---
title: Formatter Utils
desc: >-
  A set of Quasar methods for formatting values. Capitalizing, padding,
  normalizing and more.
---
### Helping Tree-Shake

You will notice all examples import `format` Object from Quasar. However, if you need only one formatter method from it, then you can use destructuring to help Tree Shaking embed only that method and not all of `format`.

Example:

```js
// we import all of `format`
import { format } from 'quasar'
// destructuring to keep only what is needed
const { capitalize, humanStorageSize } = format

console.log(capitalize('some text'))
// Some text
console.log(humanStorageSize(13087))
// 12.8kB
```

You can also import all formatters and use whatever you need like this (but note that your bundle will probably contain unused methods too):

```js
import { format } from 'quasar'

console.log(format.capitalize('some text'))
console.log(format.humanStorageSize(13087))
```

> [!TIP]
> For usage with the UMD build see [here](../start/umd.md#quasar-global-object).

## Capitalize

```js
import { format } from 'quasar'
const { capitalize } = format

console.log(capitalize('some text'))
// Some text
```

## Format to Human Readable Size

```js
import { format } from 'quasar'
const { humanStorageSize } = format

// humanStorageSize(value, decimals = 1)
// "decimals" param requires Quasar v2.15.3+

console.log(humanStorageSize(13087))
// 12.8KB

console.log(humanStorageSize(1024 * 1024 * 2.25, 3))
// 2.250MB
```

## Normalize Number to Interval

```js
import { format } from 'quasar'
const { between } = format

// (Number) between(Number, Number min, Number max)
console.log(between(50, 10, 20))
// 20
```

```js
import { format } from 'quasar'
const { normalizeToInterval } = format

// (Number) normalizeToInterval(Number, Number lower_margin, Number upper_margin)

console.log(normalizeToInterval(21, 10, 20)) // 10
console.log(normalizeToInterval(33, 10, 20)) // 11
console.log(normalizeToInterval(52, 10, 20)) // 19
console.log(normalizeToInterval(5, 10, 16)) // 12
```

## Pad String

```js
import { format } from 'quasar'
const { pad } = format

// (String) pad(String toPad, Number length, String paddingCharacter)
// length is default 2
// paddingCharacter is default '0'
console.log(pad('2', 4))
// '0002'
```