Download HTTP/?

Download HTTP/? (current and past versions) for Firefox
HTTP/? is available to install from Firefox Browser Add-ons and for download from this page. It has 3 daily users. The latest version is 1.1.1, and it was last updated 5 months ago.
View source code
Total download count: 0 (Only count downloads from Firefox-Stats)

Available versions

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

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

Upgrade to download older versions
Version Download Size Download count Timestamp
1.1.1 XPI · ZIP · Source code 22.02K 0 2024-10-19
1.0.1 Paid users only 21.50K 0 2023-01-19

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  1. Download the HTTP/? 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 HTTP/? ZIP file from step 1. HTTP/? is now installed on your browser.

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