Preview Help

Welcome to Preview

View and annotate PDFs, fill out and sign forms, and edit images. When you’re done, share your file, export a password-protected PDF, or export images in a variety of file types.

A PDF in Preview.
The signature tool in Preview.

Fill out and sign forms right on your Mac

You don’t need to print out PDF forms. Just open the document in Preview, click the Show Markup Toolbar button , and use the Markup tools to fill in the form. Then click the Sign button to create and add your signature electronically.

A password-protected PDF.

Protect your confidential documents

If a PDF contains sensitive information, you can keep it secure by adding a password. Choose File > Export, select Encrypt, and type a password.

A page thumbnail from one PDF to the sidebar of another.

Combine PDF documents

Manage lots of PDFs? Easily combine them so you can keep track of just one document. Open a PDF in Preview, then drag another PDF file from the Finder to the sidebar of the Preview window. Only need a few pages? Drag the page thumbnails from one PDF to the sidebar of another.

The Export options in Preview.

Convert image files to a variety of file types

Preview supports a large set of image file types, including JPEG, PNG, PSD, and TIFF. If you receive a photo that you can’t open in your photo editing app, or need to convert an image to a different format, choose File > Export, click the Format pop-up menu, and choose a file type.