best free pdf converterPrivate · client-side PDF tools
Edit4 min readUpdated 2026-09-22

How to sign a PDF online without printing

Draw or upload a signature, place it on the page, and download a signed PDF copy.

A PDF document with a signature being placed on it

When to use Sign PDF

Use Sign PDF when a document needs a visible signature image and you do not want to print and scan it.

  • Basic approvals, forms, acknowledgements, and internal paperwork.
  • Adding a drawn signature or uploaded signature image.
  • Quick signing workflows on desktop or mobile.

How to use it

  1. 1Select your PDF document.
  2. 2Create your signature by typing, drawing, or uploading an image.
  3. 3Place your signature in the correct location.
  4. 4Download your signed PDF file.

How it helps

  • Saves paper, scanner time, and repeated email steps.
  • Lets you position a signature on the correct page.
  • Keeps signing work inside your browser.

Practical tips

  • Use a transparent PNG for a clean uploaded signature.
  • Place the signature inside the intended signature box.
  • Confirm legal requirements for important contracts.

Honest limits

  • This places a signature image; it is not a certificate-based digital signature.
  • Legal validity depends on document type and jurisdiction.

Privacy note

Core processing for Sign PDF runs in your browser. That means the selected file is handled locally by the page instead of being uploaded to a conversion API.