Each converted JPEG file will be stored in a folder next to its original. To turn off automatic folders, click this box.
Disabled because JPEG files will be saved manually.
To have converted JPEG files stored in a folder, click this box.
Type the new suffix here.
The suffix of converted JPEG files will be changed automatically. To turn off automatic suffix changing, click this box.
(Everything from the last “.” onwards is considered part of the suffix.)
To have the suffix of converted JPEG files changed automatically, click this box.
JPEG files will be named and saved automatically according to the next two settings.
To have JPEG files saved automatically, click this button.
You will be prompted to save each JPEG file manually.
To save JPEG files manually, click this button.
Type any comments you want to store in JPEG files (eg, copyright messages) here.
A warning will be displayed before recompressing images that are already JPEG files. To turn off this warning, click this box.
Recompressing JPEG files degrades image quality.
To warn before recompressing images that are already JPEG files, click this box.
Recompressing JPEG files degrades image quality.
The chroma components will be downsampled by a factor of 2 in each dimension. To turn off chroma downsampling, click this box.
Chroma downsampling reduces file size significantly, but causes colours to “bleed” near sharp colour boundaries.
Disabled because monochrome JPEG files contain no chroma information.
To turn on chroma downsampling, click this box.
Chroma downsampling reduces file size significantly, but causes colours to “bleed” near sharp colour boundaries.
Monochrome JPEG files will always be created, even for colour input images. To turn on automatic colour detection, click this box.
Converted JPEG files will be monochrome for monochrome input images, and colour for colour images. To force monochrome JPEG files to be created, click this box.
Progressive-display JPEG files will be created. To create baseline JPEG files instead, click this box.
Caution: some viewers still cannot display progressive-display JPEG files.
Baseline JPEG files will be created. To create progressive-display JPEG files instead, click this box.
Progressive-display JPEG files contain multiple scans of increasing quality, but are about the same size as their baseline counterparts.
Some extra compression time will be spent in order to make JPEG files a little smaller. To skip this, click this box.
To make JPEG files a little smaller at the expense of some extra compression time, click this box.
Type a smoothing factor from 1 to 100 here. A moderate smoothing factor of 10 to 50 gets rid of dithering patterns, such as those found in GIF files.
Images will be smoothed before compression. To turn off smoothing, click this box.
To smooth images before compression, click this box. Smoothing can help to reduce dithering noise, such as found in GIF images.
Type a number from 5 to 95 here. Smaller numbers produce smaller files which look worse; larger numbers produce larger files which look better.
75 is usually a good starting point.
If 95 isn't good enough, try turning off “Downsample chroma”.
The Conversion Options dialog box will be displayed for every file that is to be converted. To turn off this behavior, click this box.
To cause the Conversion Options dialog box to be displayed for every file that is to be converted, click this box.
To revert these settings to the recommended defaults, click this button.
To cancel changes to these settings and close the dialog box, click this button.
To save these settings and close the dialog box, click this button.
