Creating circular image in PS 5.5

[willardh66823739]

I would like to make a round or circular image out of a regular rectangular one. I have tried in GIMP, Paint 3D, ACDSee, and PS. any suggestions? Thanks.

[Trevor.Dennis]

Polar Coordinates.

Strictly speaking, if you start with a rectangular image then you'll get an ellipse.  

Note if you want the objects to face out from the centre of the circle/ellipse, then you need to start with it upside down

So the above with Filter > Distort > Polar Coordinates  choosing Rectangular to Polar

creates one of those tiny planets things.

You can experiment with stretching the height if the original image.  If you start with a Smart Object you can make multiple attempts to get it to look how you want it to look.

[Trevor.Dennis]

You rotate, reposition etc. for best effect

[c.pfaffenbichler]

Unless @Trevor.Dennis ’ advice already solved your issue please post the image in question and explain in more detail what effect you want to achieve. 

[willardh66823739]

Didn't think I was being that obtuse. I want to create a round, or circular, image. Not a rectangular or elliptical or distortion of polar whatever or otherwise. A simple round image.

[c.pfaffenbichler]

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edited

You can use the Eliptical Marquee Tool to create a circular Selection and apply that as a Layer Mask. 

I am not sure whether 5.5 already allowed for Vector Masks (created with the Ellipse Tool in this case).