Laser kerf calculator for finger joints… by AutoAugeo

Free laser kerf calculator for finger joints: type sheet thickness, kerf and edge length, get finger count, pitch and the drawn tab and slot widths.

Works offline, entirely in your browser: no account, no network calls, no data collected. The extension asks for no permissions; the toolbar button opens the tool in a new tab. Also on the web: https://augeo-fitted-laser-cut-box-and-tray-generator-0c98.pages.dev/

The tool is free. Some extra materials are sold separately on the website through Gumroad (linked inside the tool); buying them is optional.