FFlexyFiles PDF tools

Password-protect a PDF

Encrypt a PDF with a password (AES-256) so only people who know it can open it.

or drop files here

How it works

  1. Upload a PDF.
  2. Enter a password.
  3. Download the protected file.

Frequently asked questions

Do you keep my password?

No. It is used once to encrypt the file and is not stored.

Are my files safe?

Files are stored in a private workspace that only your link can open. They are processed on our servers, never shared, and deleted automatically 48 hours after your last visit. You can delete them yourself at any time.

Is it free?

Yes. All tools are free with no sign-up and no watermark. The site is paid for by ads.

More PDF tools

⧉ Merge PDF Combine several PDFs into one document, in the order you want. ✂ Split PDF Split every page into its own file, every N pages, or by custom page ranges. ▦ Organize pages See every page as a thumbnail. Drag to reorder, rotate or delete pages, then save. ↻ Rotate PDF Rotate all pages or only the ones you select, and save the result permanently. ⌫ Delete pages Remove blank or unwanted pages from a PDF in a few clicks. ⇱ Extract pages Pick pages and save them as a new PDF, leaving the original untouched. ⇲ Compress PDF Make PDFs smaller for email and upload forms, with a choice of quality. ▣ JPG to PDF Turn photos and scans into a single PDF, one image per page. ◩ PDF to JPG Save every page of a PDF as a JPG or PNG image, downloaded as a ZIP. ◌ Watermark PDF Stamp text such as CONFIDENTIAL or DRAFT diagonally across every page. # Page numbers Number pages at the top or bottom, with formats like "3" or "3 / 10". ⚿ Protect PDF Encrypt a PDF with a password (AES-256) so only people who know it can open it. ⚷ Unlock PDF Remove the password from a PDF you are allowed to open. ⓘ Edit metadata Change the document properties that appear in readers and search results.