The signature tool in Preview.

Fill out and sign forms—no printer needed

You can use Preview to fill out PDF forms and even add a signature.

How to fill out PDF forms

A password-protected PDF.

Protect your confidential documents

If a PDF contains sensitive information, you can keep it secure by adding a password.

How to password-protect a PDF

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

Combine PDF documents

Easily combine PDF documents and transfer pages from one PDF to another.

How to combine PDFs

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. When you receive a photo that you can’t open in your photo editing app, you may be able to convert it to a file type you can use.

How to convert graphics file types

To explore the Preview User Guide, click Table of Contents at the top of the page, or enter a word or phrase in the search field.

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