How to Open a Password Protected PDF File

I’m sure most of us have dealt with PDF (Portable Document Format) files. These files are quite common and are opened using Adobe Reader. Well, today I’m going to share with you a trick. I’m not sure if you are already aware of it though.

This trick will allow you to open a password protected PDF file without entering the password. It’s pretty easy to encrypt a PDF file so that no one can open it and edit it with the right password. At the same it’s also easy to open such an encrypted file. To open such a file all you need to do is send it as an attachment in Gmail to another mail. And once the receiver receives it, it should be opened as HTML file. Or you can also attach the attachment in your mail and open it as HTML without sending it to anyone. You’ll be able to view the entire document without actually entering the password. If you don’t know how to open a document in HTML mode then click here.

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9 comments for “How to Open a Password Protected PDF File”

  • Haha, nice trick. I’ve tried to open pdf files using GMail before but it’s just because I didn’t install a pdf reader on my computer. Didn’t know that GMail can do this. Thanks for the trick.

  • Asif

    Are you sure it works?

  • yea Phaoloo 😉
    Yeah Asif it works 🙂

  • Melvin James

    Funny, but does that work?!~
    I have no idea how to deal with password protected PDF, but I can remove the restrictions of copying or printing.
    The tips is to convert the protected PDF to Word using a pdf to word converter. AnyBizSoft supports this.
    It works.

  • That’s a nice one Melvin….
    thanks for the find

  • Ron

    Another great one to try is
    It will allow you to convert the PDf into an editable format, do the necessary changes and then you can convert it back to PDF.
    They have completely free version that does not expire.

  • happykaka

    PDF password Unlcoekr it decrypts password protected Adobe Acrobat PDF files, which have “owner” password set, preventing the file from editing(changing), printing, selecting text and graphics. Decryption is being done instantly. Decrypted file can be opened in any PDF viewer without any restrictions
    It is available at

  • biki

    not working…while password protected…

  • Company has brought up many prominent products for different PDF
    management requirements of users. PDF Unlocker, PDF Bates Numberer and
    PDF Recovery are the perfect examples. Among them, PDF Unlocker is widely used
    to remove restrictions from PDF files.

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