Come si fa a togliere la protezione da un file PDF?
To modify a protected PDF file without using the internet, follow these steps:
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Download and install the Smallpdf desktop application.
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Click on the "Open" button.
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Insert or drag a certain number of files into the box.
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To unlock, enter your password.
To start editing your file, click on "Open".
To convert an editable PDF to a non-editable one, follow these steps:
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In the current screen, find the "Password Protection" menu near the "Protection Methods" section.
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Select the "Limit Printing" checkbox.
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Edit the document and choose "None" for allowed changes.
To write on a PDF on a computer without any costs, you can use Libreoffice Draw, which is included in the free LibreOffice suite. It is an ideal program for writing on any existing PDF and has similar features to commercial and professional software.
After opening the file, you can write on it by clicking on the "T" button on the top toolbar. Then, while holding down the left mouse button, create a selection in the document where you want to add your custom text.
Using the Google Drive app, you can fill out PDF forms on your Android device. To fill out a PDF, open the Google Drive app on your Android device. Enter the data into the PDF form by clicking on "Fill Form" at the bottom of the screen. Finally, click on "Save" in the top right corner.
One of the most popular PDF editors for Android devices is Xodo PDF. Not only is it a good app for editing PDF files, but it also has many other interesting features that you shouldn’t miss.
On the top toolbar, click on "Edit". Then, click on "Remove". Choose how to hide the material: "Stop" or "erase". Select the text segment you want to hide.
In the top left corner of the page, click on the lock icon. Click on the link next to "Permission Details". Select "No Protection" from the "Protection Method" dropdown menu. Before clicking the OK button, enter the unlock password.
Open the PDF with Adobe Reader to highlight the text. On the toolbar, choose "View". Select the toolbars from the dropdown menu and then choose "More Tools". In the "Comments and Annotations" section, click on the "Highlight Text" button.
Click on "Review" and choose to limit editing. Under "Restrict Editing", select "Allow only this type of changes in the document" and make sure the "No changes" (read-only) option is displayed in the list. Click "Yes" to activate the protection.