Unlock a PDF — Remove the Password
Remove the password or the print and copy restrictions from PDFs you own. Restrictions come off with no password; a file that needs one asks for it. All in your browser, nothing uploaded.
In short: drop one PDF or several and press Unlock. If a file only carries restrictions — no printing, no copying — they come off with no password at all. If it needs a password to open, you are asked for it, and the encryption is removed. It runs on your device, so neither the file nor the password is sent anywhere. It does not guess or crack passwords, and nothing can.
- Can it open a PDF I do not have the password for?
- No. Nothing can, and any tool claiming to is either lying or attacking your file for days. Encryption that could be undone without the password would not be encryption.
- Then what does it actually do?
- Two things. It strips restrictions — no-print, no-copy — which need no password because the file was never encrypted. And it removes real encryption from a file once you supply the password you already have.
- Why do restrictions come off without a password?
- Because they were never protection. They are flags asking readers to behave, on a document that is stored unencrypted — and readers are free to ignore them.
- Is my file or password uploaded?
- No. It runs in your browser. For a tool people bring confidential and legal documents to, that is the point rather than a feature.
- Is there a task or size limit?
- No. Sejda allows 3 tasks an hour and 50 MB on its free tier, Smallpdf 2 tasks a day. There is no server here, so there is nothing to meter.
- Is it legal to do this?
- It depends on the document and where you are. Removing restrictions from something you own or are licensed to use is ordinary; doing it to someone else’s work to get round their terms is not. The tool cannot tell which, so the judgement is yours.
How to Unlock a PDF
Drop one or several onto the tool, or click to browse. Nothing is uploaded.
A PDF that opens normally but blocks printing or copying needs none.
The encryption and the permission flags are removed on your device.
Save a normal PDF that opens and prints anywhere.
Features
Restrictions off
No password needed for print, copy or edit limits.
Open passwords
Asked for only when a file needs one.
Several at once
One ZIP, each file reported.
Every scheme
RC4, AES-128 and AES-256, by real qpdf.
Nothing else changes
Pages, text and forms stay as they were.
Nothing uploaded
The file and the password stay on your device.
Two kinds of locked, and only one needs a password
"Locked" means two entirely different things, and which one you have decides whether this page can help at all. You can tell them apart in a second: open the PDF.
It opens, but you cannot print or copy
This is an owner password, also called permissions or restrictions. The document is not encrypted in any meaningful sense — it is stored readable, with flags attached asking the reader software not to allow printing, copying or editing. Readers are free to ignore those flags and plenty do.
This page removes them, and needs no password to do it, because there is nothing to decrypt. That is not a clever trick; it is the honest description of what those flags are worth. This is the common case, and it works.
It asks for a password before it will open
This is a user password, and the content really is encrypted. Type the password you have and the encryption is removed permanently, so the file opens freely afterwards. Without the password, nothing here or anywhere will open it.
What this cannot do, and what nothing else can either
A page called "Unlock PDF" attracts people hoping for something it cannot do, so it is worth being blunt: this does not recover, guess or crack passwords, and neither does anything else you will find in a browser tab.
Modern PDF encryption derives its key from the password using a deliberately slow function. There is no flaw to exploit and no master key — the only approach is to try passwords one at a time, which for anything but a trivially short password takes impractically long even with dedicated hardware. A web page doing it in seconds is not possible, and any site advertising it is either quietly failing, uploading your document to somewhere you cannot see, or both.
If the password is genuinely lost, the realistic options are: ask whoever created the file; look for an earlier unencrypted draft; check whether your password manager or your browser saved it; or, for a document you own and a password you half-remember, a desktop recovery tool that tries variations of what you can recall. None of those is this page.
When it is fine, and when it is not
The tool cannot tell whose document it is looking at, so the judgement is yours. Worth thinking about for thirty seconds before you press the button.
Ordinary and uncontroversial: your own scans and exports; a document your employer or client sent you to work with; a form you need to fill in that was locked by accident; a report you have bought and want to read on a device whose reader honours the no-print flag; making a document accessible to a screen reader that the restrictions block.
Not: stripping restrictions from a purchased ebook or a paid report in order to redistribute it; getting round a licence you agreed to; anything you would not explain comfortably to the person who produced the file. In several jurisdictions circumventing a technical protection measure is an offence separate from copying, so "it was easy" is not a defence.
Accessibility is worth naming as the good case it is. A no-copy flag also blocks the text extraction a screen reader needs, so a restriction added for one reason routinely makes a document unusable for someone it was never aimed at. Removing it there is the right thing to do.
Capabilities at a glance
What this tool does and does not do, stated plainly. The “No” rows are the point, not an omission.
| Capability | Supported | Detail |
|---|---|---|
| What it removes | ||
| Print, copy and edit restrictions | Yes | No password needed — the file already opens for anyone; the restrictions are only flags. |
| An open password you supply | Yes | Asked for only when a file needs it; the encryption is then removed for good. |
| AES-256, AES-128 and RC4 encryption | Yes | Real qpdf, so every scheme the PDF format defines. |
| An open password you do NOT have | No | Nothing can. See below — this is not a limitation of the tool. |
| Guessing or brute-forcing a password | No | Not attempted, not offered. |
| Removing a digital signature | No | A signature is evidence, not a lock. |
| Input | ||
| Any PDF | Yes | Encrypted, restricted, or neither. |
| File size limit | No | There is no server to protect. Sejda caps the free tier at 50 MB and 50 pages; iLovePDF at 25 MB. |
| Task limit | No | Smallpdf allows 2 free tasks a day, Sejda 3 an hour. There is nothing to meter here. |
| Several PDFs at once | Yes | One ZIP; each file is asked for its own password only if it needs one. |
| Output | ||
| A normal, unencrypted PDF | Yes | Opens and prints anywhere, with no password. |
| A report of what was removed | Yes | Per file: password removed, restrictions removed, or not protected at all. |
| Pages, text and forms unchanged | Yes | Only the encryption layer is removed. |
| The original left untouched | Yes | The result is a new download. |
| Watermark | No | Nothing is added to the pages. |
| How it runs | ||
| Nothing is uploaded | Yes | Neither the document nor the password leaves your device. |
| Signup | No | There is no account. |
| Offline use | No | The page and the ~1.3 MB engine load from the network first. |