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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 e-signing.Need eSign for your team? Contact us.

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

Meet Sign.com—Smallpdf’s Dedicated E-Signing Platform

Get documents signed in seconds with Sign.com—featuring stronger security, better verifiability, and a more professional experience for you and your signees.

Try Sign.com

Sign PDFs Online—No Printing Needed

Need to e-sign a document? Add an e-signature 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.

Encrypted & Secure

Your documents are encrypted with TLS security, and all files are automatically deleted after one hour unless you save them to your Smallpdf account.

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E-Sign More Than PDFs

Upload Word, Excel, PowerPoint, or image files—our tool converts them automatically to PDFs, so you can sign any document securely and effortlessly.

How to Sign a PDF Document Online

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

E-Sign Documents Digitally—Fast & Secure

  • Instant E-Signing, 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.

  • ISO/IEC 27001 Certified Security

    We’re ISO/IEC 27001 certified, so we’re audited annually to ensure the safety, security, and integrity of your information.

  • Multiple Signing Options

    Draw, type, or upload your signature for a personalized and professional e-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.

  • GDPR Compliance

    Smallpdf is GDPR compliant, which means we’re transparent about how we store, collect, and process your personal data.

  • Need More? Try Sign.com

    Sign.com comes with advanced e-signing features built specifically for business owners, freelance professionals, and everyone else who wants to up their e-signing game.

Questions About eSign?

  • Can I digitally sign Word documents?

    Our eSign tool can process multiple document formats, not only PDF. 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.

  • Is it safe to use Smallpdf eSign?

    Totally! Smallpdf and its tools are ISO/IEC 27001 certified as well as compliant with GDPR. Our document processing comes with advanced TLS encryption, so all your file transfers are secure.

  • Can I try eSign out first before I subscribe?

    Of course! You can 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 30 other PDF tools that’ll change the way you get work done.

  • How can I request e-signatures from others?

    To invite signees and get their legally binding e-signatures, try our new e-signing product, Sign.com. Unlimited access to Sign.com comes with your Smallpdf plan, and you’ll get advanced features like audit trails, access codes to protect your documents, Certificates of Completion, and more.

  • Can I sign documents on mobile?

    Yes. Simply download our mobile app (available for Android and iOS), log in to your Smallpdf account, and start signing.

  • Does Smallpdf integrate with cloud services?

    Smallpdf integrates with Google Workspace, Microsoft OneDrive, and Dropbox. You can connect either of the cloud services to process files stored there and upload processed files back to the cloud services.

  • What’s the difference between an electronic and digital signature?

    An electronic signature is any electronic method that shows a person’s intent to sign a document—for example, typing your name, pasting an image of your signature, or clicking “I accept.” It’s a broad term covering all forms of electronic agreement. A digital signature, on the other hand, is a specific type of electronic signature that uses encryption and digital certificates to prove the signee’s identity and secure the document. Digital signatures add a layer of security and authenticity by creating a unique, tamper-evident fingerprint for each signed document.

  • Is there a way to protect my signed document with a password?

    Absolutely. Once you’re done signing your document, head over to our free Protect PDF tool and set a password for your signed PDF.

  • How long are my files stored after signing?

    We delete the processed files from our servers after one hour. However, you can save the files to your Smallpdf account and keep them for as long as you need.

  • What’s the difference between eSign and Sign.com?

    Both eSign and Sign.com are built by Smallpdf. eSign lets you quickly add your own signature to documents. Sign.com offers advanced features like requesting signatures from others, tracking document activity, adding digital seals, and providing a Certificate of Completion—ideal for professional use when serious or sensitive documents are being signed.

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E-Signing—Made Simple

Equip your business with tools to e-sign, edit, request signatures, and share documents—all in one place.

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