Sign a PDF online
Sign a PDF: draw, type or upload your signature.
Sign a contract, a purchase order or a permission slip in a minute, from a computer or phone. Create your signature (finger drawing, handwriting font or image), place it, and add the date and your initials on every page if needed.
How to sign a pdf online in 3 steps
Add your file
Click “Select” or drag and drop the file. It stays on your device.
Sign a PDF online
Create your signature and place it on the document.
Download the result
Your file is ready in seconds, with no watermark and no sign-up.
Why use Sign PDF on PDF Atlas?
100% private
Your documents are processed in your browser and never uploaded.
Free & unlimited
No account, no watermark, no daily limit.
Fast
No upload time: results are instant.
Works everywhere
Computer, tablet or phone, on every system.
Frequently asked questions
Is my signature stored?
No. The signature is created and applied in your browser; it is never sent to or stored on our servers.
Is this a qualified electronic signature?
It is a simple electronic signature (signature image). For a legally qualified signature, use a certificate provider.
Is Sign PDF free?
Yes, the Sign PDF tool on PDF Atlas is completely free, with no sign-up, no limits and no watermark.
Are my files safe?
Yes. Processing happens locally in your browser: your files are neither uploaded nor stored on a server.