4 Exceptional Adobe Acrobat Alternatives to Sign PDF

How to Sign PDF with Adobe Acrobat Alternatives

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Since the emergence of fillable PDF forms, PDF editors with PDF signing capabilities have been sought after. However, this is not something that a regular PDF viewer can accomplish, as it is a delicate process. Adobe Acrobat in particular, is one of the few PDF editing tools with the ability to sign PDF documents accurately. However, Adobe Acrobat does not come for free, as it needs a licensed version to enjoy all its premium features. Luckily, users won’t have to spend that much if they use alternatives to add signature to PDF Acrobat. Continue reading to learn how to sign PDF with Adobe Acrobat alternatives and see the difference between each tool.

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AceThinker PDF Writer

acethinker pdf writerAceThinker PDF Writer is an application similar to Adobe Acrobat in many ways. Not only are they both reliable PDF editing tools, but both also have the capabilities to sign PDF. AceThinker PDF Writer is also capable of other things like merging PDF together, extract PDF pages and even convert PDF into other format. The sign feature of AceThinker PDF Writer is capable of adding a pre-made signature which are in image format. There is also the option to type, and draw the signature to a PDF page where the signature is needed. To learn how to use AceThinker PDF Writer, follow the steps below.

Step1 Download and install AceThinker PDF Writer

Get the installer of AceThinker PDF Writer by clicking one of the buttons below. Once download is complete, launch the installer and then proceed to the installation process by following the instructions of the setup wizard.

Try it for Free

Free Download

win xp win7810

Secure Download

Free Download

OS X 10.10

Secure Download

Step2 Sign the PDF document

Once the tool is installed, open the PDF document and then click the “Sign” tab. From the options that will appear, select “Sign” and then choose “Sign Field.” Go back to the editing panel and then drag the mouse pointer to the section where to add the signature and then release, type-in the signature from the window that will appear.

sign the pdf

Step3 Apply the changes made

To permanently apply the signature to the PDF document, save the file. To do so, click the file tab and then select the “Save” or “Save as” buttons. From the file explorer window that will appear, select where the file will be saved.

save the file

Comparison: Adobe Acrobat Reader VS AceThinker PDF Writer

As mentioned above, AceThinker PDF Writer is the top choice for Adobe Acrobat alternative when it comes to adding signatures to PDF documents. And the further help users decide which application to trust, here is a comparative chart for both tools. Note that, Acethinker PDF Writer is priced and $29.95 for an annual subscription while Adobe Acrobat is priced at $158.00 for the annual plan.

AceThinker PDF WriterAdobe Acrobat Reader
Customer Support
Create Fillable Forms
Supports Windows
Supports Mac
Edit text and images
Create PDF
Convert PDF
Sign PDF
Mac Preview

preview logoPreview is a pre-installed Mac application for viewing PDF and images. Another feature of Preview, is that it is able to add signature to PDF documents. As a PDF viewer, Preview is decent enough because it is capable of viewing PDF documents in clear-quality. Also, it has a decent set of PDF editing tools, like text and image editor, and even a PDF signing feature. Preview is sufficient enough for those who casually uses PDF editors because, first of all it is free, and provides essential options for PDF editing. To use the tool to sign PDF documents, launch it from the “Finder” app, and then open a PDF document using Preview. Next, click the “Toolbox” icon and from the set of options that will appear, select the “Sign” icon. Choose where to place the signature and then apply the changes by clicking the “File” tab and selecting “Save.”



DocuSignDocuSign is an Android application which is capable of signing digital documents like PDF. This is another great alternative to Adobe Acrobat when it comes to signing PDF documents, because it is free to download from the Google Play Store. Additionally, DocuSign is a portable way to sign documents anytime and anywhere. To sign a PDF document, install DocuSign from the Google Play Store by tapping the install button. After installation, launch the app by tapping the DocuSign icon from the home menu. For starters, tap the “Sign-up” button if a new user of the tool. For those who already have an account with DocuSign, proceed to the log-in screen. Once on the tool page, tap the “Add” icon and then look for the PDF document to sign. To add the signature, double-tap the part that must be signed, and then choose between two options. The “Draw Signature” button allows users to use the mobile touch-screen as a touch pad to draw the signature. The other one allows users to add the signature as an image, if there is one on the files. Once the signature is in place, tap the “Finish” button to apply the changes and save the signature on the PDF document.

docusign app


SignEasySignEasy is another Adobe Acrobat alternative tool application for signing digital documents, especially PDF. SignEasy is free to download from the Apple App Store which makes it very convenient to sign any PDF form from almost anywhere at any given time. To download the tool, launch the Apple App Store from an iOS device and then tap the “Get” button. Once the app is installed, launch it from the home screen by tapping the “SignEasy” icon to reach the app-screen. Immediately open the PDF document using the tool and then tap the “Signature” button at the bottom part of the screen. Type or draw the signature from the new window that will appear and then tap “OK” to apply it. The changes will be automatically added to the PDF document using the autosave feature of “SignEasy.”

easysign ios app


Signing a PDF document is a feature not an exclusive feature for Adobe Acrobat. This is the reason why users look for worthy alternatives to spend their money on, for practical purposes. On that note, the tools mentioned above not only serves as great way to add Adobe Acrobat signature, but is a great way to save money as well. This is true, especially in the case of AceThinker PDF Writer, because not only does it have multitude of amazing features, but can accurately place a signature on any PDF document.

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How to Sign PDF with Adobe Acrobat Alternatives

August 30, 2019

Post By Bryan to PDF Writer

Last updated on September 20, 2019

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