Digitally sign PDF documents.
Use our eSignature tool to sign documents yourself or send signature requests to others.
Say goodbye to printing, mailing, and scanning contracts. With eSign, finalizing contracts is faster than ever. Embrace the future of business with electronic signatures. For Simple Electronic Signatures (SES), no account is required, and it's free to begin instantly.
Securely sign PDFs with legally binding signatures
Monitor unsigned contracts
Work together with clients
Accelerated Signatures, Enhanced Business
The real work begins once you secure that signature, making timing crucial. With eSign, streamline document signing and acquisition of signatures. Track progress effortlessly and focus on building your empire. Digitize your contract signing today with eSign.
Trustworthy & Dependable
Your privacy is paramount. Our PDF signature tool ensures secure communication with SSL encryption, safeguarding your documents and electronic signatures. Your data is automatically and permanently erased from our servers once your session concludes, guaranteeing
Secure PDF e-Sign Online
All files you upload and those generated on our servers undergo TLS encryption, ensuring secure processing. Rest assured, they are permanently deleted within an hour for your privacy. For further details, please refer to our privacy policy.
Compatible with Windows, macOS, and Linux systems.
Our PDF combiner operates directly within your web browser, ensuring compatibility across all devices, including Mac, Windows, Linux, and mobile platforms. Whether you're on a desktop or mobile device, you can seamlessly e-Sign your files with Smartfreetool's convenient browser-based tool.

How to Sign a PDF Document Online:
- Upload your PDF to Smallpdf eSign platform.
- Generate a new e-signature for document placement.
- Optionally include text and a date.
- Complete the process by clicking “Finish & Sign,” then download or share your signed document instantly.