Today I am going to introduce a free download manager, JDownloader. One year or two ago I started using this software once I need something that has been stored online. I found it on a forum, where people always exchange software information. The Java written open source software allows the automatic download of files and split files from one-click hosting sites, such as Rapidshare, Megaupload, Hotfile, and depositfiles, etc. Recently, I found a new use of JDownloader. As we know, Google has a service Google books, with which people could search and preview the full text of books online. To protect the copyrights, Google does not allow copy and store the contents of the books, even you cannot read all the contents of the books. If you tried, you would find that each time if you read the same book, the pages you could read are different. Ten days ago (Aug. 29th, 2010), I found a book in the service, and occasionally copy the link into JDownloader. To my surprise, the download manager fetched some pages of the book from the web. But, the speed is very slow. Within the ten days, only 17 pages have been downloaded into my computer. Technically the software could do this job, since the speed may disappoint you. Is this a bug? Possibly. I am not trying to teach people how to crack the service and grab the books with free. If someone from Google read this post, would you please send me some money for this finding? 🙂

Update 1:

The pages on Google Books could be downloaded by JDownloader any more I guess, because the response seems to be different from before. 😦

Update 2:

A couple of hours ago, I found another way to download books from Google Books. I installed Maxthon1, a China-based freeware web browser for Microsoft windows. Then, I downloaded a plugin, ViewPage2, which can analyze the webpage, including the pictures. Each page of the books could be recognized as a picture by the software. Till now, I have downloaded 48 pages, 31 pages more than before. I guess if I wanted to download more, I had to change a computer or IP address. Hopefully that will work for me.

1. Downloading the e-books from Google Books Using Maxthon (Chinese).

2. Instruction to ViewPage, a Plug-in of Maxthon (Chinese).


3 Responses to JDownloader

  1. Pingback: Web Browsers « Zinan Li's Blog

  2. zxss says:

    boom chica wowow

  3. weighty says:

    gonna send this to my mom

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