The DocHub editor lets you quickly View PDF metadata in OS X. It’s easy to understand and requires no previous experience with similar editing tools. Simply upload your file, and DocHub will take care of the rest, providing you with things like:
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PDFs contain metadata like file names and modification history. You can easily modify metadata in apps like DocHub Pro, but there's a free way to change data using Sedja's PDF editor. Upload your PDF file to Sedja, edit fields like creation date, and add new fields by typing a label and value. For example, add an "artist" field by typing "artist" under name and the artist's name under value.