JDownloader
Encyclopedia
JDownloader is a download manager
Download manager
A download manager is a computer program dedicated to the task of downloading possibly unrelated stand-alone files from the Internet for storage...

, written in Java
Java (programming language)
Java is a programming language originally developed by James Gosling at Sun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities...

, which allows the automatic downloading of files and split files from one-click hosting sites such as Rapidshare
RapidShare
RapidShare is a one-click hosting service that offers both free and commercial services. Operating from Switzerland, it is financed by the subscriptions of paying users...

 and Megaupload
Megaupload
Megaupload is an online Hong Kong-based company established in 2005 for the use of uploading and downloading files. It includes a video browsing section in the site Megavideo, MegaLive, MegaPix and Megabox as well as a sister company called Megaporn which hosts user uploaded pornographic content...

. JDownloader supports the use of premium accounts. Certain parts of JDownloader are open source
Open source
The term open source describes practices in production and development that promote access to the end product's source materials. Some consider open source a philosophy, others consider it a pragmatic methodology...

.

JDownloader is better known in Spain and other Spanish-speaking countries. the program's website is in the top 1000 sites by traffic from Spain. The German online magazine, Chip.de designated it "newcomer of the year" for 2009 after it ranked among top 50 downloads with over half a million downloads for the year.

License

Contrary to the license some source files are not publicly available. The developers stated that the license may change—the program will remain open source, but will get a license which allows closed source parts.

Features

Official features:
  • Platform independent. (Microsoft Windows
    Microsoft Windows
    Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

    , Linux
    Linux
    Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. The defining component of any Linux system is the Linux kernel, an operating system kernel first released October 5, 1991 by Linus Torvalds...

    , Mac
    Macintosh
    The Macintosh , or Mac, is a series of several lines of personal computers designed, developed, and marketed by Apple Inc. The first Macintosh was introduced by Apple's then-chairman Steve Jobs on January 24, 1984; it was the first commercially successful personal computer to feature a mouse and a...

    , ..); runs on Java
    Java (programming language)
    Java is a programming language originally developed by James Gosling at Sun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities...

     1.5 or higher
  • 24-hour support
  • Download several files in parallel
  • Download with multiple connections
  • Can automatically solve some CAPTCHA
    CAPTCHA
    A CAPTCHA is a type of challenge-response test used in computing as an attempt to ensure that the response is generated by a person. The process usually involves one computer asking a user to complete a simple test which the computer is able to generate and grade...

    s with its own OCR
    Optical character recognition
    Optical character recognition, usually abbreviated to OCR, is the mechanical or electronic translation of scanned images of handwritten, typewritten or printed text into machine-encoded text. It is widely used to convert books and documents into electronic files, to computerize a record-keeping...

     module (JAntiCaptcha)
  • Automatic extractor (including password list search) (RAR archives)
  • Decrypt RSDF, CCF and DLC Container files
  • About 300 decrypt plugins for many services. e.g. sj.org, UCMS, WordPress, RLSLog….
  • Supports about 110 one-click hosters
  • YouTube, Vimeo, clipfish video and Mp3 Download
  • Can automatically acquire a new IP address to save waiting time (1400 routers supported)
  • Web update
  • Integrated package manager for additional modules (e.g. Web interface, Shutdown)
  • Theme Support
  • Multilingual


The user specified download links are split into packages to enable individual pausing and continuing of downloads. The program can also be configured to unpack split RAR archives automatically after download.

JDownloader supports the RapidShare "waiting time" and CAPTCHA
CAPTCHA
A CAPTCHA is a type of challenge-response test used in computing as an attempt to ensure that the response is generated by a person. The process usually involves one computer asking a user to complete a simple test which the computer is able to generate and grade...

 recognition, enabling batch downloads without user input. Premium users of one-click-host sites have the added advantage of using multiple connections per downloaded file, which accelerates the download in most cases. It also supports Metalink
Metalink
Metalink is a cross-platform and cross-application Internet standard/framework/file format for programs that download, including download managers, BitTorrent clients, Web browsers, FTP clients, and P2P programs...

, a format for listing multiple mirrors. Software updates and minor patches are released frequently, and by default JDownloader will update itself upon initialization.

Support of common one-click hosters

The following table shows Jdownloader usability with different free file hosting services.

If "CAPTCHA recognition" is supported in the table below, then JDownloader is able to solve the site's CAPTCHAs and will automatically start downloading the file without user input. If "Resumable" is supported, then an interrupted file download can be resumed without user input. Resumable is preferable if the files size is larger, whereas CAPTCHA recognition is desired if there are many small files in the batch.
Host Resumable CAPTCHA recognition Wait Time
bitshare.com 45s
MediaFire
MediaFire
MediaFire is a free file and image hosting web site that started in 2006 and is located in Harris County, Texas, United States. The domain mediafire.com attracted almost 60 million visitors annually by 2008 according to a Compete.com study.- Features :...

 
no delay
depositfiles.com -
Megashares.com 2hs
easy-share.com 20s
FileServe
FileServe
FileServe is an online file hosting service.Fileserve, together with another file hosting service site Megaupload, have terminated their services for Hong Kong by blocking IP addresses from accessing their websites and files....

 
10m
Filesonic.com 20s
letitbit.net -
Megaupload
Megaupload
Megaupload is an online Hong Kong-based company established in 2005 for the use of uploading and downloading files. It includes a video browsing section in the site Megavideo, MegaLive, MegaPix and Megabox as well as a sister company called Megaporn which hosts user uploaded pornographic content...

 
- 45s
netload.in 55m
oron.com 1m
RapidShare
RapidShare
RapidShare is a one-click hosting service that offers both free and commercial services. Operating from Switzerland, it is financed by the subscriptions of paying users...

- -
turboshare.com 1m
ugotfile.com -
uploadbox.com -
uploaded.to or ul.to -
uploading.com -
uploadstation.com 20s
wupload.com 20s
yourfilehost.com 0
ziddu.com 0

Further reading

JDownloader: One-Click-Hoster für jedermann, gulli.com, 2009-08-29, (interview with one of the developers) JDownloader: un Ares para Rapidshare, El Diario del Centro del País, 12 Feb 2009 Descargas cómodas en RapidShare o Megaupload, PC Actual, issue 214, 3 Mar 2009

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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