You can use the editing options in the in-built Photos app on the iPhone to rotate the image by some angle, or mirror it.

All you have to do is open Google Photos, click a photo that you want to rotate, and then press Shift+R on your keyboard. This will rotate the photo 90 degrees counter-clockwise, and will save the ...

Louis Skrabec wants the angle on photo orientation: I downloaded photos from my camera to my Windows PC. I rotated photos taken in portrait orientation 90 degrees using the photo editing feature ...

This article offers a brief introduction to the new photo editing interface in the stock Photos app by looking at how you can crop, rotate, and straighten your shots in next to no time.

You can rotate a video on your iPhone or iPad using the crop tool in the Photos app.