Generative Expand in Lightroom is finally available directly inside the Crop tool, making it much easier to expand photos without sending them to Photoshop first.
Have you ever opened a photo in Lightroom, tried to crop it for Instagram, and realized the crop would cut away too much of the scene?
This happens to me often with vertical photos. A photo might look beautiful in its original 2:3 crop, but once I try to turn it into a wider 3:4 or 4:5 Instagram crop, I may lose important details, breathing room, or part of the composition.
Before, this usually meant one of three things:
- accepting a tighter crop
- sending the photo to Photoshop
- using a workaround to expand the canvas first
But Lightroom now has a much easier option.
With Generative Expand in Lightroom, you can now expand the photo directly from the Crop tool on both desktop and mobile, without sending the image to Photoshop first.
The right composition is also one of the key factors to make your photo more eye-catching.
What is Generative Expand in Lightroom?
Generative Expand in Lightroom lets you extend the photo beyond its original edges while cropping.
Instead of being limited to the original photo boundaries, you can enable expand, pull the crop outside the image, and let Lightroom fill the new space.
This is especially useful when you want to:
- create a better Instagram crop
- add more space around your subject
- fix a composition that feels too tight
- straighten or rotate a photo without losing the edges
- turn a 2:3 photo into a wider 3:4 or 4:5 crop
- keep important details instead of cropping them away
For my macro and flower photos, this is very helpful when I want more breathing room around the subject or when the Instagram crop does not fit the original composition.
How to use Generative Expand in Lightroom
Open your photo in Lightroom and go to the Crop tool.
In the Crop and Expand panel, turn on:
Enable Expand
Then pull the crop outside the original photo boundaries and rotate it if necessary. The empty space will be filled using the method you choose.
On Lightroom Desktop, I can choose between:
- Firefly Fill & Expand
- Content-Aware Fill
On Lightroom Mobile, the expand feature is now available too, but I only see the generative expand option there, without the Content-Aware Fill method.
Generative Expand in Lightroom: desktop vs mobile options
The new expand feature works on both Lightroom Desktop and Lightroom Mobile, but the available options are not exactly the same.
On Lightroom Desktop, you can choose between Firefly Fill & Expand and Content-Aware Fill.
On Lightroom Mobile, I have the expand option too, but only as a generative expand feature. I do not see the Content-Aware Fill option on mobile yet.
This means desktop gives more control if you want to choose between generated content and a content-aware result based more on the existing photo. Mobile is still very useful, but it is more limited because it only offers the generative option.
Firefly Fill & Expand
Firefly Fill & Expand uses generative AI to create new content for the expanded area.
This can be useful when the photo needs more complex reconstruction, but generative results are not always perfect. With larger expanded areas, the generated parts can sometimes look softer, less detailed, or not fully match the original photo.
Content-Aware Fill
Content-Aware Fill works more like the classic Photoshop-style content-aware expansion.
At the moment, I only see this option on Lightroom Desktop, not on Lightroom Mobile.
Instead of generating completely new elements, it uses the existing photo content to fill the added area.
For many of my photos, this can be the better option, especially when you only need to extend a simple background or soft bokeh.
I often prefer this when I do not want AI-generated pieces added to the photo and want the expanded area to stay closer to the original image.
Why Generative Expand in Lightroom is useful for Instagram crops
This update is especially useful if you post vertical photos on Instagram.
Sometimes a photo looks perfect in the camera, but the Instagram crop needs slightly different proportions. When you crop in, you may lose part of the flower, insect, background, bokeh, or the space that made the composition feel balanced.
With Generative Expand in Lightroom, you can extend the photo instead of cutting more away.
For example, if your original photo is too narrow for the crop you want, you can expand the sides and keep the important details in the frame.
How I would use this in my own workflow
For my photos, I would usually use this after I know what crop I want.
My basic workflow for expanding a photo in Lightroom would be:
- Open the photo in Lightroom.
- Go to the Crop tool.
- Turn on Enable Expand.
- Choose the crop ratio I want, such as 3:4 or 4:5.
- Pull the crop outside the original photo boundaries.
- Choose Content-Aware Fill or Firefly Fill & Expand.
- Apply the crop and check the expanded area.
- Fix any small problem areas with Healing, Remove, or Generative Fill if needed.
If the expanded area is simple, I would usually try Content-Aware Fill first.
If Lightroom cannot fill the area well with existing content, I would then try Firefly Fill & Expand and compare the result.
Keep in mind that the Firefly generative fill uses one token for every time you expand.
When Content-Aware Fill may be better
For my kind of photography, Content-Aware Fill can often be better when the expanded area is simple and doesn’t have complex texture.
Since it uses existing content from the photo, the result can sometimes look more natural and higher quality than a fully generated area.
Of course, it still depends on the photo. If the background has complicated shapes, strong lines, detailed flowers, or important subject edges, you may still need to fix some areas manually.
When Firefly Fill & Expand may be better
Firefly Fill & Expand may be useful when the expanded area needs more than simple repeating texture.
It can sometimes create missing background details, continue the scene, or fill more complicated empty areas.
But I would still check the result carefully, especially for larger expansions. Generative areas can sometimes look softer or less detailed than the original photo.
For small extensions, both methods may work well. For bigger changes, I would compare the results and choose the one that looks most natural.
More Complex Expand Example
The new Generative Expand in Lightroom is incredibly useful for bigger expansions when you want to turn a vertical photo into a 16:9 horizontal wallpaper for your computer.
When doing expansions this huge, it is important to assess the result and fix the areas that don’t look quite good.
This is where the healing and remove tools come in handy.
Fixing problem areas after expanding
Even if the first result is not perfect, this update is still very useful.
After expanding the photo, you can fix problem areas inside Lightroom with:
- Healing
- Remove
- Generative Remove
This means you do not necessarily need to send the photo to Photoshop just to clean up a small patch.
And even for bigger areas like in this example, you can use the Generative Remove tool to have the area filled anew. And here’s the best thing: The Generative Remove doesn’t use up your tokens!
Does Generative Expand in Lightroom Work on Mobile?
Yes, Generative Expand in Lightroom is now available on Lightroom Mobile too.
The main difference is that Lightroom Mobile currently only shows the generative expand option. On desktop, I can choose between Firefly Fill & Expand and Content-Aware Fill, but on mobile I do not see the Content-Aware Fill option yet.
So if you edit mostly on your phone, you can now expand photos directly in Lightroom Mobile, but if you specifically want the Content-Aware Fill version, you may still need to use Lightroom Desktop.
My older workaround is still useful if:
- your Lightroom app has not received the update yet
- you are using an older Lightroom version
- the built-in expand tool does not work well for a specific photo
- you want another way to expand the canvas before filling it
In that tutorial, I showed how to achieve the same result on mobile without this new Generative Expand feature available yet.
You can read that tutorial here:
Final thoughts
I am really excited to see Generative Expand in Lightroom built directly into the crop workflow on both desktop and mobile.
For my photos, this is useful because I often want to adjust the crop for Instagram without losing the parts of the scene that made the original composition work.
Being able to expand the frame directly in Lightroom makes the process much easier. And the option to choose Content-Aware Fill on desktop Lightroom is especially useful when I don’t want the expanded area to include any generated elements.
This update takes Lightroom one step closer to the capabilities of Adobe Photoshop.