PDF Signature
Draw your signature and place it on any PDF page — mouse or touch, position and scale controls. Runs in your browser.
About this tool
Draw a signature using your mouse, trackpad, or touch screen and place it directly onto any page of a PDF. The canvas supports smooth drawing with pressure-free strokes. Once saved, your signature is embedded as a PNG image and placed at your chosen position and scale on the selected page using pdf-lib. The original page content is preserved — the signature is drawn on top. Ideal for visually signing forms, letters, and documents. Note: this places a visual signature graphic, not a cryptographic digital signature. No upload, no sign-up, no watermark.
How to use it
Quick steps to get the most out of this utility.
- 1
Drop your PDF
Any size up to 100 MB.
- 2
Draw your signature
Use mouse, trackpad, or touch.
- 3
Set position & page
Choose page, X/Y, and scale.
- 4
Place & download
Signature embedded on the page.
Visual signing for PDF documents
Place a visual signature on any PDF page — useful for quickly signing forms, letters, or adding a signature graphic where a formal e-signature is not required. This is not a cryptographic digital signature and does not carry legal e-signature weight. For legally binding signatures, use dedicated e-signature platforms.
Frequently asked questions
Is this safe? Does it upload my PDF?+
No upload whatsoever. The signature is drawn locally and placed using pdf-lib entirely in your browser. Your PDF and signature never leave your device.
What is the maximum file size?+
PDFs up to 100 MB are accepted. The signature placement is lightweight — only adds a small PNG image to the page.
Does it work offline?+
After the page has loaded once, yes. Drawing and placement run locally.
Will this work on iPhone / iPad?+
Yes — the touch canvas works on mobile devices for finger or stylus drawing.
Can I place the signature on a specific page?+
Yes — choose any page from the dropdown. The signature is placed only on that page.
Can I adjust size and position?+
Yes — set X/Y coordinates in points and a scale factor (0.1–5×).
Is this a legally binding e-signature?+
This tool places a visual signature image on the page — it is not a cryptographic digital signature. For legal e-signatures, use DocuSign or similar services. This is for visual placement of a signature graphic.
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