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Sign PDF
Draw or type your signature and place it anywhere on the page.
Choose a fileLoading the tool…
Sign documents without printing them. Draw your signature with a mouse or finger, type it in a handwriting font, or upload an image, then place it anywhere.
How to sign a PDF
- Choose the PDF to sign.
- Draw, type or upload your signature.
- Click the page to place it, then “Sign & download”.
Frequently asked questions
Is this a legally binding signature?
It adds a visual electronic signature, which many everyday agreements accept. Some documents require a certified digital signature instead.
Is it really free?
Yes. There is no sign-up, no daily limit and no watermark added to your files.
Are my files uploaded to a server?
No. ModifyPDF processes files with JavaScript inside your browser. Your documents never leave your device, and nothing is stored after you close the page.