Prevent editing pdf file

Scan and Optimize. Mobile PDF. Protect PDFs. PDF Forms. Sign and Send PDFs. Print Production. PDF Standards. Acrobat DC. Acrobat XI. Acrobat X. Acrobat 9. Acrobat Reader. Download Feedback sent. Thank you for your vote. Edit a PDF file. Improve PDF files. Convert from PDF. Convert to PDF. Pricing Help. All the tools you need to be more productive. Protect PDF files by adding a password and encrypt it. Drop Files here Choose File.

Enter URL. Please try again later! Please enter the password with the correct permission. Start Add example file. Set password to open the document This password can be used to prevent unwanted access to the file. Enter open password. Repeat open password. Use the relevant Smallpdf converter to change it back to PDF. Type and retype your password. Click Apply. Select this only if you are the last person to digitally sign this document because it locks all of the fields in the document.

Click OK to sign the document. Click the Select a file button above or drag and drop a PDF into the drop zone. Enter a password, then retype it to confirm the password. Click Set password. Download the password protected PDF document, or sign in to share it. Step 9 To lock your form so that users can only fill out your form, click the Protection tab in the right side toolbar, then select Restrict Editing.

Enter the same password in both fields, then click the OK button to save the password.