Free PDF Unlock — Remove Password From PDF Online
Tired of typing the password every time you open your own PDF? Upload it, enter the password you know, and download a clean unlocked copy. This only works when you know the password — it cannot crack or recover forgotten passwords. Everything runs in your browser; files never leave your device.
Unlock PDF (Remove Password)
Enter the password you know — get back a clean, unlocked PDF in seconds.
1 Add your locked PDF
2 Enter the known password
3 Unlock & download
✅ PDF unlocked
How it works
PDF encryption (AES) scrambles the document’s content with a key derived from your password. This tool loads the file with pdf-lib, passes your password to derive the same key, and — when it matches — decrypts every object in memory, then saves a brand-new PDF without calling encrypt(). The result is a standard, fully readable PDF with identical pages and no password prompt.
Why it can’t crack passwords: AES-256 with a proper password has no shortcut — trying every combination would take longer than the age of the universe. This tool only works because you supply the correct password. If a site claims to remove passwords without asking for them, it’s either working on the weak “owner restrictions” flag or it’s not legitimate.
Everyday uses
- Your own archives — strip the password off bank statements you password-protect for email, so your own filing is searchable.
- Team documents — remove a shared password from a file everyone already has, ending the “what’s the password again?” loop.
- E-books you own — unlock owner-restrictions (no-copy flags) on files you legitimately purchased, using the owner password.
- Merging workflows — unlock files first so merge/split tools can process them without prompts.
- Only with the password — this tool is for your own files; it will plainly tell you when the password is wrong.