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Free Upgraded Accounts for Security Researchers & Tech Journalists

NerdyData indexes the source code of millions of websites. Apply for a free upgraded account and use it to uncover threats, investigate campaigns, and report at scale.
Security Researchers
Tech Journalists

Common research use cases

  • Identify websites running outdated or vulnerable software versions

  • Find all sites affected by a third-party supply chain compromise

  • Locate exposed API keys, tracking pixels, or analytics scripts

  • Map the spread of a malicious ad network or injected script

  • Verify scope during bug bounty or penetration testing engagements

  • Investigate infrastructure shared across fraudulent domains

Apply for a free upgraded account

Enter your work or professional email address

We manually review every request. No automated approvals - your account will be upgraded by a human.

What you get with a free upgraded account

Search Source Code of Millions of Sites

Find technologies, exposed scripts, tracking pixels, and honeypots across our index of millions of crawled websites.

Export Full Result Sets

Download complete lists of affected domains - no row limits. Ideal for bulk reporting and coordinated disclosure.

Source Code Fingerprinting

Search by HTML, JavaScript variables, cookies, HTTP headers, and network requests to find vulnerable or tracked sites.

Track Supply Chain Risk

Identify which websites load a specific third-party script or SDK - critical for supply chain compromise investigations.


Research Tools

Chrome LogoChrome ExtensionHubSpot IntegrationAPI AccessMCP Server