Whether you need to link to an external website, a different page within your document, or an email address, you don't need expensive software like Adobe Acrobat. Free web-based tools make it easy to "vinculear" (link) your PDFs quickly. 1. Why Use 123apps for PDF Tasks?
For absolute privacy, use offline software like PDFsam (PDF Split and Merge) Basic or LibreOffice Draw , which work without an internet connection.
If you have been searching for the term you are likely trying to do one of two things: