Download OPFS Browser

Name: OPFS Browser
Author: JCHU634

By: JCHU634

Download OPFS Browser (current and past versions) for Firefox

Latest Version: 1.0.3 Updated: 9 months ago

Ready to install?

OPFS Browser is available to install from Firefox Add-ons Store and for download from this page.

View source code

192

Daily users

5.0

2 ratings

Total downloads

Available versions

You can find the current and older versions of OPFS Browser 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	Timestamp
1.0.3	XPI · ZIP · Source code	189.46KB	2025-10-24
1.0.2	XPI · ZIP · Source code	189.32KB	2025-08-05
1.0.1	XPI · ZIP · Source code	186.59KB	2025-07-16

2025-10-24 · 0 downloads

XPI ZIP Source code

2025-08-05 · 0 downloads

XPI ZIP Source code

2025-07-16 · 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 OPFS Browser ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the OPFS Browser ZIP file from step 1. OPFS Browser is now installed on your browser.