To strip the metadata and still maintain the original file size and look, here’s what to do:
Step 1: Open your image. If it has layers, flatten it. Go to Select>All or use the keyboard shortcut of Command A on a Mac or Control A on a PC.
Marching ants will now surround your image.
Go to Edit>Copy or use the keyboard shortcut of Command C on a Mac or Control C on a PC.
Step 2: Go to File>New or use the keyboard shortcut of Command N on a Mac or Control N on a PC.
The New dialog box will appear and have the same dimensions as the photo you just copied. Note the identical width, height, resolution and image size. In the NAME field, re-title the photo if you want. Hit OK.
Go to Edit>Paste or use the keyboard shortcut of Command V on a Mac or Control V on a PC.
Step 3: The pasted file does not maintain the Camera Data. To confirm, go back to File>Get Info and the metadata is gone.