Add or modify filters
Use ColorSync Utility to add or modify an existing filter to customize the color in a file.
Add a new filter
Click Filters in the toolbar of the ColorSync Utility window.
Click the Add button to create a new filter, enter a name for the filter, then press the Return key.
Click the pop-up menu to the right of the filter’s name, then choose the component:
Add Color Management Component: Choose an item from this submenu to add color modifications to your filter. Choose a default profile for files without a color profile.
Add Image Effects Component: Choose an item from this submenu to change the size, bit depth, interpolation, and compression settings for the images in your file.
Add PDF Retouch Component: Choose an item from this submenu to set how monochrome data is encoded, whether images are interpolated, and whether to create PDF/X-3 documents.
Add Domain Information: Choose this item to specify where the filter can be used. The filter can be used in apps, PDF workflows, or the Print dialog.
Add Comments: Choose this item to enter a comment about the filter.
When you add a filter, you can prevent it from being edited accidentally by clicking the pop-up menu to the right of it, then choosing Lock. To allow it to be edited, choose Unlock.
Modify a filter
Click Filters in the toolbar of the ColorSync Utility window.
Click the disclosure triangle to the left of the filter.
Click the disclosure triangle to the left of the filter component, then change the settings to modify the filter.
If the filter’s components are dimmed, that filter is locked and you can’t edit it.
To edit a filter while viewing how the edited filter modifies a PDF file, choose File > Open, then select a file. When the file opens, click the Filter pop-up menu at the bottom of the window, then choose Live Update from Filter Inspector. As you edit the filter, your changes are reflected in the PDF file.