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The primary goal of GuaPDF is to - remove restrictions on any PDF document (you should have the right to do it, for example, if you forgot the password). Any Acrobat version up to XI is supported, even with 256-bit AES or 128-bit RC4 encryption. PDF permission password removal is an instant process. Decrypted file can be opened in any PDF viewer without any restrictions so you may edit/copy/print them. GuaPDF can be also used for; - remove PDF open password. The decryption of the file with a password for opening is guaranteed for PDF files with a 40-bit key only (Acrobat 3, 4 compatible encryption). This process takes several days on one home computer.

The primary goal of GuaPDF is to - remove restrictions on any PDF document (you should have the right to do it, for example, if you forgot the password). Any Acrobat version up to XI is supported, even with 256-bit AES or 128-bit RC4 encryption. PDF permission password removal is an instant process. Decrypted file can be opened in any PDF viewer without any restrictions so you may edit/copy/print them. GuaPDF can be also used for; - remove PDF open password. The decryption of the file with a password for opening is guaranteed for PDF files with a 40-bit key only (Acrobat 3, 4 compatible encryption). This process takes several days on one home computer.

This is a utility to decrypt Excel 97/2000 files with password for opening. Do not use it for decryption Excel version before 97 (8.0) or French Excel (any version). Any file, encrypted with ANY password (no matter how long the password is, what charset and national symbols used) can be decrypted with a guarantee. It will take about one week on average (15 days maximum) using one Pentium 4/1600. To speed up, a simple distributed computing mechanism using several computers is included. This is a command-line utility.

This is a utility to decrypt Excel 97/2000 files with password for opening. Do not use it for decryption Excel version before 97 (8.0) or French Excel (any version). Any file, encrypted with ANY password (no matter how long the password is, what charset and national symbols used) can be decrypted with a guarantee. It will take about one week on average (15 days maximum) using one Pentium 4/1600. To speed up, a simple distributed computing mechanism using several computers is included. This is a command-line utility.

This is a utility to decrypt Excel 97/2000 files with password for opening. Do not use it for decryption Excel version before 97 (8.0) or French Excel (any version). Any file, encrypted with ANY password (no matter how long the password is, what charset and national symbols used) can be decrypted with a guarantee. It will take about one week on average (15 days maximum) using one Pentium 4/1600. To speed up, a simple distributed computing mechanism using several computers is included. This is a command-line utility.