upholstery foam electric knife

An upholstery foam electric knife is the fastest way to turn a slab of cushion foam into a clean, square seat, back pad, or bench cushion. Its twin reciprocating blades slice through high-density and polyurethane foam without tearing, crushing, or leaving the ragged edges you get from scissors or a bread knife.

Why Use an Electric Foam Cutter?

When cutting upholstery foam, straight, even edges help fabric covers fit snugly and keep piping lines crisp. An electric foam cutter also handles thick foam in a single pass, saving time on large reupholstery projects.

What to Look For in an Electric Knife for Foam

Blade Length

Choose blades longer than your thickest foam so you can cut all the way through in one smooth stroke.

Comfort and Control

A balanced, easy-grip handle helps you follow marked lines and cut curves or angles accurately.

Cutting Tips

• Mark cut lines with a marker and a straightedge.
• Let the blades do the work instead of forcing them.
• Keep the knife upright for square, professional edges.

Shop Foam Cutting Tools

Ready to shape cushion foam like a pro? Browse the foam cutting knife options and upholstery supplies below to find the right tool for your next project.