This is also compatible with any computer, including Windows and Chromebooks. If you may not want to use the Preview app, you may combine PDFs using a website. (If you’re using macOS Sierra or earlier, drag the thumbnails into the other PDF’s thumbnails.) Page thumbnails can be found on the sidebar. Select View > Thumbnails in each document. Here’s how to merge elements of one PDF with those from another: Choose Tools > Show Inspector, then click the lock symbol to check a PDF’s rights). Apple claims that some encrypted PDF documents can’t be combined.
The only downside about using the tool to password protect a pdf file is that it only works on Windows PCs. Select the thumbnail for the page where the other document will be inserted. On top of having the ability to password protect a pdf file, the computer program is capable of converting PDF files to other file formats, including HTML, JPG, DOCX, EPUB, etc.Select View > Thumbnails from the drop-down menu.