Encrypt a PDF with a password and set permissions.
Drop PDF here or click to select
Single file
Drag a PDF into the dropzone. It is read entirely in memory.
Type a user password and, optionally, an owner password with permission flags.
Click Lock to encrypt in-browser, then download the protected file.
AES-256 encryption applied client-side via WebAssembly, matching the strongest option in the ISO 32000 PDF spec.
Yes — set an owner password and disable printing, copying, editing, or annotating while still allowing the file to be opened.
No. The password is used locally to derive the encryption key and never leaves your browser.
Remove a password and its restrictions.
Re-encrypt with a new password in one pass.
Combine PDFs into a single document.
Break a PDF into one file per page, or N pages.
Pull a page selection into a new document.
Rotate pages, relative or absolute.
Remove a selection, keep the rest.
Interleave pages from multiple documents.