The Markup feature in iOS 12 has become even more versatile. It allows you to edit screenshots and photos, adjust the level of transparency and thickness of the text, as well as sign documents in PDF format.
Using the Markup tool, you can add your digital signature to PDF documents on iPhone, iPad, that’s about it today and will be discussed.
You can add a signature to the PDF file or manually sign the document in any application where Markup tools are available, including Mail, Photo, Safari, Notes, Files, etc. Apple added Markup tools to macOS, so documents can be signed in the Preview program using the trackpad.
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Digital signature for documents is a very convenient feature. Suppose you have already left work, and here you are sent an important document that you need to urgently sign. Thanks to Markup you don’t have to print it out, sign it with a pen and scan it to send it back.
How to Sign a PDF Document on iPhone and iPad
- Open any PDF document (for example, serch it in Safari);
- Tap on the display in the workspace once to display the control panel, and then click on the icon with the “Share” in the bottom;

- Click on “Creat PDF”;

- Next click on “Markup Icon” at the top after that you will enter the markup mode. Again, in the lower right corner is the icon responsible for creating a digital signature looks like (+). Click on it;
- Click on “Signature”;

- On the Layout page, place the finished signature in the right place. If necessary, select the desired scale and color;

- After editing click “Done”;

- It remains only to add signature preset to the PDF file;

- Spot your signature and click “Done”;

- In the end you need to “Save File To…”.

Conclusion
For example, you can easily sign any image in the Photos application. Or, you can sign PDF documents from third-party cloud storage through the Files application. In addition, you can quickly send someone a signed document without leaving the Mail application
All this and more allow Markup tools to be done. On iPad Pro and iPad, you can also sign documents using the Apple Pencil.
It’s the best time to ask questions and give us your feedback in comments.