance are not accepted.
Ministry of Foreign Affairs of Japan — Passport application photos ↗FAQ'S
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Upload it, write one sentence, and keep the parts you did not name.
