Can I digitally sign Word documents?

Our eSign signature tool accepts multiple document formats, not only PDF format. You can upload Word documents, Excel sheets, PowerPoint documents, or various image files. They will automatically be converted to PDF files, ready for secure signing. Add your own signature, or click on “Invite signees” and add the name and email address of anyone who needs to sign the document too.

Is it safe to use Smallpdf eSign?

Totally! Smallpdf and its tools are ISO/IEC 27001 certified as well as compliant with GDPR and eIDAS. Our document processing comes with advanced TLS encryption, so all your file transfers are secure. You also get free document storage when you create an account.

Are digital signatures legal in my country?

Signatures created with eSign carry an LTV (Long-Term Validation) timestamp to verify signatures and signees. Digital signatures are generally legally binding, but it’s always a good idea to check in with your local laws when it comes to signature legality, or ask the advice of a legal professional.

Can I try eSign out first before I subscribe?

Of course! You’ll usually be able to create two free signatures per day, but you can also try out eSign totally unrestricted with a 7-day free trial. If you love it, you can sign up for an account to get unlimited access to eSign and 20 other PDF tools that’ll change the way you get work done.

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eSign PDF

Add your electronic signature to any PDF in just a few clicks. No printing, scanning, or downloads—just fast, secure digital signing.Need eSign for your team? Contact us.

eSign PDFs on Mac, Windows, iOS, Android, and Linux
Trusted by 1.7 billion people since 2013
GDPR compliant and ISO/IEC 27001 certified

Sign PDFs Online—No Printing Needed

Need to eSign a document, contract, or agreement? Add a legally binding eSignature to any PDF in seconds, then download your signed file. Quick, secure, and hassle-free.

Sign PDFs in Seconds

Upload your document, add your signature or initials, and download your signed PDF instantly. Skip the printer, seal the deal.

Legally Binding eSignatures

Sign with confidence—our eSignatures meet eIDAS compliance standards. Rest easy knowing your signature is valid for business and legal documents worldwide.

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Encrypted & Secure

Your documents are encrypted with TLS security, and all files are automatically deleted after one hour. Your contracts and documents are safe, secure, and private.

Collect Online Signatures in 24 Hours

3 Weeks by Post
Printing out contracts, trips to the post office, and paying for postage stamps? No, thanks!
1 Week by Email
Your client prints, signs, scans, and converts before sending the signed documents. Quicker than post, but not much simpler!
± 24 Hours With eSign
Your client completes contracts online—no printing, no scanning, no fuss. Digitally timestamped and ready to go!

eSign Documents Digitally—Fast, Secure, and Legally Binding

Instant eSigning, No Delays
Upload your PDF, place your signature or initials, and finalize your signed PDF in just a few clicks. Intuitive signing done in seconds.
Multiple Signing Options
Draw, type, or upload your signature for a personalized and professional signing experience. Add your signature, initials, date, text, or checkboxes as needed.
Cloud-Based & Accessible Anywhere
Sign PDFs from your browser on Mac, Windows, Linux, iOS, or Android. No downloads needed, no fancy software.
Legally Compliant eSignatures
Our electronic signatures meet eIDAS standards and use EU Trust Listed services. Count on global compliance and legal validity.
Safe From Start To Finish
All files are protected with TLS encryption and automatically deleted after one hour of processing. Rest assured your documents stay secure from start to finish.
Industry-Leading Security & Compliance
Smallpdf is ISO/IEC 27001 certified and fully GDPR compliant. We meet the highest privacy and security standards, so your data stays safe and in your control.

Visit Trust Center

How to Sign a PDF Document Online

Import or drag & drop your PDF file into our eSign tool.
Add your signature, initials, text, and dates as needed.
Click ‘Finish & Sign’ to apply your changes.
Download or share your signed PDF file—that’s it!

Questions About eSign?

Got any questions for us about eSign and how it works? We’ve covered a few of our most frequently asked questions about the tool right here. But if you can’t find what you’re looking for, just get in touch and we’ll help you out.

Can I digitally sign Word documents?
Our eSign signature tool accepts multiple document formats, not only PDF format. You can upload Word documents, Excel sheets, PowerPoint documents, or various image files. They will automatically be converted to PDF files, ready for secure signing. Add your own signature, or click on “Invite signees” and add the name and email address of anyone who needs to sign the document too.
Is it safe to use Smallpdf eSign?
Totally! Smallpdf and its tools are ISO/IEC 27001 certified as well as compliant with GDPR and eIDAS. Our document processing comes with advanced TLS encryption, so all your file transfers are secure. You also get free document storage when you create an account.
Are digital signatures legal in my country?
Signatures created with eSign carry an LTV (Long-Term Validation) timestamp to verify signatures and signees. Digital signatures are generally legally binding, but it’s always a good idea to check in with your local laws when it comes to signature legality, or ask the advice of a legal professional.
Can I try eSign out first before I subscribe?
Of course! You’ll usually be able to create two free signatures per day, but you can also try out eSign totally unrestricted with a 7-day free trial. If you love it, you can sign up for an account to get unlimited access to eSign and 20 other PDF tools that’ll change the way you get work done.