Download SyncUp

Name: SyncUp
Author: Basishoef

By: Basishoef

Download SyncUp (current and past versions) for Firefox

Latest Version: 1.2.8 Updated: 4 months ago

Ready to install?

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

View source code

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Total downloads

Available versions

You can find the current and older versions of SyncUp 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
1.2.8	XPI · ZIP · Source code	134.80KB	2026-02-18
1.2.7	XPI · ZIP · Source code	134.52KB	2026-02-10
1.2.6	XPI · ZIP · Source code	133.79KB	2026-02-07
1.2.5	Paid users only	132.93KB	2026-02-02
1.2.4	Paid users only	131.89KB	2025-12-17
1.2.2	Paid users only	133.44KB	2025-12-14
1.2.1	Paid users only	133.33KB	2025-12-14
1.0.0	Paid users only	129.89KB	2025-12-12

2026-02-18 · 0 downloads

XPI ZIP Source code

2026-02-10 · 0 downloads

XPI ZIP Source code

2026-02-07 · 0 downloads

XPI ZIP Source code

2026-02-02 · 0 downloads

Paid users only

2025-12-17 · 0 downloads

Paid users only

2025-12-14 · 0 downloads

Paid users only

2025-12-14 · 0 downloads

Paid users only

2025-12-12 · 0 downloads

Paid users only

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