NOT GUTTER / CMYK Splitter

Split into CMYK,
then imagine it
on paper.

Upload an image or PDF to see how it separates into CMYK. Adjust each layer, then download black-only PNGs for your Riso masters.

+ Upload Image / PDF JPG / PNG / PDF

Export Settings

Files export at 300 dpi with black density capped at 95% for each layer.

Output Size

Paper Orientation Choose portrait or landscape if you already know how you want to print.

Image Rotation Use this if your PDF or phone photo opens sideways.

Fit

Margin 0mm Use this when you want to place the image slightly away from the paper edge.

Max K Value 95% Black density for each plate is capped at 95%.

Choose an image first This tool will make CMYK plate data.

Quick Note

Use this preview to plan your layers. The ZIP contains black-only PNGs for cyan, magenta, yellow, and black. Paper, ink density, and print order all change the result, so try a test print and adjust as you go.

Split into CMYK,then imagine iton paper.

Preview

Split into CMYK,
then imagine it
on paper.