Tools

Design and print converters by Polotno

Print and design unit converters built on top of the Polotno SDK. No signup, no email, fully client-side — your files never leave your browser.

These tools are free and unencumbered. We built them on the same Polotno SDK that powers Polotno Studio and the embedded editor our customers ship in their own products. If you outgrow a tool here, the same canvas opens in Studio with one click.

Print & design unit converters

For designers, photographers, print-on-demand sellers, and anyone preparing files for print. Each converter has a print-quality verdict, an image-resolution validator, and a one-click hand-off to Polotno Studio at the same canvas size.

PIXELS ↔ INCHES

Pixels to inches converter — DPI-aware, with physical-size preview

INCHES ↔ PIXELS

Inches to pixels converter — pick a print size, get a sharp pixel canvas

MM ↔ PIXELS

Millimeters to pixels — A4, A5, business-card and EU print presets

PIXELS ↔ MM

Pixels to millimeters — convert any pixel canvas to metric print sizes

RGB → CMYK

RGB to CMYK converter — with ICC profile picker for accurate print

CMYK → RGB

CMYK to RGB converter — with profile-aware preview