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Preview impresses people as a PDF reader and image viewer. You can also edit PDFs and images in a basic way, and convert from one to the other.

PDF Reader

  • Open PDFs
  • Drag PDFs to the Dock to open
  • Open Records
  • Thumbnails display in sidebar
  • Select Text
  • View the properties
  • Check spelling and grammar
  • Zoom in and out
  • Search
  • Screenshot
  • Slideshow



  • Draw an Oval or Rectangle
  • Change line color, thickness and style
  • Add a link
  • Add a note
  • Highlight, strikethrough or underline text
  • Fill PDF forms: If you need to fill out information in a PDF form, choose Text Tool from the Tools menu.

Highlighted Features
Merge & Split PDF

Merge and Split PDFs

  • Merge: Open pdf 1 with Preview -> Drag and drop pdf 2 on desktop into the sidebar -> Select pdf 1 and pdf 2 -> Print Selected Page -> Save as pdf. Follow these steps, and pdf 1 and 2 are merged into one.
  • Split: The steps to split a pdf are just the opposite way follows similar concept, in an opposite way. You Select the pages you want, Print those pages and save them as a pdf file (pdf 1). Simply delete those pages from the original pdf and print the remaining pages (pdf 2). Or you just drag and drop pages to make that.

Edit Pages

  • Rearrange: Drag up and down to reorder pages
  • Delete pages
  • Add Blank Pages

View and Edit Images

View and Edit Images

  • Open images
  • Crop images
  • Adjust images: Exposure, White Point, Black Point, Saturation, Contrast, Brightness, Sharpness, and other
  • Resize an image
  • Annotate images: Add Arrow, Add Oval, Add Rectangle, Add text
  • View Slideshow

Create PDF and Output Other Formats

  • Create PDF from images, web pages
  • Encrypted PDFs (with open password)
  • Images
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