Download Substack Archive Search - Substack Post Indexer

Name: Substack Archive Search - Substack Post Indexer
Author: Neo Cortex

By: Neo Cortex

Download Substack Archive Search - Substack Post Indexer (current and past versions) for Firefox

Latest Version: 1.0.4 Updated: a month ago

Ready to install?

Substack Archive Search - Substack Post Indexer is available to install from Firefox Add-ons Store and for download from this page.

View source code

Daily users

5.0

3 ratings

Total downloads

Available versions

You can find the current and older versions of Substack Archive Search - Substack Post Indexer 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

Version	Download	Size	Download count	Timestamp
1.0.4	XPI · ZIP · Source code	4.56MB	0	2026-06-06
1.0.3	XPI · ZIP · Source code	3.85MB	0	2026-05-20

2026-06-06 · 0 downloads

XPI ZIP Source code

2026-05-20 · 0 downloads

XPI ZIP Source code

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