100% Privacy Preserved
Your files never leave your computer. Processing happens entirely within your web browser using WebAssembly technology.
Unlock your PDFs Instantly
Secure, fast, and 100% free. Everything happens locally in your browser.
Click to select a PDF file
Lightning Fast
No upload wait times. Instantly remove passwords and download your unlocked PDF file.
Completely Free
No hidden costs, no premium tiers. Free to use for personal and business needs.
Frequently Asked Questions
- Is it safe to unlock my PDF here?
- Yes. Your PDF file never leaves your device. All decryption happens directly in your browser using WebAssembly – no data is sent to any server.
- What encryption types are supported?
- PDF Unlocker supports all standard PDF encryption methods including RC4-40bit, RC4-128bit, AES-128 and AES-256 (PDF 2.0).
- Do I need to install any software?
- No installation is needed. PDF Unlocker runs entirely in your web browser on any modern device – desktop, tablet, or mobile.
- Is there a file size limit?
- There is no hard limit. Since processing happens locally in your browser, the only constraint is your device's available memory.