Drag the filter into that folder and launch Photoshop. On a Mac: Make sure Photoshop isn’t running (so Quit if it is!), open a new window, and navigate to Applications Adobe Photoshop CS5 Plug-ins Filters. Remember that once you have installed the filters, you will need to restart Photoshop. Best Free Photo Editing Software for Mac To add some higher level of features to the photos, there is some free photo editor for Mac. Filters are used to add some advanced personality to the photos. Using this Randomization enhancements user has more Pixel Awareness. These filters are Resolution Independent and are used for Bump and Normal Maps. One can make use of these for Seamless Tiling. There are so many software which provide Filter Editor as well as these software even have an Online Filter Library. Photoshop filters are used to enhance the images and photographs taken.