
New: v5! Edit PDFs easily with PDFpen! Add text, images and signatures. Make corrections. Fill out PDF forms. OCR scanned documents.
Features
With PDFpen, you can edit PDF files, including:

Add text, images and signatures to PDF

Correct text in original PDF with editable text blocks

Move, resize, copy and delete images in original PDF

Redact or erase text, including OCR text

Search and redact text; search and replace text

Adjust resolution, color depth and contrast in an image or scanned document

Scan directly from Image Capture or TWAIN scanners

Perform
OCR (Optical Character Recognition) on scanned documents

Insert and remove pages; re-order pages in a PDF by drag & drop; combine PDFs

Fill out interactive PDF forms

Copy and paste rich text; retain fonts and formatting when copying from PDFs

Select and copy text across multiple columns

Add (and print) notes and comments

Mark up documents with highlighting, underscoring and strikethrough

Save frequently-used images, signatures, objects and text in the Library

Save PDFs directly to
Evernote 
Automate PDF manipulations with AppleScript