Protect a PDF file with a password

Protect your PDF file with a PDF password to prevent anyone from being able to open your document. This is a widely used feature of a PDF file, to allow only certain people to access the content of your PDF.

How can I protect a PDF with a password?

I've sometimes receive PDFs, which I had to enter a password before I could open it. Such a PDF password is a very handy thing. Can you tell me how I can protect a PDF with a password?

PDF 비밀번호 설정하기

On the right-hand side, simply download the 100% free PDF Software PDF24 and bring up the PDF you want to protect. Then simply click on "PDF Password" and enter any password, preferably one that is secure. If you want to open the file now, open the PDF reader as you normally would. This time it will ask you for a password before displaying the PDF document.

PDF24 창작자에 대해 더 알아보기

Tip: With a password you can put different permissions under protection. This will also prevent the file from being printed or text being copied without a password.

PDF 비밀번호 온라인 설정

PDF24는 또한 PDF 파일을 비밀번호로 보호할 수 있는 무료 온라인 툴을 제공합니다. 그저 PDF와 비밀번호를 선택하면 온라인 PDF 툴이 나머지를 다 해줄 것입니다. 어떠한 소프트웨어도 다운로드 할 필요가 없으며 이는 무료입니다. 툴을 그저 확인하기만 하세요.

비밀번호는 PDF를 온라인상에서 보호합니다

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