What JDownloader Extension Does
JDownloader Extension is a browser add-on that catches download links from websites and sends them to JDownloader, a separate program on your computer that handles the actual downloading. Instead of your browser downloading files one at a time, the extension lets JDownloader manage multiple downloads at once, pause them, resume them, and organize them into folders.
The extension works by sitting in your browser toolbar and watching for links you want to download. When you click the extension icon or right-click a link, it passes that link to JDownloader, which then takes over. This is useful if you regularly download files from video sites, file hosts, or anywhere that has many links on one page.
You need both pieces to make this work: the JDownloader program installed on your computer, and the browser extension installed in your browser. The extension alone does nothing — it is just the messenger between your browser and JDownloader.
Key Takeaways
- JDownloader Extension requires JDownloader to be installed on your computer first; the extension cannot work by itself.
- You install the extension from your browser's official store (Chrome Web Store, Firefox Add-ons, or Edge Add-ons depending on which browser you use).
- After installation, the extension icon appears in your browser toolbar and you can right-click any link to send it to JDownloader.
- JDownloader must be running on your computer for the extension to pass links to it; if JDownloader is closed, the extension still works but nothing happens to the links.
- The extension works best on sites with multiple download links, but also works on single files from any website.
Install JDownloader on Your Computer First
Before you install the browser extension, you must have JDownloader itself running on your computer. Go to jdownloader.org in your browser, click the Download button, and follow the installer for your operating system (Windows, Mac, or Linux). Once installed, open JDownloader and leave it running — the program sits in your system tray or taskbar.
When JDownloader first opens, it may ask you to log in or set up a folder where downloads go. You can skip the login and just pick a folder — your Downloads folder works fine. The important part is that JDownloader is actually running on your computer before you try to use the extension.
Install the Extension in Chrome
Open Chrome and go to the Chrome Web Store. Search for "JDownloader Extension" or "JDownloader" and look for the official one (it should show the JDownloader logo). Click Add to Chrome, then click Add extension when the popup appears.
The extension icon now appears in your Chrome toolbar, usually in the top right corner next to your address bar. If you do not see it right away, click the puzzle piece icon in the toolbar, find JDownloader Extension in the list, and click the pin icon next to it to make it always visible.
Install the Extension in Firefox
Open Firefox and go to addons.mozilla.org. Search for "JDownloader" and select the official JDownloader Extension from the results. Click Add to Firefox and confirm when Firefox asks for permission.
The extension icon appears in your Firefox toolbar. If it is hidden, click the menu button (three horizontal lines) in the top right, select Extensions, find JDownloader, and click the toggle to turn it on. You can also drag the extension icon to your toolbar to keep it visible.
Install the Extension in Edge
Open Microsoft Edge and go to the Microsoft Edge Add-ons store. Search for "JDownloader Extension" and click the official result. Click Get, then click Add extension to confirm.
The extension icon appears in your Edge toolbar. Like Chrome and Firefox, you can click the puzzle piece icon if you do not see it and pin JDownloader Extension to your toolbar.
Send Links to JDownloader Using the Extension
Make sure JDownloader is running on your computer. Then, when you find a link you want to download, right-click it and look for an option that says "Send to JDownloader" or "Download with JDownloader." Click that option and the link goes to JDownloader immediately.
You can also click the extension icon in your toolbar while you are on a webpage, and it will grab all the downloadable links on that page and send them to JDownloader at once. This is faster than right-clicking each link individually when a page has many files.
After you send a link, switch to JDownloader on your computer and you will see the link in the download queue. JDownloader starts downloading automatically, or you can click the link and press Start to begin whenever you want.
Troubleshoot When the Extension Is Not Working
If you right-click a link and do not see the "Send to JDownloader" option, first check that JDownloader is actually running on your computer. Look in your system tray (Windows) or menu bar (Mac) for the JDownloader icon. If it is not there, open JDownloader and wait a few seconds for it to fully load.
If JDownloader is running but the option still does not appear, try restarting your browser completely. Close all browser windows and open the browser again. If that does not work, uninstall the extension and reinstall it from your browser's store — sometimes the extension loses its connection to JDownloader and a fresh install fixes it.
On some websites, the right-click menu may not show the JDownloader option even though the extension is installed. This happens when the website blocks certain browser functions. In that case, try clicking the extension icon in your toolbar instead — it often works even when the right-click menu does not.
Frequently Asked Questions
Do I need to pay for JDownloader or the extension?
No. JDownloader and the extension are both free. Some websites may ask you to pay for faster downloads or premium features, but those are separate services — JDownloader itself costs nothing.
Can I use the extension without JDownloader installed?
The extension will install and sit in your toolbar, but it will not do anything without JDownloader running on your computer. You must have both the program and the extension for the system to work.
What happens if I close JDownloader while the extension is still running?
The extension stays in your toolbar, but clicking it or right-clicking links will not send anything anywhere. Open JDownloader again and the extension will work normally. You do not need to restart your browser.
Can I send links to JDownloader from my phone?
The browser extension only works on desktop browsers (Chrome, Firefox, Edge on Windows or Mac). Mobile browsers do not support extensions. You can still use JDownloader on your computer to download files, but you cannot use the extension on a phone or tablet.
Why is the extension asking for permission to access my browsing data?
The extension needs permission to see the links on webpages so it can send them to JDownloader. It does not store or share your browsing data — it just reads the page to find download links. You can review what permissions the extension has by going to your browser's extension settings.