Removing hidden information

A PDF holds information that is not visible on the page: the author's name, which program made the document and when, comments, attached files. Anyone who receives the file can read these. This tool first shows what the document contains, then deletes what you choose. The pages look the same. It is free.

1. 1In Tools tap "Remove hidden info" and choose the document. scans it and lists what it found (Author, Created with, Created, Comments and notes…).
2. 2Choose what to delete: Delete document info, Flatten forms (filled-in values stay on the page, fields can no longer be edited), Delete comments and notes, Delete attachments and scripts.
3. 3Tap "Clean". The result becomes a new document with the "(clean)" suffix; the original stays as it is.