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Headerline

ExtensionDeveloper Tools9 users
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Overview

Inject custom HTTP request headers for development and testing

Lightweight Chrome extension for injecting custom HTTP request headers. Supports up to 5 independent headers, each with its own on/off toggle. Built as a minimal, ad-free alternative to ModHeader for local development and blue/green testing.

Details

  • Version
    1.0
  • Updated
    July 9, 2026
  • Offered by
    Emory Barlow
  • Size
    6.75KiB
  • Languages
    English
  • Developer
    Emory Barlow
    115 Industrial Dr NE Christiansburg, VA 24073-2536 US
    Email
    emory.barlow@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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