Words alone can only take you so far. If you want this room with different furniture, this photo as a winter night, or the person from one image added to another, the easiest way to say so is to show the model the image. It takes a sentence, and your original is never changed: everything made this way is a new image.
In He.art's Photo studio
Open He.art and press Photo studio in the sidebar. There are several ways to put a photo in front of the model:
- Work from a photograph opens a picker with two sides: Yours, your latest photos, and Public photos, which you can search.
- Upload one takes a file from your computer. It goes into your library as a private photo.
- Or drop or paste an image anywhere on the page. A link to a photo on Heart Photos or He.art works the same way.
The photo appears as a card, and a note beside it says what Create is about to do. Now write what to change in the box, in plain words, like "make it a winter night", and press Create. You can ask for as many as you like: they queue below, and each finished image stays on the page under What you created.
Which model, and what size
While a photo is in hand, the models that cannot be shown one are dimmed, and the time beside each model changes to what an edit takes. Klein is the one picked for you. LongCat can do it too, one photo at a time. If you have a moment, try the same words with both: press Show details beside Models to read what each is good at.
The Shape choice goes away, since the image comes back the shape of your photo. In its place is Size:
- Full size, the default, comes back at the photo's own size, up to 16 megapixels. It keeps the photo's own fine detail and takes the model's work where the edit changed what is in the image. In our tests on six photos it stayed closest to the original and kept the most of its sharpness.
- Stretch and Exact shape come back at about 1.3 megapixels, the size the model draws at. They are there if you want the model's drawing as it is.
A Full size edit of a large photo usually gives you two images with one press, named "- Sharpen On" and "- Sharpen Off". The first has fine detail added to the parts the model redrew, which suits most things; the second leaves them as drawn, which can look more natural on a face. Keep whichever you prefer.
Up to four images at once
You can put up to four photos in hand. This is how you add someone who missed the family photo: put the family photo in first, then a photo of the person, and write "add the person from the second photo, standing on the left".
The order matters. The first one is the image being changed, and what comes back has its shape and size; the others are only there to be looked at. Each card has its own tick, so you can keep four in hand and send two.
In Heart Photos
You can do the same without leaving Heart Photos. Open an image and press Photo info (or the I key). In the panel, under He.art AI, write what to change and press Create. Choose model beside it lets you pick the model, and the job goes into the queue in the corner while you keep browsing.
To draw from several images there, mark them with M, then press Create image in the header. The ones you marked go in, in the order you marked them.
Change only one part
Heart Photos has one more thing worth knowing. Press Select regions before Create, and draw over the photo with Rectangle, Circle or Freehand. Those shapes are then the only parts Create may change, and everything outside them keeps the photo's own pixels. It is the way to take a line of text off a screenshot and leave the rest as it was.
Where it goes, and who can see it
The new image goes into your own library, tagged Made by AI, and its panel records the model, the words, the seed and the photo it came from.
Who can see it depends on where you started:
- From your own photo, it is as visible as that photo: public, unlisted or private.
- From someone else's public photo, it is private until you choose otherwise.
You can draw from your own photos and from anyone's public ones, but not from someone's unlisted or private photos, even if you have the link.
What it costs
Each edit uses two credits, however many images you show it and whether it comes back as one image or two. A job that fails gives its credits back. The Free plan comes with 50 credits a month, within the limits on the pricing page, which also lists the paid plans. On Premium and Max, once your credits run out, an edit still goes ahead in Relax mode: it costs nothing and waits until the graphics card is free.
A few tips
- Say what to change, not what the whole image is. The model can already see the photo.
- Be specific when adding things. A vague "add furniture" tends to draw little; naming the sofa, the rug and the table draws a room.
- Press Create again for another try. Leave Seed empty and each try is a new image. Recreate, on a finished image, is different: it brings back the words and the model but puts the photo down, to start again from words alone.
- Press Edit on a finished image to keep going from that result instead of from your original.
- Take the background off first if you only want the subject. A cut-out works as a reference too, and the model sees it on plain white.
Try it
Open He.art, go to Photo studio, drop in a photo of your own, and tell it one thing to change. Then try a second photo beside it, and see what the model makes of the two together.