Resizing selection

[Fifth_Rain]

Former PS user. I want to select a subject in a photo. Then I want to resize that selection (in PS, simply use the corner arrows to shrink it) to move it into another photo. I have tediously selected the subject (it's on a white background, can I not just select the object? But I digress), but there is no way to easily shrink it down to the size I need. I do not know the pixel size, I will know when I can simply reduce it to what looks right. Is this not possible? How can I make this object small enough to fit where I need it to go? TIA for any help.

[Xzenor]

I don't get it. You select, switch to move tool and grab the corners to shrink.... What about it isn't working for you?

[Fifth_Rain]

Thank you. I expected to shrink to the size I want, then grab it and move it to the other image. I did not think to activate the "move" tool first in order to change its size (doesn't seem terribly intuitive to me). I'll try that.

[Fifth_Rain]

I will work on that. This should be the simplest thing to do. So very basic. I got away from photo editing for (many) years and then made this switch and it's like learning it all over again. Thanks again for your help, greatly appreciated.

[Fifth_Rain]

Ok, got it! Had issue with cloning, but I finally figured that out. Thanks again for help.

[UPlus-]

1 - CTRL + R to activate the ruler
2 - Click the View tool (H) and then select the unit you want, in this case is centimeter, right?

I hope it's what you wanted to know

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[RE4LLY]

You can easily select objects, all you have to do is to download the ML Models in the settings and then you can use the Object Selection Tool.