PDF Hacks

PDF Hacks

Free Divide PDF Page Online-Another Google App Engine Application

Today, RubyPDF released another Google App Engine Application, Freely Divide PDF Page Online, also bases on iText.

the main feature is Split a PDF page to two half size Pdf Page, for example, Split a A3 Page to two A4 pages.

btw, RubyPDF also released desktop version before.

January 6, 2010 Posted by | Uncategorized | , , , , , , , | Leave a comment

How to download the big files through Google App Engine UrlFetch API Call

I offer the UrlFetch function in my PDF Password Remover Online application, but I do not want to let it only manipulate no more 1M PDF, after some study, I got the solution, let UrlFetch API download no more 1M data each time, but repeat many times until all data downloaded, of course, there still a limit, 30 second request limit.
For details, please visit

How to Use Google App Engine UrlFetch API to download the files over 1M

December 25, 2009 Posted by | Tutorials | , , , | Leave a comment

First PDF Password Remover application hosted on Google App Engine

RubyPDF Software released the First PDF Password Remover application hosted on Google App Engine, bases on iText(version 2.1.7, but with many modification). with it, you can easily remove the user password or owner password online, and it is free.

  • remove restrictions on any secured PDF document (you should have the right to do it, for example, if you forgot the password). Any Acrobat version up to 9 is supported, even with 128-bit AES or 128-bit RC4 encryption. PDF restrictions removal is an instant process. Unlocked file can be opened in any PDF viewer without any restrictions so you may edit/copy/print it.
  • remove the PDF open password. Decryption of the file with password for opening is guaranteed for PDF files Any Acrobat version up to 9 is supported, even with 128-bit AES or 128-bit RC4 encryption,but you must know the password first.

For details, please visit RubyPDF PDF Password Remover Online.

December 23, 2009 Posted by | PDF News, Software | , , , , , | Leave a comment