Ink Splitter © Mads Wolff 2024

This is a tool for separating an RGB image into two spot channels.

Depending on the input image and the chosen inks, it can give quite good results.

It's a work in progress and a little rough around the edges, so use it at your own discretion. It's not scientifically correct or based on real life measurements.

Instructions

• Upload an image by clicking the UPLOAD IMAGE button.
• Choose an ink by clicking a channel and then clicking a color swatch.
• Choose the paper type by clicking the COATED/UNCOATED switch.
• Download the separated image by clicking the DOWNLOAD SEPARATION button.
• Open the separated image in Photoshop and manually map the red and green channel to spot channels using the two chosen inks.
• Adjust channels as needed.

Tips and warnings

• Images must be .png or .jpg and is assumed to use sRGB profile.
• Transparency is not supported.
• Very large images might silently fail and get large empty areas.
• Choosing coated paper generally gives the best result.
• Metallic inks are not supported.