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JDownloader

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JDownloader
Developer(s)JDownloader Team
Preview release
0.9.581 / 19 January 2011; 13 years ago (2011-01-19)
Repository
Written inJava
Operating systemMicrosoft Windows, Linux, Mac OS
PlatformJava Platform, Standard Edition
TypeDownload manager
LicenseMostly GNU General Public License but partly closed-source
Websitewww.jdownloader.org

JDownloader is a download manager, written in Java, which allows the automatic downloading of files and split files from one-click hosting sites such as RapidShare. JDownloader supports the use of premium accounts.[1] Certain parts of JDownloader are open source.

JDownloader is better known in Spain and other Spanish-speaking countries. As of December 2009 the program's website is in the top 1000 sites by traffic from Spain.[2] 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.[3]

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.[4]

Features

Official features:[5]

  • Platform independent. (Microsoft Windows, Linux, Mac, etc.); runs on Java 1.5 or higher
  • 24-hour support
  • Download several files in parallel
  • Download with multiple connections
  • Can automatically solve some CAPTCHAs with its own OCR 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 recognition, enabling batch downloads without user input.[6] 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, a format for listing multiple mirrors. Software updates and minor patches are released frequently, and by default JDownloader will update itself upon initialization.

Bugs, shortcomings and problems

Note the following concerns JDownloader -last09- Version 0.9.581:

While JDownloader is widely known for its advanced features, there are a few bugs, shortcomings and problems that persist at the more basic level:

  • While in the Linkgrabber tab, if multiple packages are queued up and the "Save to" field of the packages are changed. The files are not downloaded into their proper directories. Often multiple downloading packages will have the same "Save to" directory, even though they were allocated differently before being downloaded. And many will be downloaded into the wrong directories.[7]
  • The user can change the "Save to" directory during downloading, however, doing so can result in errors where:
  • One part of the file is at the original download directory and another at the new directory, thus corrupting the download.
  • Or, download still continues in the original directory, but upon completion the link points to the new directory where the file does not exist. Thus the user must manually transfer the file into its correct directory.
  • Or, in the case of download reset after "Save to" directory is changed, the .part file in the old directory is not cleaned up and remains there taking up space.
  • JDownloader does not remember whether the user chose to extract their archives or not and every download has its "Extract" checkbox checked as default.
  • JDownloader does not have the ability to let the user rename files before downloading. All files must be downloaded with their original names and then manually renamed. Although it does ask the user what to do if a file with the same name exists, but at the most it just adds a number or overwrites the existing file. In other words, users don't have the freedom to choose by what name the file can be saved, as freely as other download managers do.[8]
  • JDownloader causes some Adobe products, like Photoshop, to crash.[9]
  • Properly updated manual on the current version does not exist in all available languages, thus users must search extensively and glean information from forums rather than the manual as they should.

References

  1. ^ "JDownloader official documentation" (in English). 2008-01-18. Retrieved 2009-12-10.{{cite web}}: CS1 maint: unrecognized language (link)
  2. ^ "jdownloader.org". Alexa. 2009. Retrieved 2009-12-25.
  3. ^ Template:De icon Michael Humpa (02 January 2010), Download-Charts 2009, 50. Platz: JDownloader 588.896 Downloads Chip.de
  4. ^ "JDownloader is Open Source? - I do not think so!" (in German). 2008-09-27. Retrieved 2009-03-03.{{cite web}}: CS1 maint: unrecognized language (link)
  5. ^ "Jdownloader official documentation" (in English). 2009-10-12. Retrieved 2009-12-10.{{cite web}}: CS1 maint: unrecognized language (link)
  6. ^ "JDownloader official documentation" (in English). jdownloader.org. 2008-09-28. Retrieved 2008-12-10.{{cite web}}: CS1 maint: unrecognized language (link)
  7. ^ http://bolt.cd/board/uploader-downloader-support/581652-jdownloader-save-directory-question.html
  8. ^ http://svn.jdownloader.org/issues/2307
  9. ^ http://bolt.cd/board/computer-internet-support/302932-photoshop-cs2-3-4-jdownloader.html

Further reading

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