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This extension allows grepping header names and values of all requests Header Grep makes it easy to search and filter HTTP request and response headers directly from Chrome's Developer Tools. Effortlessly filter header names and values on both requests and responses. - Advanced search capabilities using regular expressions to match specific headers and values. - Adds a dedicated tab to Chrome DevTools for quick and intuitive monitoring of headers, with powerful search features. - Perfect for developers and testers who need to quickly analyze and debug HTTP headers with precision.
Feb 23, 2026
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Declared language locales.
Developer website
Listing exposes a developer website URL.
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Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
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Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
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