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Your app is live. Is anything watching it?

Paste your app's address. Ten seconds, read-only, plain English.

https://

By scanning you confirm you own this app or are authorized to test it. Read-only: nothing is written, no user data is read.

See a sample report Built for Lovable Bolt v0 Replit Cursor

How it works: Left Unlocked fetches your public pages and first-party scripts and runs read-only checks, the same requests a browser makes. It never writes data, guesses passwords, or reads your users' records. About the scanner bot.

The free scan is a snapshot. Pro re-runs it every week, checks the code you push, watches uptime and errors, tells you the moment something new is wrong, and opens the pull request that fixes it.

Guides: Lovable · Bolt · v0 · Replit · Cursor. What each tool ships, what leaks, and the fix.

Built and run by Nadav Shinhorn. Only scan apps you own or are authorized to test. Privacy · Terms · Accessibility