blinkof.ai
v0 app tester

Test your v0 app.
In a blink.

v0 gives you a polished Next.js front-end. The things it leaves for you are the server edges — API routes, source maps, and headers. Paste your URL and see them.

v0 generates Next.js and React, usually deployed on Vercel. Blinkof tests the live app like a real user and hands you a paste-ready fix prompt for v0.

Common issues we find in v0 apps

Ungated API routes

AI builders scaffold /api/* routes to move fast and forget to gate them. We probe the guessable ones (only on a site you own or authorize) and flag any that return data or secrets without a login.

Source maps shipped to production

When production source maps are public, anyone can read your original, un-minified source — comments, logic, and any key left in client code. We detect this and recover secrets a minified scan would miss.

Security headers and CSP gaps

We grade your headers and check whether your Content-Security-Policy is real or defanged by unsafe-inline. You get the precise directives to tighten it without breaking the app.

Link previews and metadata

Even with Next.js SSR, an app can ship without an Open Graph image or a clean title. We check what your link looks like when it is shared, because launch day is when it is shared most.

v0 app testing — FAQ

How do I test my v0 app?

Paste your v0 app URL into Blinkof.ai for a free scan: exposed secrets and source maps, ungated API routes, security-header grade, and SEO and link-preview checks — each with a paste-ready fix for Next.js.

Does v0 expose my source code?

It can, if production source maps are served. Blinkof detects public source maps and even recovers secrets from the recovered source, then shows you how to turn map generation off for production.

Scan my v0 app →