Suggest me one best PDF password remover. I already have the password which is 18 characters long containing only alphabets and numbers only, no special characters.
I have over 400 files for which the password has to be removed.

1. Well, I would suggest Ahead PDF Password Remover. It support batch decryption too, that means you can easily unlock multiple PDF files at once. Here is the link to the website: http://www.mypdfsolutions.com

   Hope it helps!

   • Hi guys, recommend to use pdf password security remover provided by AWinware, worked great for me. hope it help you too. follow the link:
     http://www.adobe.pdf-passwordremover.com/

2. I have used the AST pdf password remver,easy to use . http://download.cnet.com/AST-PDF-Password-Remover-for-Mac/3000-2092_4-75846512.html . Are there any other cheap password recovery or remover~~~

3. This link may help you http://free-software-store.blogspot.in/2012/12/pdf-password-remover-with-key-download.html

4. The legitimate ways to remove password from PDF is shown in the above articles. But if you wan to create secure password, you should try this technique. http://www.softreadwrite.com/1011/top-3-ways-to-create-secure-passwords.html

5. try PDF Unlocker

   • What do you like about it? Is it free? Do you have a link?

6. if it is a password to prevent you from opening it, the password is too long, i am afraid common user cannot remove or get the password. the best pdf password remover is advanced pdf password recovery from elcomsoft. i am an expert on pdf password recovery.

7. There’s a free Windows utility called BeCyPDFMetaEdit that can help you remove passwords from PDF files but without make any other change to the document.

   1. Launch the program and it will ask your for the location of the PDF file.

   2. Before you select and open the PDF, change the mode to “Complete Rewrite.”

   3. Switch to the Security tab and set the “Security System” to “No encryption.” Click the Save button and your PDF will no longer require a password to open.

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8. I made a mistake. Step 9 should read:

   '9. Click Finish and then clean up the data by removing all the columns and rows that don't contain your PDF file names.'

   Also in step 15, this comment system is not allowing the leaving a single back slash. I meant to show a path in Windows. I'll try double slashes. See below:

   C:Program Files (x86)PDF LabsPDFtk Serverbin

9. I'm not sure how good it is, but Free-PDF-Unlocker is freeware: http://download.cnet.com/Free-PDF-Unlocker/3000-2144_4-75793614.html. It does batch password cracking. If you tell it to use a dictionary attack in the settings, then include only your password in said dictionary maybe it will work.

   PDFTk, http://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/, is a command line app you can install with which you can make a batch script to decrypt the PDFs as follows:

   1. Open a command prompt.

   2. CD (change directory) to the directory with your PDF files.

   3. Enter in the command: Dir > mypdf.txt (you can change the name of the text file with any name).

   4. Open the created text file and select it all and copy.

   5. Paste the text file into a blank Excel worksheet starting in cell A1.

   6. Use the Excel suggested text to column prompt or select the column with all the text and select 'Text to Columns' from the Data menu of Excel.

   7. Use the 'Fixed Width' method of separating the columns.

   8. Move the right most arrow to the 39th character or just before all the file names.

   9. Click Finish and then clean up the data by removing all the columns and rows that contain your PDF file names.

   10. Make sure your PDF files name are in column A and no other data in in other columns. Make sure the PDF file name start in the first row.

   11. In cell B1 paste in this formula:

   ='pdftk ''&A1&'' input_pw foobar output 'decrypted_'&A1&''

   (where foopass is your 18 character password).

   12. Copy this formula down Column B until the last row of PDF file names.

   13. Copy the entire row of results and paste them into a blank text file and save it in the directory that contains all your PDF files.

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   14. Rename the text file with a .bat extension instead .txt.

   15. Open up in Explorer the folder: C:Program Files (x86)PDF LabsPDFtk Serverbin and copy the libiconv2.dll and pdftk.exe files. Paste them in your PDF directory.

   16. Double click on the new batch file you just created and see what happens.

   • I am not looking for free one

10. here are some freeware and online tools, hope they can help you.

    How To Unlock Adobe PDF Files
    //www.makeuseof.com/tag/how-to-unlock-adobe-pdf-files-2/

    Free PDF Unlocker 1.0.4
    http://www.brothersoft.com/free-pdf-unlocker-206381.html

    

    Free PDF Unlock Online Utility (Beta)
    http://www.ensode.net/pdf-crack.jsf

    FreemyPDf
    http://www.freemypdf.com/

    Appnimi PDF Unlocker
    http://www.appnimi.com/file/pdf-unlocker/#.UUhzwyzLS70