Remove password protection from a PDF
Upload a protected PDF, enter the correct password, and download an unlocked copy directly from your private Kukureku workspace.
Private
Files stay on your device
Fast
Built for quick results
Browser-based
No software installation
Simple
Upload, process, download
Select one protected PDF
Choose or drag the password-protected PDF you want to unlock.
Supported format: PDF ยท Maximum file size: 25 MB
You can also press Enter or Space to browse files.
Helpful tips
Get the best result
Use the correct password
The PDF cannot be unlocked unless the password entered matches the document password.
Use a valid protected PDF
Damaged files or documents using unsupported encryption may not be processed.
Keep the original file
Kukureku creates a separate unlocked copy and does not modify your original document.
Frequently asked
Common questions
Does Kukureku store my PDF password?+
No. The password is used only inside your browser while processing the selected PDF.
Why does unlocking fail with the correct password?+
The PDF may be damaged, use unsupported encryption, or contain restrictions that the current browser engine cannot process.
Can I unlock any PDF?+
Only unlock documents you own or are authorized to modify.
Keep working
Need another PDF tool?
Continue with another document task from the Kukureku PDF workspace.