How to sign digital documents? Download the free app


Signing digital documents nowadays is becoming more and more common, especially in the professional environment, and with the home office this has increased. This saves work and time, which is always a good thing. In addition to being able to sign anywhere with internet.

As this practice is becoming more and more popular, there are already several applications where you can digitally sign a document in just a few steps. So it is no longer necessary to use a scanner, for example.


In some cases you can even upload a photo with the signature already on the document instead of having to sign on the computer. So, if you need to sign your documents this way, or if you know a friend who might need this tip, follow today's post.

sign digital documents
sign digital documents (image taken from Google)

Adobe Reader:

Many people have the Adobe Reader application on their cell phone, but they don't know all its functions. In addition to reading PDF documents, Adobe Reader can also be used to sign digital documents.

The app is available for both Android and iOS. To use the application it is necessary to register with a Gmail, Facebook or Apple account linked to an Adobe ID.

Check out the step by step to sign a document:

  • After registering, tap the “Fill and Sign” button on the home screen and select the file that will receive the signature;
  • You can choose between drawing the signature online with a virtual pen, inserting an image or taking a photo of the digital signature;
  • At the end, you can share the signed document by email, save it in your phone's gallery or in the cloud.

The Adobe Reader app has more than 500 million downloads and has a 4.6 star rating on the Google Play platform and is free.


Sign Digital Manuscript – PDF:

This is another great app option for digitally signing documents. The app “Assine Manuscrito Digital” is free but is only available for Android devices. It has just over 1 million downloads and a 4.5 star rating.

To use the app, you don't need to register, just access the "more" button on the home page to sign a document. It only accepts PDF files from memory card or storage apps like Google Drive or other cloud storage app.

Your digital signature will be made with your fingertips, as if it were a virtual pen. You can save the signed document on your cell phone or send it through your social networks.


This is another successful app in its category. To use the application to sign DocuSign digital documents you need to register with a login and password. It accepts opening PDF or image files, saved in the cell phone or other applications.

In addition, it is still possible to use the tool as a scanner, scanning documents with the cell phone camera. The DocuSign app has more than 5 million users and has a 4.6 star rating on the Google Play platform. You can also download it on iOS devices from the App Store.

To sign a digital document, follow the steps below:

  • When you are already registered and with the app open, tap the “More” button to scan a file of your choice;
  • Choose the “Sign Now” option to sign with a virtual pen;
  • Signed documents are saved in your phone's memory or shared on social media. 
  • With the free version of the app, you can forward up to three signed documents. If you want, you can subscribe to one of the plans starting at US$10.00 (ten dollars) per month.

Microsoft Office:

Microsoft Office is a great tool for anyone who works with a lot of documents every day on their cell phone. It brings together the 3 most used Office suite tools in a single app: Word, Excel and PowerPoint, so you can create and edit documents in the same place.

In addition, it can also be used to sign digital documents. For this, it is necessary to log in with a Microsoft account to use the application, if you do not have one, you must create one on the official website. 

It also only accepts PDF documents. To learn how to make your digital signature pay attention to the following list:

  • Open the “Actions” option in the bottom menu;
  • Tap “Sign a PDF”;
  • Selects the chosen file;
  • Sign up using your cell phone screen. 

You can even move the signature anywhere in the document and change the pen color. At the end it is possible to save the signature to use later. The app has a 4.6 star rating and more than millions of downloads, after all it is an app that you can use for multiple tasks.

Considerations about apps to sign digital documents

If you want to save time at the office or don't have a scanner device at home but need to sign documents every now and then, a digital document signing app is the best choice for you. so try one of the apps on the list and choose what you like best.

To see more posts like this one, check out the Applications category on the Decorama website.

In it you will find articles from different areas, such as app to invest in cryptocurrencies, apps for those who have pets, channels to study for the enem, the best amazon apps, how to have the cnh on your cell phone and many others.