2023年10月30日 — Step 1 Go to the Smallpdf Website · Step 2 Access the Protect PDF Tool · Step 3 Choose Your PDF document · Step 4 Set a Password · Step 5 Save the ...
2022年4月11日 — Upload your PDF file to our Protect PDF tool. · Enter the password you want to use. · Click “Encrypt PDF” and let the tool work its magic!
2021年6月2日 — How to Add Password to PDF · First, head over to our Protect PDF tool. · Choose your file, or drag and drop it into the field. · Input your top- ...
2023年6月5日 — How to Password Protect a PDF Document · Go to the Password Protect PDF tool. · Drag and drop your PDF into the toolbox. · Type the password you ...
2021年6月17日 — On our tools page, go to Protect PDF. · Select your PDF that needs protecting. · Choose your password, and re-enter it a second time. (Just to be ...
Protect your PDF files online by adding a password that will prevent people from being able to copy or print your PDF document. Secure PDF files for free.
2023年12月20日 — Like SmallPDF, PDF2Go allows you to protect the PDF from being opened without a password; however, it also allows you to lock the PDF for ...