Simple no dependency image cropping & rotation tool.
Requires static file server to load example index.html in a browser.
Use cropper.crop() in browser console to trigger crop action.
Use cropper.rotate(1) in browser console to rotate the current image by 90 degrees clockwise. Uses integers for rotation amount and direction. Positive numbers for clockwise & negative numbers for counter-clockwise rotation. cropper.rotate(-2) will rotate the image by 180 degrees counter-clockwise.
Use cropper.reset() in browser console to reset changes and reload the original image.