Media
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Description
Create and switch local profiles to modify HTTP request and response headers. Header Profiles is a local HTTP header rule manager for development, testing, and debugging. Create and switch header profiles without changing application code. Features: • Create multiple profiles and switch them with one click. • Review the profile name and confirm before deletion to prevent accidental loss. • Set values, append values, or remove request and response headers for matching URLs. • See an inline explanation when Chrome does not support appending to a request header. • Save edits automatically while clearly distinguishing saved settings from successfully applied rules. • Keep the last working rules active when a new draft contains an invalid enabled rule. • Quickly configure common development headers such as x-tt-env, x-use-ppe, and x-use-boe. • Choose where rules apply by page domain, then further filter request URLs or target domains. • Export and import JSON backups to migrate configurations between browsers. • Use the interface in English or Simplified Chinese. How it works: 1. Create or select a profile. 2. Add URL matching conditions and header rules. 3. Enable the profile and reload the target page. Privacy: Profiles, header values, interface language preferences, and rule application status stay in local extension storage. This extension does not send your profiles, header values, browsing activity, or page content to any server. Avoid storing passwords or long-lived tokens in header rules.