FileKeeps

Sign PDF (e-Signature & Stamp)

Draw a handwritten signature or upload a stamp image, then place it on any page

On-Device

1. Choose a PDF

2. Create your signature

Draw your signature with mouse or touch.

4. Insert

Add an e-signature to a PDF. Draw a handwritten signature on canvas or upload a stamp/signature image, then insert it on any page at any position and size. Preview the result on thumbnails as you adjust — everything runs in your browser.

What you can do

  • Draw signatures (mouse·touch)
  • Upload stamp/signature images (transparent PNG best)
  • Pick page, position, size + live preview
  • on-device — documents never leave

How to use

  1. 1Upload a PDF
  2. 2Draw a signature or upload a stamp
  3. 3Set page, position, size and press Sign PDF

Supported formats · PDF + PNG · JPG (stamp)

Add a handwritten signature or a stamp image to any page and position of a PDF. Draw your signature or upload a stamp image, place it, and save a new PDF, all processed inside your browser with no server.

How to use it

  1. 1Drag in or select the PDF file.
  2. 2Draw your signature or upload a stamp image.
  3. 3Place it on the page and position you want, then download the new PDF.

When it comes in handy

For example, it helps when you need to sign a contract you received by email and send it back without printing and scanning.

It is also handy for placing a stamp image on an application before submitting it.

Signature or stamp

Draw a handwritten signature on screen or upload a stamp image and place it where you want. The original is left as-is and a new file is created.

Processed on your device

The PDF and your signature are never sent to a server; they're processed inside your browser, so sensitive contracts stay private.

Frequently asked questions

Are files uploaded to a server?+

No. Both the PDF and your signature stay inside your browser and never leave your device.

Is it legally binding?+

It places a signature or stamp image onto the document. Legal validity depends on the document type and the requirements of the party involved, so check if needed.

Can I place it exactly where I want?+

Yes. Position the signature or stamp on any page and spot you choose.