About Mokuromi

A tool for trying your business idea in numbers — at the stage before it becomes a plan. Each idea you put down here is *a mokuromi*: a rough sketch of a business, in numbers.

Before the spreadsheets and the pitch decks, there's a simpler question: "could this actually work?" Put down a price, a count, and your costs, and see.

• Rough is valid. Every number here is an assumption, not a promise.
• The numbers are serious. On top of your assumptions, the math never cheats.
• Your data stays in this browser. No account, no sign-up. That also means clearing your browser clears your mokuromi — export to JSON for anything you want to keep.

Published as the first tool from Noessia.