How to sign a PDF online for free
- Upload the PDF you need to sign.
- Draw your signature with a finger or mouse, or upload a picture of it.
- Tap the page to place your signature and the date, then resize or move them.
- Download your signed PDF.
Why use DydalPDF to e-sign documents?
DydalPDF is a simple PDF signature tool for contracts, offer letters, invoices, NDAs, school forms and agreements. It works as a free PDF signer on iPhone, Android, Windows and Mac, directly in your browser.
- Private: your document is processed on your device, not uploaded to a server.
- Fast: sign a PDF online in under a minute.
- Flexible: add a signature, a date stamp, and sign on multiple pages.
- Free: no account and no watermark.
Frequently asked questions
Is DydalPDF free?
Yes, it is free with no sign-up.
Is my PDF uploaded to a server?
No. Signing happens in your browser, so your document stays on your device.
Can I sign a PDF on my phone?
Yes. Draw your signature with your finger, then tap the page to place it.
Are electronic signatures accepted?
Electronic signatures are widely accepted, but requirements vary by country and document type. For high-stakes contracts, check the rules that apply to you.