ModHeader

ModHeader

Add and modify the HTTP request headers and response headers. Use ModHeader to: - Add / modify request and response headers - Add / modify cookies - Multi-profile support - Filtering based on URL, tab, or window - Export and share profiles

ModHeader promo image

ModHeader is available to install from Firefox Browser Add-ons and for download from this page. It has 19,123 active users The latest version is 4.4.1, and it was published 6 months ago.

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Total download count: 22 (Only count downloads from Firefox-Stats)
Install ModHeader from Firefox Browser Add-ons
All available versions

You can find the current and older versions of ModHeader here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

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Version Download Size Download count Timestamp
4.4.1 Sign in to download 394.17K 2 2023-09-05
4.4.0
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392.86K 9 2023-08-07
4.3.8
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391.09K 0 2023-07-12
4.3.6
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390.44K 0 2023-05-04
4.3.4
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370.55K 0 2023-04-24
4.3.2
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370.62K 0 2023-04-11
4.3.1
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369.61K 0 2023-04-05
4.3.0
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369.60K 0 2023-03-27
4.2.10
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369.45K 0 2023-03-04
4.2.4
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369.24K 0 2023-02-24
4.2.1
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367.79K 0 2023-02-10
4.2.0
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370.51K 0 2022-11-19
4.1.5
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369.43K 0 2022-11-17
4.1.4
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353.06K 0 2022-11-09
4.1.3
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347.29K 0 2022-11-06
4.1.0
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321.07K 0 2022-10-27
4.0.21
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319.06K 9 2022-09-01
4.0.20
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317.20K 0 2022-08-26
4.0.19
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316.94K 0 2022-08-23
4.0.18
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316.87K 0 2022-08-20
4.0.17
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316.11K 0 2022-08-16
4.0.16
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315.87K 1 2022-08-12
4.0.15
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314.89K 0 2022-08-09
4.0.14
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311.84K 1 2022-08-02
How to install ModHeader from an XPI file
  1. Simply drag-and-drop the XPI into Firefox to install the add-on.
How to install ModHeader from a ZIP file
  1. Download the ModHeader ZIP file
  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the ModHeader ZIP file from step 1. ModHeader is now installed on your browser.