The fastest way to merge two pictures in Photoshop
Open both images in Photoshop, then drag one image's layer into the other image's window. Photoshop will add it as a new layer on top. From there, you can resize it with the Free Transform tool (Ctrl+T on Windows, Cmd+T on Mac), move it where you want, and adjust its transparency or blending mode to blend the edges. This method takes about two minutes and works whether you're combining portraits, landscapes, or graphic elements.
If you want more control over how the images blend together, you can use layer masks to fade one image into the other, or use blending modes like Multiply or Screen to change how the colors interact. The method you choose depends on what the final image should look like — a clean composite where both images are clearly visible, or a seamless blend where one fades into the other.
Key Takeaways
- Dragging one image's layer into another image's window is the quickest way to combine two pictures in a single Photoshop document.
- The Free Transform tool (Ctrl+T or Cmd+T) lets you resize and rotate the second image to fit the composition you want.
- Layer masks and blending modes control how the two images blend together, from sharp edges to soft fades.
- Flattening the image at the end merges all layers into one, but save your work as a .psd file first so you can edit the layers later if needed.
Opening both images and preparing your canvas
Start by opening both images in Photoshop. Go to File > Open and select the first image, then repeat to open the second. You'll see each image in its own tab at the top of the workspace. The image you want as your background should be the larger or more important one — this will be your base layer.
Click on the tab of the image you want to use as your background to make it active. This is the image that will stay in place while you add the second one on top. If you need to change the canvas size to fit both images, go to Image > Canvas Size and make the width and height larger. This gives you room to position both pictures without cropping either one.
Dragging the second image as a new layer
Click on the tab of the second image to make it active. In the Layers panel on the right side of the screen, you'll see the image listed as a single layer. Click and hold on that layer, then drag it into the window of your background image. Photoshop will add it as a new layer on top of the background.
If the Layers panel isn't visible, go to Window > Layers to open it. The second image will appear as a new layer above your background layer. You can rename either layer by double-clicking its name in the Layers panel — this helps you keep track of which is which, especially if you're working with multiple images.
Resizing and positioning the second image
With the second image's layer selected, press Ctrl+T (Windows) or Cmd+T (Mac) to open the Free Transform tool. A box with handles will appear around the image. Drag the corner handles to resize it — hold Shift while dragging to keep the proportions the same so the image doesn't look stretched. Drag from inside the box to move the image to where you want it.
When you're happy with the size and position, press Enter to explore the transformation. If you need to move it again later, select the Move tool from the toolbar (the cross with arrows) and click and drag the image to a new spot. You can also use the arrow keys on your keyboard for precise, small movements.
Blending the images together with layers and masks
If you want the two images to blend smoothly instead of sitting as separate, distinct elements, use the Opacity slider in the Layers panel. With the second image's layer selected, lower the Opacity value (at the top right of the Layers panel) to make it semi-transparent. This lets the background image show through.
For more control, add a layer mask to fade one image into the other. Right-click the layer and choose Add Layer Mask, then select Reveal All. Select the Gradient tool from the toolbar, make sure your foreground color is black and background is white, then drag across the layer mask from the area you want to hide to the area you want to show. This creates a smooth fade between the two images.
You can also change how the colors of the two images interact by using blending modes. In the Layers panel, there's a dropdown that says "Normal" — click it to see options like Multiply, Screen, Overlay, and others. Each mode blends the colors differently, so try a few to see which looks right for your images.
Flattening and saving your merged image
Once you're happy with how the images look together, flatten the document to merge all layers into one. Go to Image > Flatten Image. This combines all the layers and removes any transparency, which you need to do before saving as a .jpg or .png file.
Before you flatten, save your work as a Photoshop file (.psd) so you can go back and edit the individual layers if you change your mind later. Go to File > Save As, choose Photoshop (.psd) as the format, and give it a name. Then flatten the image and export it as a .jpg or .png by going to File > Export As and choosing your format. This gives you both a layered version you can edit and a final version you can share or print.
Frequently Asked Questions
What if the second image is much larger than the first?
Resize the canvas first. Go to Image > Canvas Size on your background image and make it larger. Then drag the second image in and use Free Transform to scale it down to fit. You can also scale the second image before dragging it in by going to Image > Scale Image while that image is active.
Can I blend the edges so they don't look like a hard line?
Yes, use a layer mask with a gradient. Right-click the layer, add a layer mask, then use the Gradient tool with black to white to create a fade. The black areas hide the layer and the white areas show it, so the gradient creates a smooth transition between the two images.
How do I undo a transformation if I don't like how it looks?
Press Ctrl+Z (Windows) or Cmd+Z (Mac) to undo the last action. If you've already applied the transformation and moved on, go to Edit > Undo History to see a list of everything you've done and click an earlier step to go back.
What's the difference between flattening and merging layers?
Flattening combines all layers into one and removes transparency, turning any transparent areas white. Merging layers combines only the selected layers. Use flatten when you're done editing and ready to export, and use merge when you want to combine just a few layers while keeping others separate.