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Sign PDF

Draw, type or upload your signature and place it on any PDF page. Processed entirely in your browser.

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One PDF file · Max 40 MB · for higher limits

What is Sign PDF?

Sign PDF lets you add a personal signature to any PDF document directly in your browser. You can draw your signature by hand using a mouse or touch screen, type your name and pick a handwriting font, or upload a PNG image of an existing signature. The signature is then dragged into position on any page and embedded permanently into the PDF using pdf-lib.

How It Works

The tool works in three steps. First, upload your PDF — all pages are rendered as thumbnails. Second, create your signature in the Draw, Type, or Upload tab. Third, select which page to sign, drag your signature to the exact spot you want, resize it with the slider, and click Sign & Download. The signed PDF is assembled entirely in your browser and downloads instantly.

Key Benefits

  • 100% browser-based — your PDF and signature never leave your device
  • Three signature methods: draw by hand, type with a cursive font, or upload an image
  • Drag-and-drop signature placement on any page
  • Resize the signature to fit any document
  • Drawn and typed signatures have transparent backgrounds
  • No account or registration required

Frequently Asked Questions