Protect PDF

Add a password so only people who know it can open the PDF.

Free · No app needed · Works in your phone browser

Your files are processed in this browser and never uploaded.

How to use Protect PDF

  1. Select your PDF.
  2. Type a password and choose what is allowed.
  3. Download the protected PDF.

Questions about Protect PDF

What if I forget the password?

It cannot be recovered. Keep a copy of the original or note the password somewhere safe.

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Unlock PDFRemove the password when you know it.Compress PDFForm sizeReduce file size, with 100 KB / 200 KB targets.Merge PDFCombine several PDFs into one, in any order.Split PDFSeparate pages or extract page ranges.