How to annotate secure PDF files free online?

Question:Anyone know a way to annotate secured PDF file? I have received some PDF files and I have to study them for homework. I want to annotate or highlight some areas of the PDF for studying. If there is some free online application that would be better. Is there a solution on VeryPDF?

Answer: When you need to annotate secured PDF free online, maybe you can have a free trial of VeryPDF cloud based application named VeryPDF Free Online Document Annotator. It can break owner password directly then you can annotate PDF free online easily. Meanwhile this software also can be used to annotate files like DOC, DOCX, XLS, XLSX, PPT, PPTX, HTM, HTML, TXT, RTF, GIF, JPEG, JPG, PNG, TIF, TIFF, Multipage TIFF documents. Please check more information of this software on homepage, in the following part, I will show you how to annotate secured PDF.

Step 1. Go to website of Free Online Document Annotator.

  • When you enter its website then you can find all the steps have been marked on the website. Simply following steps then you can upload secured PDF. Upload local PDF file to website by clicking Browser and then input the API code if you have. Last step is that click button Annotate Now.
  • I take a random secured PDF file for example, please check details from the below snapshot.

secure PDF

  • Please note this method only can be used to annotate owner password protected PDF file. When processing open password protected PDF file, you need to know the password and remove it then you can use this API to annotate secured PDF.

Step 2. Annotate PDF free online.

  • After clicking button Annotate Now, then you will enter another tab where you can annotate PDF file directly.
  • The following snapshot is from the annotator interface, please have a check.

annotate secure PDF

  • When annotate secured PDF, you can annotate or highlight some areas of the PDF for studying. Please click Highlight button then you will see highlight operations where you can choose highlight color. Simply click highlight color then choose the word that you need to highlight. The color of the text will be changed.
  • And when you need to annotate PDF file, please click Text button then you can find annotate text options like font size, font color and others.
  • Click Comment option, you can add comments at any place of the PDF file.

When annotate secured PDF by this API, the added PDF file will be shown like other normal PDF file. And this is cloud based application, you can annotate secured PDF by this API at any computer system free online. During the using, if you have any question, please contact us as soon as possible.

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