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PDF is undoubtedly one of the most popular formats to be used in enterprise environments. Since this means you need to make sure your documents are always safe and that their contents cannot be tampered with, you might occasionally need to encrypt or sign them. Secure-PDF can help you in both regards.

The main function of Secure-PDF is its encryptor - you first select a document by browsing to its location on your PC (you cannot use drag and drop for this operation).

You can start by assigning a password, and set the encryption strength and compatibility (Acrobat 6+, Acrobat 7+, Acrobat 9+ or Acrobat X+). You can restrict permissions, so that nobody else can edit the file, fill the forms, add annotations, insert, delete or rotate pages.

Other operations supported by Secure-PDF are sign and watermark. For the first one, you can modify the field description, choose the PFX file, the signature location and reason, as well as enter the contact information.

When watermarking your document, you can load the image file (BMP, PNG, JPEG, TIFF, or GIF), then select its position according to your preferences.

You can also rely on this utility to tinker with the owner information of a document, such as title, author, subject, keywords, creator and producer.

Secure-PDF is a useful solution that can assist you in completing several PDF-related tasks without requiring any expert skills.

The downside is that you can only process a single file at a time, so if you want to sign or watermark multiple documents simultaneously, you need to look for another application. When it comes to encrypting PDFs, it is best if you do not recycle your passwords, so it is actually a good thing that you can only secure individual files only.