Icon of program: Modify Headers

Modify Headers for Windows

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The Download Now link will prompt a local download of the Firefox extension. To install the extension directly, open the file using your Firefox browser.

Editors’ Review

Download.com staff
Modify Headers is a straightforward tool for adding, editing, and filtering HTTP request headers. It allows for user agent string manipulation and spoofing mobile requests.

  • Pros

    • Adds, edits, and filters HTTP headers.
    • Modifies user agent strings.
    • Spoofs mobile requests.
    • Includes helpful documentation.

  • Cons

    No Cons available

Icon of program: Modify Headers

Modify Headers for Windows

Download now

Used Modify Headers for Windows?

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Full Specifications

GENERAL
Release
Latest update
Version
0.7.1.1
OPERATING SYSTEMS
Platform
Windows
Operating System
  • Windows 2003
  • Windows Server
  • Windows XP
  • Windows 7
  • Windows 10
  • Windows Vista
Additional Requirements
Firefox 4.0-9.0
POPULARITY
Total Downloads
5,199
Downloads Last Week
6
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Program available in other languages

Last Updated

Developer’s Description

By Gareth Hunt
Add, edit, and filter HTTP request headers.

Modify Headers can modify the user agent string and add headers to spoof a mobile request (e.g. x-up-calling-line-id). Take a look at the help tab of the Modify Headers window. Some people think that 'user-agent' is a custom way of specifying the user agent string.

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