Sign a PDF online, free
Add your signature to a PDF in seconds. Draw it with your mouse or finger, type your name in a signature font, or upload a transparent PNG — then drag it onto the page.
Most PlinyPDF tools run entirely in your browser — your file never leaves your device, with no sign-up and no watermark.
Frequently asked questions
How do I create a signature?
Draw it, type your name in a signature font, or upload a transparent PNG, then drag it onto the page.
Is this a legally binding e-signature?
It places a visual signature image on the PDF. It is not a cryptographic/qualified digital signature.
Are my files uploaded?
No — everything happens locally in your browser.