How Rotate & flip images works
Image Rotate and Flip corrects image orientation or mirrors your photo without re-encoding the pixel data unnecessarily. You can rotate in 90-degree steps (90, 180 or 270 degrees clockwise) or flip the image horizontally or vertically. The transformation is applied via the Canvas API in your browser; the file is read from your device and the result is downloaded back to it, with no server involved.
Mobile cameras sometimes store photos in a rotated orientation and use an EXIF tag to tell software how to display them correctly. If your image looks sideways in certain applications, this tool lets you bake the correct rotation into the pixel data itself, so the image displays correctly everywhere regardless of EXIF support. The output file has the rotation embedded in the pixels rather than in metadata.