Secure PDF files

Secure a PDF with a password

File view
Page view

Protect your PDF file Protect your PDF file

You can protect the file with a password or prevent printing or modifying a PDF file.

Advantages of protected PDF files Advantages of protected PDF files

You can protect the PDF file from unauthorized changes or prohibit the viewer printing. You can also prevent an unwanted opening of the PDF with a password.

Online PDF Editor Online PDF Editor

LemonPDF is a cloud-based online PDF editor. You can use it anywhere, anytime and completely free to edit your PDF.

Safe handling Safe handling

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Many file formats support Many file formats support

lemonPDF can convert numerous formats directly into a PDF. You can then edit it as you wish using the online PDF editor.

Compatible Compatible

You can drag images (jpg, png etc.), Word, Excel and Powerpoint files (docx, xlsx, pptx) directly into the uploader and convert them into a common PDF format.

Why Choose Our Free Online PDF Editor?

Protect your PDF file with a password

You can prevend persons to open your PDF, if they do not know the password.

Secure your PDF from unauthorized editing

Only people who know the password can remove the security setting on your PDF

Prevent unauthorized opening of your PDF file

Only people who know the password can open and read your secured PDF

How can I protect a PDF with a password?

How can I protect a PDF with a password?
  1. Upload PDF file with the uploader to be protected.
  2. With the PDF online editor you can now protect the PDF with a password.
  3. You can also protect the PDF from unauthorized editing or printout.
  4. Download the secured PDF file back onto your computer.

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List the pages you want to select.

For example: 1,2,6-7



Select the interval, that the pages should be splitted.

For example: 3 (for 3 pages per PDF file)