Unlock PDF — Remove Password from PDF Files Online
Free online PDF unlocker to remove password protection from your PDF files. Enter the document password to decrypt and download an unprotected copy instantly. Unlock secured PDFs for editing, printing, or viewing — 100% client-side, files never uploaded.
You must own or have permission to unlock this PDF. Only use this tool on PDFs you own or are authorized to decrypt. Bypassing protection on others' documents may violate copyright law.
100% client-side. Your PDF and password never leave your browser — everything runs locally using pdf-lib.
How it works
Upload your password-protected PDF
Enter the correct user or owner password
The tool decrypts and re-saves the PDF without any password
Download the unlocked copy
Drop a protected PDF here
or click to browse
What this tool can do
Remove password when you know it
Strip permission restrictions
RC4-40, RC4-128 encrypted PDFs
AES-128, AES-256 encrypted PDFs
Owner-only protected PDFs
What it cannot do
Crack or guess unknown passwords
Bypass unknown owner passwords
Recover lost or forgotten passwords
Break AES-256 brute-force
How to Use Unlock PDF
Upload a protected PDF
Drop or upload the password-protected PDF file you want to unlock.
Enter the password
Type the correct user or owner password. The tool will verify it when possible.
Review encryption details
Check the algorithm, key length, and file ID to understand the protection type.
Download unlocked PDF
Click 'Unlock & Download PDF' to get a password-free copy — all decryption happens in your browser.
Frequently Asked Questions
RC4-40, RC4-128, AES-128, and AES-256 encrypted PDFs are all supported. Live password verification works for RC4; AES PDFs require trying the unlock directly.
No. You must enter the correct password to unlock the PDF. This tool cannot crack, brute-force, or recover forgotten passwords.
A user password lets you open the document. An owner password also strips permission restrictions. Either one can unlock the PDF.
No. Everything runs client-side using pdf-lib. Your PDF and password never leave your browser.
If the PDF has no user password but has owner-only protection, you can strip permission restrictions without entering a password.
Try an Example
Sample file
protected_report.pdf
1 file · RC4-128 encrypted → unlocked PDF
Password-free PDF ready for editing
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