Free online tool
Sign PDF online — free electronic signatures
Add your signature to PDF contracts, forms, and approvals online. Draw, type, or use saved signatures — free and browser-based.
Your unsigned and signed files stay on your device during the signing workflow.
Why use OyoPdf
- Free PDF signing
- Draw or type signatures
- Place signatures anywhere on the page
- Browser-based privacy
- Download signed PDF instantly
How to sign pdf online
- Upload the PDF you need to sign.
- Create your signature and place it on the document.
- Download the signed PDF.
Frequently asked questions
- Is online PDF signing legally binding?
- Laws vary by country. Consult legal advice for formal contracts.
Learn more
Read the full guide: How to Sign a PDF Online Free. Browse all PDF guides or conversion tools.