All types of PDFs are supported - from those sent to you, to files you convert to PDF using WinZip. Use WinZip Pro to sign PDF files straight from your computer.

You can now merge a wide variety of files and images into a single PDF in one easy step.

WinZip 25 Pro enables you to merge all your PDF files, even those generated by WinZip conversions. The documents you zip change all the time, and now you can keep all your zip files up to date with fewer clicks. Refresh the content of a Zip file to match the content of the original source folder. NEW! Update contents of a Zip file to match the source: Say goodbye to endless scrolling looking for photos - it's now easier than ever for you to store, manage, and share your most important memories. Use WinZip to automatically organize all your photos by year and month. Your files stay the same - but your Zipx files will be smaller than ever. WinZip 25 scans and excludes duplicate files, instead storing them as a link to save you space. You might not realize it, but your Zipx files often contain duplicate files, adding to the size of your zip file. NEW! More efficient file compression with duplicate file detection:

Winzip 25.0 download