Post Peek Firefox

Download Post Peek

By: Tim Add-on
Download Post Peek (current and past versions) for Firefox
xHeader
Modify request and response headers. No ads, no malware.
Latest Version: 1.2.0 Updated: 9 days ago

Ready to install?

Post Peek is available to install from Firefox Add-ons Store and for download from this page.
View source code
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Available versions

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

As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
VersionDownloadSizeDownload countTimestamp
1.2.0XPI · ZIP · Source code24.91KB02026-09-16
1.2.0 24.91KB
2026-09-16 · 0 downloads

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

Install ZIP file

  • Download the Post Peek ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the Post Peek ZIP file from step 1. Post Peek is now installed on your browser.

Best Post Peek Alternatives

Here are some Firefox add-ons that are similar to Post Peek: