Open any locked PDF by entering its password. Download a copy that opens freely without future password prompts.
Part of our Unlock PDF Free suite
You have a locked PDF and you know the password. You just want to open it and save a copy that does not ask for the password next time. That is exactly what this tool does. Upload the locked PDF, enter the password, and download an unlocked version. No software installation, no cloud uploads, no account creation. The tool runs in your browser and handles the decryption locally using the Web Crypto API. It supports AES-256 locked files (the modern standard) and RC4 locked files (the legacy standard from older PDF software). The tool auto-detects which type of encryption was used and applies the correct decryption method. The resulting PDF is identical to the original in every way except that it no longer requires a password to open. All text, images, annotations, bookmarks, and form data are preserved exactly as they were.
Select or drag and drop the password-protected PDF file you want to unlock.
Type the user or owner password that was used to encrypt the PDF file.
Get a copy that opens freely without any password prompt. All content preserved.
Unlock frequently-accessed reference PDFs like spec sheets, policy documents, or manuals so they open instantly every time without a password dialog.
Unlock protected slides or handout PDFs before a presentation so they can be projected or distributed without password interruptions.
Unlock protected research papers or eBooks for easier annotation, highlighting, and note-taking in your preferred PDF reader.
Keep the locked original as your secure copy and the unlocked version for everyday use. Two copies with different access levels give you flexibility.
Before unlocking, make sure you are authorized to create an unprotected copy. Some documents have licensing terms that restrict decryption.
This tool works on desktops, laptops, tablets, and phones. Any device with a modern browser can open and unlock PDFs.
All processing happens locally in your browser. Your files never leave your device.
No uploads, no waiting for servers. Instant processing powered by your device.
No limits, no watermarks, no registration required. Free forever.
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