User:0mtwb9gd5wx/JPEG image Lossless Transform


 * XnView: has lossless rotation, freeware for private, educational and non-profit use
 * FastStone Image Viewer: has lossless rotation, freeware for personal and educational use
 * IrfanView can rotate losslessly, needs plugins installed, Proprietary, free for non-commercial use
 * check for plugin:
 * Help -> Installed PlugIns
 * look for JPG_TRANSFORM.DLL
 * use lossless rotation with IrfanView:
 * Options -> JPG Lossless Rotation
 * (or press Shift+J)
 * use lossless Crop with IrfanView:
 * Options -> JPG Lossless Crop
 * (or press Control+Shift+J)
 * (or press Control+Shift+J)


 * ExifTool has lossless rotation, free and open-source software
 * Orientation: 1 2 3 4 5 6 7 8 (Image)
 * 1 = Horizontal (normal) Identity function
 * 2 = Mirror horizontal yaw axis  Yaw (rotation)
 * 3 = Rotate 180      roll axis
 * 4 = Mirror vertical  pitch axis
 * 5 = Mirror horizontal and rotate 270 CW
 * 6 = Rotate 90 CW
 * 7 = Mirror horizontal and rotate 90 CW
 * 8 = Rotate 270 CW
 * 6 = Rotate 90 CW
 * 7 = Mirror horizontal and rotate 90 CW
 * 8 = Rotate 270 CW


 * jpegtran: free software permissive BSD attribution by Independent JPEG Group
 * (to include all EXIF data)
 * https://www.ijg.org/
 * http://sylvana.net/jpegcrop/exif_orientation.html
 * http://sylvana.net/jpegcrop/jpegtran/
 * http://sylvana.net/jpegcrop/
 * http://sylvana.net/fixpix/
 * http://sylvana.net/1stguide/
 * http://sylvana.net/mpeg_sys/
 * http://sylvana.net/jpeg-ari/
 * http://sylvana.net/jpeg-bin/
 * http://sylvana.net/imgtools/
 * programs that rotate JPEGs losslessly
 * https://jpegclub.org/losslessapps.html
 * https://jpegclub.org/jpegtran/
 * https://jpegclub.org/
 * https://jpegclub.org/reference/reference-sources/
 * http://sylvana.net/jpegcrop/exif_orientation.html
 * http://sylvana.net/jpegcrop/jpegtran/
 * http://sylvana.net/jpegcrop/
 * http://sylvana.net/fixpix/
 * http://sylvana.net/1stguide/
 * http://sylvana.net/mpeg_sys/
 * http://sylvana.net/jpeg-ari/
 * http://sylvana.net/jpeg-bin/
 * http://sylvana.net/imgtools/
 * https://jpegclub.org/losslessapps.html
 * https://jpegclub.org/jpegtran/
 * https://jpegclub.org/
 * https://jpegclub.org/reference/reference-sources/
 * https://www.ijg.org/
 * https://www.ijg.org/