I run a few side projects. The paperwork reality of running side projects is filling in the same company name, address, phone number, and tax ID into web forms, over and over, on vendor portals, invoice tools, e-commerce seller dashboards, and government registration pages. My password manager handles login credentials. It doesn't handle business info particularly well. So I built FormFill Vault. The problem is more specific than it sounds Password managers are great at what they do. But "what they do" is structured around credentials: username, password, maybe a TOTP. When you hit an invoice form that wants your company legal name, postal code (Japanese 7-digit format), city/ward, building, floor, room number, fax, and tax registration number — in separate fields — the auto-fill either ignores most of it or fills random fields incorrectly. The other option is a browser profile. Browsers let you save your address. One address. In one format. That doesn't cover the seller who has three business registrations.…