5 Best Free PDF Signing Tools for 2021


Technology has made it possible to complete any paperwork, contracts, or legal documents online without any physical paper. You no longer have to print papers and sign manually for a contract or document to become legally binding. Many enterprises are choosing paperless business operations for their seamlessness and efficiency.

Traditionally, if you want to sign a PDF document, you have to download, print, sign, scan, and convert it to a PDF file again. However, with an e-signature, you do not have to go through all these. You can sign on the document electronically without printing a single paper. It is easy and seamless. To use the e-signature feature, you would need to use an esign tool.

1. Signature Generator

There is no doubting the fact that you can get the best esign service at Signature Generator. The tool is web-based and it is compatible with Windows, Android, Mac iOS, and other operating systems. It is one of the most reputable electronic signature tools out there. Using Signature Generator is quite easy and you do not require any technical skill. Follow the steps below to use this tool:

Step 1: Register for a free account to start using the e-signature tool. All you have to do to sign a PDF file on the platform is to upload the document and use the e-sign tool to sign your document.

Step 2: Prepare a document on the platform and share the link with recipients. You can also choose from available templates and adapt to your needs. The recipients can access the site and append their signatures on the PDF document.

Step 3: Track documents to see the signing process with the recipients. There are many features that you can use on Signature Generator that make your digital signature process very seamless.

If you want to explore all the features available on this site, it is recommended that you sign up for the paid version. With this, you will be able to sign as many PDF files and other document types as you want.

2. HelloSign

Owned by Dropbox, HelloSign is a very simple-to-use digital signature software. Users have two options, which include sign or send, and create a template. This means you can upload a PDF file and sign it directly on the platform. You can also share PDF documents with multiple signatories to request their signatures. HelloSign has a simple user interface but the features are exceptional.

It seamlessly integrates with cloud storage platforms and it also works with Box, OneDrive, Google Drive, and Evernote. Users can sign a PDF file from their Dropbox files. All you have to do to get this done is to select the ‘Sign or Send’ option. Next, click the Dropbox icon to open the file browser.

Browse through your computer files to locate the PDF file that you want to sign. Click the ‘Choose’ button to import the file into HelloSign. You can do a lot with the HelloSign tool and signing PDF files is one of the top features you can access.

3. Preview

This PDF signing tool is specifically designed for Mac devices. Preview does not require that you install any app on your device. You can sign on any PDF document directly on Preview. To use this tool, you have to open the Preview feature on your device and open the PDF document on it. Go to ‘Tools’ and then ‘Annotate’. From here, click ‘Signature’ and then ‘Manage Signatures’.

Next, click ‘Create Signature’ to draw, type, or upload your signature. When you are done creating the signature, click the ‘Done button. You can proceed to drag the signature to the space provided for the signature. Next, save the document and open your folder. Preview is an add-on feature for Mac devices. This means it is free, that is if you use a Mac device.

4. Adobe Reader

Although Windows does not have a feature like Preview, devices using the Windows operating system can sign PDF documents using the Adobe Acrobat Reader DC software. If you use a Windows-enabled device, there is a high chance that you already have Adobe Reader installed on your device. If you have not, you can easily download it from the Adobe website for free.

To use this software to sign a PDF document, open the document in Adobe Reader and select ‘Fill & Sign’ from the right sidebar. Click the ‘Sign’ button and then ‘Add Signature’. You can draw your signature, upload your signature, or write your name and convert it into a Signature. Next, drag the signature to the space provided for it and save the document on your device.

5. eSignatures.io

This is a web-based electronic signature app that is convenient to use. You can create a free account on the platform; you can start using the e-signature tool on the site. To get started, eSignature.io recommends that you sign and send a sample document to yourself to see how it works. This tool is perfect for bulk contract signing.

This means that if you want multiple recipients to sign on a single document, you can create a contract template or use any of the available options on the site to create the document. You will find numerous PDF templates that you can edit to fit your purpose. You can decide to create your contract from scratch while using the sample contract as a base.

To get started, choose the template of your choice and click on the ‘New Contract’ menu. You can upload the PDF file you want to sign on the platform and follow the prompting.


There you have the five best free PDF signing tools for 2021. Are you ready to sign a PDF file or any other file type electronically? Any of these five tools would be perfect for the job.

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