E-signing guide
5 min read

How to Sign a PDF Online Quickly and Securely

11 Jan 2022
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Agrello
Customer Success Team

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Business professionals often find themselves in a familiar situation: an important contract arrives in Microsoft Word format requiring an immediate signature. The traditional process of printing, signing, scanning, and emailing back isn't just time-consuming—it's an unnecessary obstacle in today's digital world.

When looking for how to sign PDFs online, it is important to choose a method that is not only fast but also trustworthy. Agrello's secure electronic signature solution allows users to convert any PDF into a legally binding, electronically signed document within minutes.

By moving document signing online with Agrello, you benefit from:

  • Efficiency: Documents can be signed and delivered instantly, significantly accelerating your business processes.
  • Enhanced Security: All electronic signatures and documents comply fully with international legal standards, offering robust protection of your sensitive data with PAdES signature format.
  • Accessibility: Sign PDF documents conveniently from any device—be it your computer, tablet, or smartphone, anytime, anywhere.

This guide will provide you with a detailed, step-by-step tutorial on how to sign PDF documents online securely and quickly with Agrello, including visuals and comparative insights to make your signing process effortless.

How to Electronically Sign a PDF Document?

Electronically signing a PDF document streamlines your workflow, reducing the need for manual paperwork and physical meetings. Agrello simplifies this process, enabling you to sign PDFs online securely and efficiently.

Here's a straightforward breakdown of how you can sign PDF documents electronically with Agrello, including clear steps and illustrative screenshots.

Step 1 – Set Up Your Account for Free

Creating your Agrello account is quick, effortless and free. You can easily set up an account in just a few clicks using your existing Google or Microsoft credentials, eliminating the need to remember additional passwords.

How to create your Agrello account:

  • Visit the Agrello login page.
  • Choose “Sign up with Google” or “Sign up with Microsoft” for fast, one-click registration.
  • Alternatively, enter your email address to receive a secure login code directly to your inbox.

With these simple options, you're ready to start signing your PDFs online securely in moments.

Step 2 – Upload Your PDF

Once logged into your Agrello account, uploading your PDF document for signing is straightforward and quick.

How to upload your PDF:

  • Click on the clearly marked “Upload Document” button on your dashboard.
  • Alternatively, simply drag and drop your PDF directly into the designated upload area for even greater ease.

Your document is now securely uploaded and ready for preparation for signing.

Step 3 – Review your PDF document before signing

After uploading, Agrello provides you with a clear preview of your document.

Here's how to proceed:

  • Review your document within the preview window to ensure everything looks correct.
  • Click the prominent “Continue” button located in the top-right corner.
  • In the next step, you will easily add your electronic signature and assign signature fields to any additional parties involved.

Agrello simplifies placing signatures, ensuring your PDF is securely and accurately signed.

Step 4 – Invite Signers or Add Your Own Signature

Adding additional signers is effortless with Agrello:

  • Simply type the email addresses of your document signers in the clearly marked field under "Who needs to sign the document?"
  • Signature fields will automatically appear—just drag and drop them precisely where each signer should place their electronic signature.

Agrello ensures clarity and accuracy in multi-party document signing, making collaboration seamless and intuitive.

Step 5 – Send Document for Signing

Sending your PDF for signing is simple:

  • Click the “Send for signing” button located prominently in the top-right corner.
  • You can optionally include a personalized message for your signers.
  • Each signer receives an email with a secure link to review and electronically sign the document.

If you need to sign the document yourself, you can conveniently do so immediately after sending invitations.

Agrello streamlines the signing process, ensuring fast and efficient collaboration.

Comparison of Online PDF Signing Methods

Choosing the right PDF signing solution can significantly impact your workflow efficiency, security, and ease of use. Below is a clear comparison of the most common online PDF signing methods:

Feature Agrello Adobe Acrobat Sign DocuSign Manual Signing
Speed ✅ Instant ✅ Instant ✅ Instant ❌ Slow
Ease of Use 😊 Excellent 🙂 Good 🙂 Good 😕 Low
Security 🔐 High 🔐 High 🔐 High ⚠️ Low
Legality 🌍 Fully Compliant ✅ Compliant ✅ Compliant ⚖️ Inefficient
Mobile-Friendly ✅ Yes ✅ Yes ✅ Yes ❌ No
Audit Trail ✅ Complete ✅ Yes ✅ Yes ❌ No


Agrello's PDF signing solution offers unparalleled ease, security, and cost efficiency for businesses and individual users alike.


Frequently Asked Questions about Signing PDFs Online

Are electronically signed PDF documents legally binding?

Yes, PDF documents signed electronically through Agrello are legally binding and compliant with major international electronic signature regulations, including the EU’s eIDAS and the US ESIGN Act.

Can I sign PDFs online using my smartphone or tablet?

Absolutely! Agrello’s e-signature platform is fully responsive and allows you to sign documents conveniently on any device—smartphones, tablets, or computers.

Do signers need an Agrello account to sign my documents?

No, recipients don’t need an Agrello account. They'll receive a secure link via email, allowing them to review and sign your PDF quickly and effortlessly.

Is signing PDFs online secure?

Agrello utilizes robust security measures, ensuring your sensitive information remains protected. All documents and signatures are encrypted, meeting strict international security and privacy standards.

Can I track who has signed my PDF document?

Yes, Agrello provides detailed audit trails showing exactly who has viewed, signed, or has yet to sign your document, ensuring complete transparency and control.

How long does it take to sign a PDF document online?

Signing with Agrello typically takes just a few minutes. Documents can be sent, signed, and completed instantly, significantly streamlining your workflow.