With Free PDF Metadata Editor 4dots you can batch edit PDF metadata, of many PDF documents,i.e. set metadata such as author, title, subject and keywords e.t.c., with a single mouse click. You can also batch set unlimited user-defined custom PDF metadata. Free PDF Metadata Editor can find and replace metadata values also with regular expressions and wildcards. You can also batch remove metadata from pdf file, batch update pdf metadata, change pdf author, change pdf metadata creation date e.t.c. It also supports metadata cleanup. It is absolutely free, very easy to use and also multilingual.Easily you can select and batch set the metadata of whole folders and their subfolders with PDF documents.Drag and drop supported.
What's New in Version 3.0:
Find and replace metadata values
Find and replace metadata values with Regular Expressions
Find and replace metadata values with Wildcards
Insert current metadata value as special item
Clear all metadata option
What's New in Version 2.4:
Keep folder structure
Import List from file with various encodings.
Fixed bug : File can now be opened with the "Open With" context menu option of Windows Explorer.
What's New in Version 2.3 :
Insert special metadata values such as filename, directory path e.t.c. also for main metadata properties Title, Subject, Author, Keywords, Creator.