How do I know if a PDF has changed metadata?

If you go to the document properties of a PDF file (control or command d), if the proper metadata is available, it will list the creation date and time and modified date and time. This can help you determine if a pdf file has been modified since creation.

How do I send PDF without metadata?

How to Anonymize Adobe PDFs

1. Open the PDF document.
2. Choose “Tools” and then select “Redact.”
3. Choose “Remove Hidden Information” and wait for the tool to finish running.
4. If any items appear in the Results, click “Remove.”
5. Save the file, note that identity information is not removed until the file is saved.

How do I remove metadata from Adobe PDF?

To remove metadata in individual files, you can also use the PDF Optimizer option in Adobe Acrobat. In Acrobat 9 Professional select Advanced > PDF Optimizer. In the window that pops up select the Discard User Data option to the left and enable the Discard document information and metadata checkbox to the right.

How do I remove properties from a PDF?

To edit a property, select it, change the Value, and then click Change. To delete a property, select it and click Delete.

How do you inspect a PDF document?

Inspecting your PDF document:

1. Choose Security > Inspect Document.
2. The sensitive/hidden content in your PDF will be highlighted and checked by category. You can uncheck those you don’t want to remove.
3. Click Remove to delete the content of the selected item(s).
4. Choose File > Save, to save the PDF.

Can you see who created a PDF?

How? First, right-click anywhere in the PDF and select Document Properties. Then check the details on the Description tab. In this example, the full title was listed (1), along with the correct authoring body at the time the document was created (2), and the date it was created (3).

How do I remove metadata from multiple pdfs?

Go to File > Save as Other > Optimized PDF…

1. From this screen, you can select all items (metadata) you want to be removed from the file.
2. In the “Settings” drop down menu select the “Custom” option.