What is .BLW file extension?
Settings file used by Adobe Photoshop, an application used for creating and editing raster graphics; contains color settings for converting an image to a black and white format; contains the percentages of red, yellow, green, cyan, blue, and magenta colors to include in the resulting image, as well as hue and saturation values.
BLW presets files are commonly used for converting digital photos to black and white images. Digital photographers benefit by being able to filter various colors and create custom black and white pictures.
The Black and White window in Photoshop can be opened by selecting Image → Adjustments → Black & White.... Photoshop CS5 includes the following default Black and White presets:
High Contrast Blue Filter
High Contrast Red Filter
The BLW files are stored in the /Presets/Black and White/ directory of the Photoshop installation.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.