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Sign PDF Documents Online for Free

Need to sign a contract or form quickly? The Sign PDF tool on pdfjuggler.com lets you place a signature right in your browser. This online PDF signature creator helps you electronically sign PDF documents and sign contracts without printing.

Step-by-step: Sign a PDF document online

  1. Open the Sign PDF tool and click Select PDF.
  2. When the preview loads, tap Add signature.
  3. Draw with your mouse or finger, or type your name and choose a style.
  4. Drag the signature into place and resize if needed.
  5. Click Apply & Download to save the signed file.

Compared with Smallpdf or iLovePDF, pdfjuggler signs documents entirely in your browser with no registration or file limits, while those services upload PDFs to their servers and may restrict free signatures.

Draw or type your signature

Click Select PDF and choose the document. When the preview loads, tap Add signature. Use your mouse, trackpad or finger to draw a realistic signature. Prefer typed? Pick a font and type your name instead.

Position and resize

Drag the signature to the correct spot and use the corner handles to resize. You can add multiple signatures or initials if needed.

Download a signed copy

When everything looks correct, press Apply & Download to get a new PDF that contains the signature. The original file stays on your device for privacy.

For more complex edits—like redacting or filling out text fields—switch to the Edit PDF tool. Pair your signed document with the Compress tool if you need to email a small attachment, and check out guides on compressing PDFs under 1MB or merging PDFs on mobile.

For more PDF help, see our complete toolkit guide or try the Split PDF tool to manage pages.

FAQ

Is a digital signature created here legally binding?

Yes, electronic signatures are widely accepted when you have intent and consent.

Can I add multiple signatures to one PDF?

You can place as many signatures or initials as needed before downloading.

How do I sign a PDF on my phone?

Open the Sign PDF tool on mobile, draw with your finger, then place and save the signature.

Can I save my signature for reuse?

Yes, the tool remembers your last signature until you close the tab or refresh.

Is pdfjuggler secure?

Yes, processing happens locally in your browser so files never leave your device.

Can I use this offline?

Yes, once loaded, the tool works even without an internet connection.