---
title: Input mask
description: An input mask is a used to clarify the input format required in a given field and is helpful for users, removing confusion and reducing the number of validation errors.
---
To be able to use the input mask in your application you will need to install the imask dependency with `npm install imask`.
## Default markup
Use an input mask in the fields where users have to enter their phone number, to make the formatting rules clear and help them avoid confusion.
```html example code centered columns={1}
```