Topic summary
JPG
Extracted from the Wikipedia article JPEG.
Lossless editing
- jpegtran and its GUI, Jpegcrop.
- IrfanView using "JPG Lossless Crop (PlugIn)" and "JPG Lossless Rotation (PlugIn)", which require installing the JPG_TRANSFORM plugin.
- FastStone Image Viewer using "Lossless Crop to File" and "JPEG Lossless Rotate".
- XnViewMP using "JPEG lossless transformations".
- ACDSee supports lossless rotation (but not lossless cropping) with its "Force lossless JPEG operations" option.