paper.

🟡 Uses Paper's own server

Edit PDFs together

Invite others to mark up, edit and sign the same PDF live, with everyone's cursor visible; end-to-end encrypted.

Open Paper to edit PDFs together →

This tool needs software too heavy for a browser, so the file is sent to Paper's own server, converted, and deleted immediately after. It is never sent anywhere else.

How to edit PDFs together

  1. Open the PDF.
  2. Click Live and start a session.
  3. Send the invite link; changes appear for everyone instantly.

Questions

Is it free?

Yes, free and open source, with no sign-up and no watermark.

Can Paper read our document?

No. The document and every change are encrypted in the browser; the key is only in the invite link.

How many people can join?

Up to 25, for 24 hours per invite.

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