Portrait mode photos have become a popular addition to smartphones, with many device makers making it easy for users to add a blurry background to their images. Now it looks like a major photo app may be getting the feature, too.

Instagram may soon add a portrait mode to its app. A file called "portrait_shutter_icon.png" was found inside the APK of the Instagram app for Android, and the icon appears to show a basic version of a person's head. This icon would appear in the shutter button of the camera in the Instagram app.

The details of this feature are unclear, so it's unknown if it'll offer anything beyond a blurry background. It's also not known when this feature might launch to the public. Instagram declined to comment on this leak.

While a lot of phones offer a portrait mode built in to their camera app, it's not available on every device. Adding it to Instagram could make the app more appealing to those folks that don't have a built-in portrait mode, especially since there's not a similar feature found in Snapchat. Even for those who do have a built-in portrait mode on their phone, having a version of it in Instagram could eliminate a step if they plan on sharing their photo to Instagram anyway.

Does your phone have a portrait mode for photos? If so, how often do you use it?