koatool

Free tools that do one job well.

Every Koatool tool runs in your browser. No account, nothing to install, and your numbers never leave your device.

Open Cortaplan

Woodworking

Cortaplan

Cut list optimizer for plywood, MDF and boards

Cutting diagram, edge banding, how many sheets to buy, and a shop mode that walks you through each cut at the saw.

More tools on the way

Each one made for a trade, built the same way.

The same in every tool