iGuardPDF

Sign PDF

Draw, type, or upload your signature and place it on your document. Free, no signup.

Your signature

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This is just the start — Pro also gets you, from £4/month

  • Invisible fingerprinting on every document
  • Share links for Guarded documents
  • Photo verification on open — approve or deny in 60 seconds
  • View-only mode — no download on shared links
  • Revoke access instantly, even after it's been opened
  • Burn-after-read — set a view limit or expiry date
  • Geofencing — restrict who can open it by country
  • One-click legal evidence export if a leak needs to be traced
  • Document analytics — views, shares, countries, and timestamps for every document you send
  • Real-time alerts the moment someone copies, screenshots, or opens on a new device
  • Tracking beacon — get pinged the moment a document is opened in Adobe Acrobat/Reader, even offline
  • Auto-lock on copy or screenshot attempt — the share link revokes itself the instant one is detected
See everything Pro unlocks — £4/month →

How to sign a PDF

  1. Upload the document you need to sign.
  2. Draw, type, or upload a signature.
  3. Place it on the document and download the signed file.

Common reasons to sign a PDF

  • Signing a contract without printing and scanning it
  • Adding a signature to a form before emailing it back
  • Putting a consistent signature on multiple documents quickly

FAQ

Is this a legally binding e-signature?

It places a genuine signature image onto the document; whether that meets legal requirements for a given use depends on your jurisdiction and the document type. For anything requiring a certified audit trail, use Send to Sign instead.

Can I reuse the same signature on future documents?

Draw or upload it fresh each time — the signature itself isn't saved between sessions on this tool.

What's the difference between this and Send to Sign?

This tool signs a document yourself, right now. Send to Sign sends it to someone else to sign, with a full audit trail of when they opened and signed it.