Sign PDF
Add your signature to a document.
or drag and drop here
🔒 Your files never leave your device
How to use
Choose or drop your file
Pick options and start
Download the result
About Sign PDF
Sign PDF lets you draw your signature with a mouse or finger and place it anywhere on a document. Sign contracts, forms and permission slips in seconds without printing or scanning.
- 100% free
- Files stay on your device
- No sign-up
- No watermark
- Works on mobile
Frequently asked questions
Is my signature stored?
No. Your signature is created and placed on your own device.
Can I sign on my phone?
Yes. Draw with your finger on the touchscreen.
Is Sign PDF free?
Yes. Sign PDF is completely free, needs no account and never adds a watermark to your files.
Are my files safe?
Yes. Your file is processed inside your browser on your own device; it is never uploaded or stored.
Can I use it on my phone?
Yes. Sign PDF works in every modern browser on iPhone and Android, no app needed.
Is it safe to use Sign PDF online?
Yes. Sign PDF processes your file on your own device, inside your browser. The file is never uploaded, stored or shared, and the connection is encrypted with HTTPS.
Does Sign PDF work on iPhone or Android without an app?
Yes. It works in Safari, Chrome and every modern browser — no app, no account.