How to rotate, crop, gray scale PDF pages as changing images?

Question

Can anybody tell me a proper tool to rotate, crop, gray scale PDF pages as changing images?

You can use A-PDF Filler (free download here) to rotate, crop, gray scale PDF pages as changing images:

Add PDF file: click "File->Add PDF file", the file pages will be listed as thumbnails;
Edit PDF: choose the icon to edit pages, you can rotate, crop, gray scale pages, and define font, size, align, color, etc.;
Save filled PDF: click the icon "Save as PDF", then your edited files will be output as a new PDF document.

This web tutorial will give you an overview of the procedure how easy to use this product!

A-PDF Watermark - Add image and text watermarks to a batch of Acrobat PDF documents
A-PDF Label - Batch add formatted dynamic Label fields (mailing label) such as Name, Address, City to custom PDF templates (such as in form letters, on envelopes, business card, name badge and so on) for printing, The Label fields lists information come from a spreadsheet in MS Excel file
A-PDF Scan Paper - Scan and organize paper in PDF format, use thumbnails and metadata to filter, secure, send scanned documents.

We always like improving our products based on your suggestions. Please send your feedback (or ask questions) to us in the contact page.