Headerharbor: Web Headers

Debug CSP, CORS and HSTS

$0.99 · Designed for iPad. Not verified for macOS.

Audit HTTP response headers offline, explain CSP and CORS interactions, and build a precise hardening plan without sending URLs away. Headerharbor is a local response-header workbench for developers, auditors, and support teams troubleshooting browser security policy. Turn local Raw HTTP headers evidence into a prioritized, editable review with explicit assumptions, ownership, and exportable decisions. KEY FEATURES - Native Raw HTTP headers import and normalization - Interactive policy harbor - Editable responses with owners and evidence - Deterministic header findings scoring - Current-versus-proposed state comparison - Decision log with accountable disposition - Portable header hardening packet export - Private offline workspace with no account - Native structured-file or CSV import - Local PDF, workspace JSON, and domain-artifact export - 48 original offline technical reference plates - No account, ads, analytics, tracking, IAP, or subscription Headerharbor reviews recorded headers and request context; browsers, caches, redirects, service workers, proxies, and origin rules may alter behavior. Confirm findings in supported browsers and on the final response path.

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The developer, Robert Corbin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Robert Corbin
    Size
    • 45.6 MB
    Category
    • Developer Tools
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Robert Corbin
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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