Side by side

SysTools PDF Unlocker vs WinZip PDF Pro

Both stand on pdf editors. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

SysTools PDF Unlocker

Free plan MacWindows

SysTools PDF Unlocker focuses on offline PDF password and permission removal with batch support and broad encryption compatibility. The free edition is limited, and some protections remain outside its scope.

Visit SysTools PDF Unlocker

WinZip PDF Pro

Free plan Windows

WinZip PDF Pro offers a broad set of PDF editing and document-management tools, alongside a free reader for continued basic access. It is limited to Windows, and use of the paid features is restricted after the seven-day trial unless unlocked.

Visit WinZip PDF Pro

The facts

	SysTools PDF Unlocker	WinZip PDF Pro
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Mac, Windows	Windows
Lowest paid plan	See the plans	Free or on request
Plans published	9	2
Maker	SysTools PDF Unlocker	WinZip PDF Pro
Website	systoolsgroup.com	winzip.com
On pdf editors	#77 of 102	#73 of 102

SysTools PDF Unlocker: what it does well

Works offline on the user’s computer
Supports batch folder processing
Handles several RC4 and AES types
Available for Windows and macOS
Free version processes five PDFs

What to know first

Free saves include a SysTools watermark
Correct passwords are required for user protection
Some DRM protections are unsupported
Security changes may invalidate signatures

WinZip PDF Pro: what it does well

Edits text, images, links, and other PDF elements
Converts to and from Word, Excel, and image formats
Supports drawn, typed, or uploaded signatures
Works offline and compresses files locally
Free PDF reading remains available after trial

What to know first

Current version is Windows-only
Editing and other features lock after the 7-day trial
Listed minimums include 2 GB memory and 220 MB disk space

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