how to add fillable fields in pdf

 Use the big Convert button at the bottom of PDFMate PDF Converter to save the PDF with a password

Remove white margins Choose Tools > Print ProductionThe Print Production toolset is displayed in the right pane

Click Set Page BoxesThe Set Page Boxes dialog box is displayedUnder Margin Controls, select Remove White Margins

To remove white margins from more pages, set the page range or select All under Page RangeUndo cropping Cropping a PDF does not reduce file size because information is merely hidden, not discarded

By resetting the page size, you can restore the page and its content to its original condition

Open the Set Page Boxes dialog box by choosing Crop Pages from the Options menu in the Page Thumbnails panel of the navigation paneMultimedia Trust preferences (legacy) Acrobat and Reader play most multimedia files, such as audio or video, using the built-in media player

(For the supported file types, see Play multimedia) Multimedia content that requires additional resources to play, such as an external player or plug-in, is considered “legacy” multimedia content

You can control the use of external players or plug-ins in the Multimedia Trust (Legacy) preferencesMultimedia Trust (Legacy) (Acrobat and Reader 10