1. Overview
Header & Response Modifier is a developer tool designed to modify HTTP request/response headers, redirect URLs, serve custom mock responses, and modify request payload bodies locally within the browser. We respect your privacy and adhere to the Chrome Web Store Developer Program Policies.
2. Data Collection & Privacy
- Zero Personal Data Collection: Header & Response Modifier does NOT collect, store remotely, track, or sell any personal information, browsing history, web traffic, user identifiers, or analytics.
- 100% Local Storage: All rule configurations, custom header values, request body payload overrides, redirect URLs, and mock response bodies created by you are stored exclusively on your local device using Chrome's
chrome.storage.localAPI. - No External Servers: The extension does not transmit any data off your device or connect to external analytics or telemetry services.
3. Chrome Extension Permissions
| Permission | Purpose & Usage |
|---|---|
declarativeNetRequest |
Used exclusively to modify headers and redirect URLs dynamically at Chrome's network engine level based on your active rules. |
storage |
Used exclusively to save and retrieve your custom rule configurations locally on your device. |
tabs |
Used to launch the extension dashboard options page and display active rule status across tabs. |
host_permissions (<all_urls>) |
Required to allow user-configured header rules, request payload overrides, and redirects to execute on your target domains. |
4. User Data Control & Deletion
You retain total control over your data. You can edit, disable, or delete any rule at any time in the extension dashboard. Uninstalling the extension permanently removes all stored rules and settings from your device.
5. Contact
If you have any questions or feedback regarding this privacy policy, please visit our official project documentation or repository support page.