PDF Unlocker

PDF Unlocker 1.0.4

Create a password-free copy of a PDF you already know the password for.

  • By YU-MING HSU
  • Open Source
  • Portable
  • Updated Aug 15, 2026
Download for Windows

About PDF Unlocker

For encrypted PDFs whose password you already know: pick the file, enter the password once,
and save an unlocked copy that opens without a password from then on.
The original encrypted file is left untouched. AES-encrypted PDFs are supported.
This is not a cracking tool — a wrong password simply fails; there is no guessing,
brute force, or bypass of any kind. Use it only on files you own and know the password to.

Technical details

PublisherYU-MING HSU
Version1.0.4
Release date2026-08-15
LicenseMIT
Installer typeportable
Architecturex64
Package IDYuMingHsu.PDFUnlocker
RequirementsWindows 10 or later

Install PDF Unlocker from the command line

Install with Windows Package Manager
winget install --id=YuMingHsu.PDFUnlocker -e
Update to the latest version
winget upgrade --id=YuMingHsu.PDFUnlocker -e
Uninstall
winget uninstall --id=YuMingHsu.PDFUnlocker -e

PDF Unlocker adds this command to the command line: pdfunlocker.

Install PDF Unlocker together with other apps in one command »

pdfpassworddecryptunlockutility

Frequently asked questions

Is PDF Unlocker free?

Yes. PDF Unlocker is free and open-source software released under the MIT license.

What is the latest version of PDF Unlocker?

The latest version is 1.0.4, released on Aug 15, 2026.

Is it safe to download PDF Unlocker?

The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 0f455986273131429a86272e076c6a403ce9c993fbbc14956c464a61ad281b61.

Which Windows versions does PDF Unlocker support?

PDF Unlocker requires Windows 10 or later and is available for 64-bit (x64) systems.

How do I uninstall PDF Unlocker?

Open Settings › Apps › Installed apps, find PDF Unlocker and select Uninstall. From the command line, run winget uninstall --id=YuMingHsu.PDFUnlocker -e.

Is there a portable version of PDF Unlocker?

Yes. PDF Unlocker is available as a portable program (PDFUnlocker.exe, 64-bit (x64)) that runs without installation. Copy it to any folder or USB drive and run it from there.