Corton Turns Surveillance Notes Into Invoices

Why it surfaced

Its promise is unusually concrete: tap a timer, let mileage track in the background, photograph receipts or dictate notes, and have the billable record assembled into an invoice. The site’s plainspoken pitch—“Everything you log becomes the invoice”—makes a narrow administrative problem feel instantly legible.

Corton is a field-logging and invoicing tool for solo and micro-firm private investigators.