CheckoutGuard — Stop surprise SaaS billing before it happens.

The Problem When solo founders and small teams convert SaaS free trials to paid, platforms like Microsoft 365 silently default to 25+ licenses without clear confirmation. Users wake up to surprise $99+ charges they never authorized, and finding support is a nightmare. The checkout UI is deliberately opaque, and even AI assistants can't point founders to real help. What We're Building CheckoutGuard is a browser extension that watches your SaaS checkouts in real-time. It detects when a platform pre-fills seat counts suspiciously higher than your company size, flags it with a red warning banner, and forces explicit confirmation before checkout submits. For paid users, we auto-generate dispute tickets and archive receipts so you have proof if something goes wrong. Who It's For Solo founders and early-stage startup operators (pre-Series A) who manage their own SaaS stack and actively convert free trials to paid subscriptions. Includes indie hackers, bootstrapped B2B startups, and small agen