PDF Signature Adder
Draw your signature and place it onto a PDF document, right in your browser, to quickly sign forms, letters, and contracts without printing anything.
About this pdf signature adder
No more printing a document just to sign it and scan it back in. This tool lets you draw your signature with a mouse, finger, or stylus and places it directly onto your PDF.
How pdf signature adder works
You draw your signature on a small canvas, and it is embedded as an image onto the last page of your PDF, which you then download. This adds a visual signature image, not a cryptographically verified digital signature.
Common uses
- Signing a form or letter without printing and scanning
- Quickly signing a contract before emailing it back
- Adding a signature to a document on the go, from a phone or tablet
How to use this tool
- Choose your PDF file.
- Draw your signature on the signature pad using your mouse, finger, or stylus.
- Click Sign PDF.
- Download the signed document.
What to know before using it
For documents that specifically require a certified digital signature (such as some legal or government filings), check whether your recipient requires that specific standard, this tool provides a visual signature rather than a certificate-based one.
Privacy and browser-first processing
Your PDF and signature are processed entirely inside your browser tab and are never uploaded to this server.
Frequently asked questions
Is this a legally binding digital signature?
It adds a visual image of your signature to the document, not a certificate-based digital signature. For documents that specifically require certified e-signatures, check your recipient's requirements first.
Where does the signature get placed?
It is added to the bottom-right area of the last page of your PDF.
Can I redo my signature if I make a mistake?
Yes, use the Clear Signature button to start over before signing the document.