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See the best apps for digitally signing documents on your cell phone, for free, on Android and iOS systems.

Digital signatures are widely used nowadays, being facilitated by applications.

It is no longer necessary to scan or print documents to be signed, making it possible to do everything digitally.

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These applications also make it easier to share signed documents across different platforms, helping to speed up tasks.

Check out the digital document signature applications below.

Adobe Acrobat Reader

This first app, which uses the Portuguese language, makes its resources available to the user after logging in through Gmail, Facebook and App, having an account linked to the Adobe ID.

After registering on the app, the user must:

  • Go to the “Fill out and Sign” option, located on the home screen;
  • Choose a file to sign from your cell phone storage;
  • To sign, you can use the virtual pen or insert a photo of the signature;
  • After signing the document, the user can share it through various means, such as email;
  • It will also be possible to save the signed document on your cell phone or on a cloud platform.
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This application only accepts documents that are in PDF to be signed.

Digital signatures made through the app are saved in Adobe Reader itself, and can be easily used on future occasions.

The Adobe Acrobat Reader application can be found at android It is iOS.

Microsoft 365 (Office)

This second application has an exclusive section for digitally signing documents, and is offered free of charge.

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Below, see the step-by-step guide to signing your document:

  • Log in to the app using a Microsoft account;
  • Go to the “Actions” option in the bottom menu;
  • Then, tap “Sign a PDF”;
  • Select the document you want to sign;
  • Sign the document by touching the device screen;
  • The signature can be moved to any area of the document, and it is also possible to change the color of the writing;
  • After finishing all changes, the user can save their signature to use later and share the document.

This app also only accepts the signing of documents in PDF format.

Microsoft 365 (Office) can be found at android It is iOS.

DocuSign

The third application also allows the user to sign documents digitally after logging in with their email and password in the app.

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In it, the user must open a file, which can be a PDF or image, uploading from their cell phone or the cloud.

It also allows you to scan documents for signature using the device's camera.

To scan a document, just tap the “More” option.

To sign a document, the user must tap “Sign Now” and use the app’s virtual pen to do so.

The cell phone stores all documents signed by DocuSign, and the user can share them in different ways.

Through the free version of the app, it is possible to forward three files, and it is not possible to take a screenshot of the screen at the time of subscribing.

The DocuSign app can be found for download on systems android It is iOS.