Do you mean after you took the photo ?
You can always just use the photo viewer itself. It has a built in editor.
Also if you want to adjust the exposure as you actually take the photo, you can do that with the native photo app. Simply tap to focus on something then if you touch the screen along side the focus box and slide your finger up and down you’ll see you can adjust the exposure.
After the photo.
Everything I’ve tried changes the photo too much and it doesn’t look as nice. In fact it’d be nice if I could just adjust parts of the photo like the background which is dark.
You can use Adobe Lightroom or Snapseed, it has a Selective Tool. You can brush the part you want to adjust to select it and then make the changes. These are the best app you can use as they keep the quality of the photo to the maximum.
If the image was really underexposed, no amount of magic will turn it into a decent image.
Can u please tell me what underexposed means?
How do you do just the background
Underexposed is when the images or parts of the image was not illuminated sufficiently to record data on the camera sensor. You can use these apps to “pull” some detail out of some of the dark areas but the results will not be pleasing.
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It would require “masking” the subject and applying shadow reduction to the background only.
I get it. Yeah I would say it’s underexposed. Like most of it looks good but it was a dark background and I want to illuminate it. When I use the seed app it illuminates the background great but it does look super grainy. Still not too bad. But the problem is the part that’s fine gets illuminated and it’s like why!?!? so I want to just leave the good part alone and fix just the bad.
The second post was like French to me. I am photography illiterate sadly.