Northline Office

Northline Office is a small AI practice in New York. This is what we make.

198 free tools

Five sites of converters, calculators and office documents. Nothing gets uploaded.

Tools for legal professionals: eight spreadsheets for small firms.

Every Way Out, plus two more books.

Short videos on our tools, filmed on the live sites.

Mail, calendar and travel on one screen, with Leo, our AI assistant.

Printables and spreadsheets you can download.

Seven open source add-ons that make an AI assistant check its work, watch its spending, and show the receipt.

Practical security for small businesses, including what your AI tools do with what you paste into them.

Tell us what you're trying to do, and you'll get a straight answer. You can also write to contact@northlineoffice.com.