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Sign PDF
Draw, type, or upload a signature and place it.
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How to use Sign PDF online free
- Upload the PDF you need to sign.
- Draw, type, or upload an image of your signature.
- Drag it into place, apply, and download the signed PDF.
Why use PDFdecor?
- 100% free — no sign-up, no watermark, no trial limits.
- Private by design — files are encrypted in transit and auto-deleted after 2 hours.
- Works everywhere — Windows, Mac, Linux, Android, and iPhone, right in your browser.
- No software to install — no Adobe Acrobat needed.
Frequently asked questions
How do I add a signature to a PDF?
Upload your PDF, create a signature by drawing, typing, or uploading an image, then drag it exactly where it needs to go. Download the signed document in seconds — free.
Is it free to sign PDF documents online?
Yes. PDFdecor lets you sign PDF documents completely free — no sign-up, no watermarks, and no software to install. It works in your browser on Windows, Mac, Linux, Android, and iPhone.
Are my files safe?
Yes. Files are transferred over an encrypted connection and automatically deleted from our servers after 2 hours. Nobody can access your documents.
Do I need to install any software?
No. PDFdecor runs entirely online in your web browser, so you can sign PDF documents without installing Adobe Acrobat or any other desktop software.