Adding your signature to a PDF invoice makes it official and ready to send. Here is how to sign any invoice PDF in under a minute for free.
Go to pdfeditor.onl/sign-pdf and upload your invoice PDF.
Draw your signature on the canvas or type your name. For invoices, a typed name in a handwriting-style font is professionally acceptable and fast.
Tip: For recurring invoices, save your signature as a PNG with transparent background. Next time, upload the image instead of redrawing.
Drag the signature to the signatory field at the bottom of the invoice. Download the signed PDF — ready to email to your client.
Yes. An electronically signed invoice is legally equivalent to a handwritten signature in most jurisdictions.
Yes. After placing your signature, use the Text tool in PDF Studio to add a date next to the signature field.
Yes — completely free at pdfeditor.onl/sign-pdf.