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JDownloader is a download manager written in Java. JDownloader can download normal files, but also files from online file hosting services like MEGA.nz.

## Installation

Install jdownloader2AUR.

### Running

Use the command jdownloader to start JDownloader. When you have just installed JDownloader, this will run the update tool to download some required files for JDownloader, else this will start JDownloader directly.

## Configuration

When you first start JDownloader you can choose your preferred language and also your download directory. On the next window, JDownloader asks you if you want to install FlashGot, a Firefox extension. I recommend clicking on Cancel. If you want this extension, you can still download it through the official mozilla addons website.

If you enable the Light(GTK) theme and the fonts appear to lack anti-aliasing, modify `~/.bashrc` as appropriate following the directions here.

## Tips and tricks

### Downloading files without creating a subdirectory

By default jdownloader will create a subdirectory for each file you download in your destination folder. To stop this behaviour go to Settings > Packagiser and untick the predefined rules as desired.

### Changing preferences for individual sites

Preferences for individual sites can be found by going to Settings > Plugins. For example, by changing settings on the youtube.com plugin you could tell jdownloader to only download the audio from YouTube links.

### Changing font scale

If font is too small, it can be enlarged by increasing scale factor: settings > advanced settings > LAFSettings.fontscalefactor jd forum.

### Cleaning up the UI

The graphical user interface can be adjusted to a bigger extent:

- Flashing of the update button can be disabled: change `GraphicalUserInterfaceSettings: Update Button Flashing` in the advanced preferences.
- The banner at the top can be disabled by changing `GraphicalUserInterfaceSettings: Banner`.
- Some warning icons can be removed when looking for `Premium Alert`.
- The Donate Tab can be disabled by setting `GraphicalUserInterfaceSettings: Donate Button State` to `Hidden (User Mode)`.
- Entries in the menu can be changed when visiting Settings > User Interface > Main Menu, same goes for the Right Click Menu

## Troubleshooting

### Application not resizing with WM, menus immediately closing

see Java#Gray window, applications not resizing with WM, menus immediately closing

### Using the system tray icon

Minimize to tray is broken on Linux. You will run in problems like a little stray window appearing. Disable the feature altogether just to not accidentally run into it. For that, just unplug the checkbox in the settings.

To use the tray, applications which put JDownloader into the tray can be used, namely kdockerAUR or alltray.

Both of them have a launcher, which would send an active application into the tray. The other way to start use them is to launch JDownloader (or any other programm) like that:

    $ kdocker -q -i /usr/share/icons/hicolor/22x22/apps/jdownloader.png -d 15 JDownloader

or

    $ alltray JDownloader

To use the command, you could:

- copy the desktop file to `/usr/local/share/applications/` and edit it.
- copy the desktop file to `~/config/autostart/` and edit it.
- or create `/usr/local/bin/JDownloader`

It should be noted though, that when the application restarts, which JDownloader does to install updates, it will not be managed anymore by kdocker / alltray.

## See also

List of applications/Internet#Download managers.

Category:

- Download utilities