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Digitally Sign a PDF Document

Digitally sign any PDF document without leaving your browser. Whether it's a contract, invoice, or form, SignForge makes it easy to place your signature exactly where it's needed and download the signed document in seconds..

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Add your signature to any page

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Digitally sign any PDF document without leaving your browser. Whether it's a contract, invoice, or form, SignForge makes it easy to place your signature exactly where it's needed and download the signed document in seconds.

How it works

01

Upload your file

Drag and drop or click to upload your PDF. Secure, fast, and free.

02

Configure options

Choose your settings and preview the result before processing.

03

Download result

Get your processed file instantly. No watermarks, no sign-up required.

Frequently asked questions

How do I digitally sign a PDF?

Upload your PDF, choose how to create your signature (type, draw, or upload), click where you want it placed, and download. The entire process takes under a minute.

Is a digitally signed PDF legally valid?

Yes. Electronic signatures applied with intent to sign are legally binding under the ESIGN Act, UETA, and eIDAS. SignForge permanently embeds your signature in the PDF.

Can I sign a PDF that was sent to me via email?

Yes. Save the PDF attachment to your device, upload it to SignForge, add your signature, and download. You can then email the signed version back.

Does the signature stay if I print the PDF?

Yes. Your signature is permanently embedded in the PDF content. It will appear on printed copies exactly as it does on screen.

Need to send documents for signature?

Upload a PDF, place signature fields, send to anyone for signing. Free, legally binding, with a full audit trail.

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