Install OFDownloader in Firefox
Get OFDownloader directly from Mozilla Add-ons on desktop or Android. Firefox handles the installation and future extension updates for you.
Install OFDownloader
Usually takes less than two minutes.
Step 1
Open the official Mozilla Add-ons page
Open OFDownloader on addons.mozilla.org in desktop Firefox or Firefox for Android.
Open Mozilla Add-onsStep 2
Click “Add to Firefox”
Mozilla shows the current public release. Click Add to Firefox to start the official installation flow.
Step 3
Review permissions and confirm
Firefox displays the requested permissions and data collection disclosure. Review them, click Add, and wait for the installation confirmation.
After installation
Try a download before entering a license
OFDownloader may show a license prompt when it first opens. Close it and try a download on OnlyFans first. If OFDownloader works for you, purchase a license later when you are ready.
- 1. Close the license prompt
- 2. Open OnlyFans in Firefox
- 3. Try a download
Troubleshooting
The store asks you to download Firefox
The Mozilla page is open in another browser. Copy the store link, open Firefox, and paste it into the address bar.
Firefox says the extension is not compatible
Update to Firefox 140 or newer on desktop, or Firefox for Android 142 or newer, then return to the Mozilla Add-ons page.
OFDownloader is installed but no Download action appears
Confirm the extension is enabled from the Firefox Extensions menu, refresh the OnlyFans tab, and temporarily disable another downloader or content blocker before testing again.
Manage the extension
Firefox installs updates automatically. Use the browser menu to view, disable, or remove the extension.
Desktop Firefox
Open the Firefox menu → Add-ons and themes → Extensions, then select the installed downloader.
Firefox for Android
Open the Firefox menu → Extensions, then select the installed downloader.
Version 2.2.3 may appear in Firefox as “Onlyfans Video Downloader” rather than “OFDownloader.”