Securely and conveniently sign documents on Mac devices

Create digital signatures, send signature requests, and manage your paperwork using only your macOS computer.

Feature-rich esign app for Mac computers

Fill is an all-around electronic signature designed to simplify your document workflow and improve the efficiency of your processes. Our top-rated esign app lets you sign documents on your Mac device with just a few clicks.

Get rid of papers and use your Mac for all your paperwork

The need to go through a huge pile of papers to locate and sign documents is no more. Create soft copies of documents and seamlessly sign, save and send them to associates and clients using your Mac. Handle work in an efficient manner and contribute to the environment with Fill eSign service for Mac.  

Embrace a modern approach to document signing with Fill’s esign for Mac


Maximize your profits while keeping your business expenses low. Fill offers a range of flexible plans that will surely fit any budget. With Fill, there’s no need to invest in expensive equipment. You can download our esign app for Mac for free to transform your computer into the ultimate productivity tool.

Secure and compliant

Safeguard your highly sensitive information against malicious threats. Our electronic signature application for Mac uses military-grade 256-bit encryption to keep breaches and unauthorized access at bay. Fill’s esign for Mac also complies with federal and international regulations such as HIPAA, GLBA, and GDPR.


Perform and accomplish document-signing tasks without the hassle. Our electronic signature platform for Mac boasts an intuitive and user-friendly interface. You can sign documents on Mac and access the basic features and functionalities of the application without any difficulty.

Portable and convenient

Collect signatures and sign documents on Mac without going through a tedious process. When you use Fill, you can handle transactions and stay on top of your paperwork even when you’re out of the office. Adopt a paperless approach to doing business so that you can get the job done wherever, whenever.​​​​

Packed with features

Increase your overall productivity and efficiency using only one tool. Our esignature app for Mac boasts a wide array of features and functionalities that not only streamlines your process but also improves the quality of your output. With Fill, you can enjoy features such as signer identity verification, third-party integrations, online forms, and analytics, to name a few.

Electronic signature solution for all businesses across various industries

Boost sales and improve customer satisfaction by providing an easier and more convenient way of signing documents and collecting signatures from your clients.

Create your electronic signature on your Mac computer

Sign documents with no limits

With Fill, you do not have to worry about caps and restrictions. Enjoy unlimited document signing and signature requests without added costs.

HIPAA-compliant esignature

Fill’s esignature app for macOS abides by the privacy and security rules set by HIPAA. Sign healthcare documents on Mac with confidence using our app.

Sign any document on Mac

Fill introduces an easier and faster way of signing documents. All you need to do is download Fill’s esign app for Mac on the App Store, upload the file, and affix your electronic signature.

Frequently Asked Questions

Fill’s esign app for Mac boasts a modern interface that’s packed with innovative features and functionalities. It allows you to sign documents digitally in a matter of seconds. What’s even better is that you can download the Fill app for free.

Let’s walk through the process:

  1. On your Mac computer, go to the App Store.
  2. Log in to your Apple account.
  3. Type Fill PDF Editor, Signature App on the search bar and press Enter.
  4. Select Fill PDF Editor, Signature App.
  5. Alternatively, you can also search for the app here.
  6. Click Get and then click Install.
  7. Verify your account by either re-typing your password or using your fingerprint.
  8. Your Mac computer should automatically install the app once it’s done downloading. The process may take a few minutes to finish.

Once the app has been successfully installed, simply sign in to your account so you can start using Fill.

Fill’s esign app for Mac simplifies your document-signing process by completely eliminating the need to print any files. You can do all your transactions digitally within minutes. Aside from being able to sign documents on Mac, you can also fill out PDF files on your computer.

Here’s how to do it:

  1. Download Fill’s electronic signature application on Mac.
  2. Launch the application on your computer.
  3. Create your account with Fill. If you have an existing account, sign in.
  4. Click the Plus sign button found on the bottom center of the dashboard.
  5. Select Finder and choose the PDF document you wish to fill in.
  6. Select Sign Yourself if you’re the only one who needs to sign the document. If there are any other parties involved in the document signing, select Request Signature.
  7. Click Fill and Sign Document.
  8. Click Text on the Edit menu, and type in the necessary information.
  9. You may drag the text box to the appropriate place.
  10. Once you’re done, click Send.
  11. Choose between Download PDF, Send to Others, and Fax to complete the process.

Many thanks to technological advances, it is now possible to sign documents without having to print copies of them. All you need is an electronic signature application like Fill and you can sign and fill out paperwork on the go using only your preferred device such as computers, tablets, and even smart or mobile phones.

When you sign up with Fill, you can access our electronic signature that’s compatible with mobile phones and computers. If you are using Mac computer, you may download and install our desktop application. You can also opt to access Fill our web application using your preferred internet browser.

Once you have created your account, you should be able to start creating your electronic signature on your Mac. To do so, you can either draw your signature using your mouse or trackpad. If you already have a digital copy or an image of your signature, you can also upload it to Fill. For quick signing, you may also just type your signature and choose from our array of fonts that will suit your liking.

When sending out documents online for signing, it’s highly recommended to use PDF as your standard format for your files. For one, it’s extremely portable, which means anyone you share your files with can open them regardless of the device or platform they are using. PDF files are also very compact. Most importantly, you can password protect your documents to prevent unauthorized access.

Signing PDF files on Mac is fairly simple. The first thing that you need to do is find a trusted electronic signature application to help simplify the signing process. We highly recommend using Fill. When you sign up with Fill, you can download our free desktop application for your Mac computer, or you can simply go to our website to access your account. We pride ourselves on having a sleek and simple interface that’s very easy to use and navigate.

Simply upload your PDF document to Fill. To sign a PDF on Mac using Fill, click Insert Signature. You can either draw your signature using your mouse, type your signature, or upload a digital copy of your signature. Then click Done.

In recent years, there has been a significant increase in organizations switching to digital or electronic solutions, especially in terms of signing documents and filling out paperwork. In that light, it is not surprising that many companies have come out offering electronic signature applications and solutions. The number of choices is quite overwhelming.

So what makes Fill one of the best PDF signature apps on Mac? One of the things that make Fill a standout electronic signature app is that it is incredibly easy to use. Our signing process is pretty straightforward. Even those with the least amount of computer experience will not have a hard time figuring out how to create signature on Mac and how to sign documents on Mac.

Moreover, we offer competitive pricing plans that will help you get more value for your money. With plans starting at $4.17 a month, you can already enjoy our top-rated features. And finally, with Fill, your data is safe and protected. We only use the highest level of security measures to eliminate any threats of unauthorized access, forgery, and document alteration and manipulation.

Customers love it.

Don’t trust us – trust them 🙂

“What usually takes at least 2 or 3 weeks was reduced to 4 days. That in itself is invaluable.”

Abigail Roberts

“I was thrilled by the quality of the customer support. The team were helpful throughout the entire process, I couldn’t be happier with the results – will use again!”

Annabelle Porter

“Simply the best. Better than all the rest. I’d recommend this product to beginners and advanced users.”



“This is a top quality product. No need to think twice before purchasing, you simply could not go wrong”

Jonathan Wilson

“Once again, my expectations have been surpassed – Bravo!”

Brett Thompson

“Finally, I’ve found a template that covers all bases for a bootstrapped startup. We were able to launch in days, not months.”

Anna Souzakis