Choose the security task you need below — protect (add a password), unlock (remove a password you're authorized to remove), sign, or watermark — and the tool handles it entirely in your browser, free and without uploading your file.
Password protection
Signatures
Watermarking
A note on unlocking PDFs responsibly
Only remove a password from a PDF you own or are otherwise authorized to unlock — for example, a document you password-protected yourself and forgot the password to, or one you have explicit permission to access. Password protection exists to restrict access; removing it from a file you don't have rights to may be unlawful depending on your jurisdiction and the document's terms.
FAQs
1. Is a password added to my PDF strong enough for sensitive documents?
Standard PDF password protection (as used by these tools) deters casual access but is not equivalent to enterprise-grade encryption. For highly sensitive material, use it alongside other safeguards such as secure file-sharing channels.
2. Will signing a PDF here make it legally binding?
That depends on your jurisdiction and the context. A drawn or typed signature added via this tool is a basic e-signature; some legal or government processes require a more formal digital-signature certificate. Check your specific requirement before relying on it.
3. Can I remove a password from any PDF I find?
No — only unlock PDFs you own or have explicit permission to access. See the note above.
4. Is my PDF uploaded when I protect, sign, or watermark it?
No — these tools process your file locally in your browser and never upload it to a server.