Sometimes only one thing in a photo is wrong: a plant you want to swap for a lamp, a bottle you wish were a different product, a prop that no longer belongs in the shot. The free object replacer on CanvaPro lets you mask that object, describe what should take its place, and generate a fill that tries to sit in the original light. You do not need an account, and the usual download does not pick up a watermark from the page.
The live form accepts a JPG, PNG, or WEBP up to 5 MB. After you upload the photo, you get a brush, an eraser, a size slider from 10 to 100 (it starts at 50), plus Clear, Undo, Show Brush Marks, and Upload New Image. The prompt box asks you to describe what should replace the masked object. Complete the security check and click Generate. Most swaps finish in seconds. A preview appears so you can judge the seam before you download.
Mask the object, not the whole room
Brush over the thing you want swapped — a bottle, a bag, a small prop — rather than the entire background, unless the background is truly the object you mean to change. A clear silhouette helps. Trim with the eraser if you overpaint, and use Undo if a stroke goes too far. Show Brush Marks when you want to confirm what is selected.
How to replace an object, step by step
- Upload a sharp JPG, PNG, or WEBP under 5 MB, and only use a photo you have the right to edit.
- Brush over the object, tidy the mask with the eraser, and set a brush size that matches the subject.
- Write a short replacement prompt, complete the security check, and click Generate once.
- Check the preview at the edges of the mask, then download the file if the new object sits naturally. Keep the original photo as your master.
When a swap is most useful
Sellers preview a different product in a lifestyle still. Stylists try a small prop change. Everyday users remove or replace an item that distracts from the subject. In every case, be honest about a generated object. It is a visualization, not a photograph of a real product sitting in that exact room, and it should not be used to mislead a customer.
The sky is a large, simple object with its own light problems; that case is in how to replace the sky in a photo.
If the fill looks pasted on
Tighten the mask, simplify the prompt, and start from a well-lit original with a clear outline. Confirm the 5 MB limit. If you would rather invent content in a painted region — a window in a blank wall, a pattern in a gap — the AI generative fill tool is the closer match. Its prompt asks what to generate in the masked area, which is a slightly broader job than swapping one discrete object.
Uploads travel over HTTPS. Files are processed to complete your request and are not sold.
If you only needed the object gone, not swapped, use the object remover and let the ground continue.
After you download the swap
Inspect the seam at full size, especially along shadows and tabletops. If a small fringe remains, refine the mask on the original photo and generate again, rather than brushing a second fill onto the first export. Save the result with a name that includes the new object, and keep the source file beside it.
Check the light and the scale of the new object, and if it sits badly, tighten the prompt and try the object replacement tool again from the original photo.
Prompts and masks that sit in the same light
Name the replacement object and one or two material notes — “a small amber glass lamp with a warm bulb,” not “something nicer.” If you care about scale, say that it should be a table lamp, not a floor lamp, so the model does not drop an oversized object onto the desk. The mask should cover the old object and a little of its contact shadow, so the new item can pick up the same tabletop light.
Busy patterned surfaces and transparent glass are harder than a solid product with a clear outline. If a first fill looks pasted on, shrink the brush, tidy the edge, and generate again from the original photo. Avoid masking a face unless you have a very clear, consented reason; this tool is at its best on objects and props.
After a successful swap, check the result in the context of the whole frame, not only the masked patch. A perfect lamp can still look wrong if its reflection is missing from a nearby window, and that kind of issue is easier to catch before you publish.
If you only need the object gone, not swapped, follow the steps to remove unwanted objects from a photo.
A short checklist
- Upload a JPG, PNG, or WEBP under 5 MB.
- Brush only the object you want replaced, then describe the new item.
- Click Generate and inspect the edges in the preview.
- Download the fill and keep the original photo.
When you are ready, mask one object, write one clear replacement, and save the preview only after the new item sits in the same light. A single clean swap is easier to use than several loose experiments.