# Input group

Easily extend form controls by adding text, buttons, or button groups on either side of textual inputs, custom selects, and custom file inputs.

## Basic example

Place one add-on or button on either side of an input. You may also place one on both sides of an input. Remember to place `<label>`s outside the input group.

```html
<div class="input-group mb-3">
  <span class="input-group-text" id="basic-addon1">@</span>
  <input type="text" class="form-control" placeholder="Username" aria-label="Username" aria-describedby="basic-addon1">
</div>

<div class="input-group mb-3">
  <input type="text" class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="basic-addon2">
  <span class="input-group-text" id="basic-addon2">@example.com</span>
</div>

<label for="basic-url" class="form-label">Your vanity URL</label>
<div class="input-group mb-3">
  <span class="input-group-text" id="basic-addon3">https://example.com/users/</span>
  <input type="text" class="form-control" id="basic-url" aria-describedby="basic-addon3">
</div>

<div class="input-group mb-3">
  <span class="input-group-text">$</span>
  <input type="text" class="form-control" aria-label="Amount (to the nearest dollar)">
  <span class="input-group-text">.00</span>
</div>

<div class="input-group mb-3">
  <input type="text" class="form-control" placeholder="Username" aria-label="Username">
  <span class="input-group-text">@</span>
  <input type="text" class="form-control" placeholder="Server" aria-label="Server">
</div>

<div class="input-group">
  <span class="input-group-text">With textarea</span>
  <textarea class="form-control" aria-label="With textarea"></textarea>
</div>
```

## Wrapping

Input groups wrap by default via `flex-wrap: wrap` in order to accommodate custom form field validation within an input group. You may disable this with `.flex-nowrap`.

```html
<div class="input-group flex-nowrap">
  <span class="input-group-text" id="addon-wrapping">@</span>
  <input type="text" class="form-control" placeholder="Username" aria-label="Username" aria-describedby="addon-wrapping">
</div>
```

## Sizing

Add the relative form sizing classes to the `.input-group` itself and contents within will automatically resize—no need for repeating the form control size classes on each element.

**Sizing on the individual input group elements isn't supported.**

```html
<div class="input-group input-group-sm mb-3">
  <span class="input-group-text" id="inputGroup-sizing-sm">Small</span>
  <input type="text" class="form-control" aria-label="Sizing example input" aria-describedby="inputGroup-sizing-sm">
</div>

<div class="input-group mb-3">
  <span class="input-group-text" id="inputGroup-sizing-default">Default</span>
  <input type="text" class="form-control" aria-label="Sizing example input" aria-describedby="inputGroup-sizing-default">
</div>

<div class="input-group input-group-lg">
  <span class="input-group-text" id="inputGroup-sizing-lg">Large</span>
  <input type="text" class="form-control" aria-label="Sizing example input" aria-describedby="inputGroup-sizing-lg">
</div>
```

## Checkboxes and radios

Place any checkbox or radio option within an input group's addon instead of text. We recommend adding `.mt-0` to the `.form-check-input` when there's no visible text next to the input.

```html
<div class="input-group mb-3">
  <div class="input-group-text">
    <input class="form-check-input mt-0" type="checkbox" value="" aria-label="Checkbox for following text input">
  </div>
  <input type="text" class="form-control" aria-label="Text input with checkbox">
</div>

<div class="input-group">
  <div class="input-group-text">
    <input class="form-check-input mt-0" type="radio" value="" aria-label="Radio button for following text input">
  </div>
  <input type="text" class="form-control" aria-label="Text input with radio button">
</div>
```

## Multiple inputs

While multiple `<input>`s are supported visually, validation styles are only available for input groups with a single `<input>`.

```html
<div class="input-group">
  <span class="input-group-text">First and last name</span>
  <input type="text" aria-label="First name" class="form-control">
  <input type="text" aria-label="Last name" class="form-control">
</div>
```

## Multiple addons

Multiple add-ons are supported and can be mixed with checkbox and radio input versions.

```html
<div class="input-group mb-3">
  <span class="input-group-text">$</span>
  <span class="input-group-text">0.00</span>
  <input type="text" class="form-control" aria-label="Dollar amount (with dot and two decimal places)">
</div>

<div class="input-group">
  <input type="text" class="form-control" aria-label="Dollar amount (with dot and two decimal places)">
  <span class="input-group-text">$</span>
  <span class="input-group-text">0.00</span>
</div>
```

## Button addons

```html
<div class="input-group mb-3">
  <button class="btn btn-outline-secondary" type="button" id="button-addon1">Button</button>
  <input type="text" class="form-control" placeholder="" aria-label="Example text with button addon" aria-describedby="button-addon1">
</div>

<div class="input-group mb-3">
  <input type="text" class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="button-addon2">
  <button class="btn btn-outline-secondary" type="button" id="button-addon2">Button</button>
</div>

<div class="input-group mb-3">
  <button class="btn btn-outline-secondary" type="button">Button</button>
  <button class="btn btn-outline-secondary" type="button">Button</button>
  <input type="text" class="form-control" placeholder="" aria-label="Example text with two button addons">
</div>

<div class="input-group">
  <input type="text" class="form-control" placeholder="Recipient's username" aria-label="Recipient's username with two button addons">
  <button class="btn btn-outline-secondary" type="button">Button</button>
  <button class="btn btn-outline-secondary" type="button">Button</button>
</div>
```

## Buttons with dropdowns

```html
<div class="input-group mb-3">
  <button class="btn btn-outline-secondary dropdown-toggle" type="button" data-coreui-toggle="dropdown" aria-expanded="false">Dropdown</button>
  <ul class="dropdown-menu">
    <li><a class="dropdown-item" href="#">Action</a></li>
    <li><a class="dropdown-item" href="#">Another action</a></li>
    <li><a class="dropdown-item" href="#">Something else here</a></li>
    <li><hr class="dropdown-divider"></li>
    <li><a class="dropdown-item" href="#">Separated link</a></li>
  </ul>
  <input type="text" class="form-control" aria-label="Text input with dropdown button">
</div>

<div class="input-group mb-3">
  <input type="text" class="form-control" aria-label="Text input with dropdown button">
  <button class="btn btn-outline-secondary dropdown-toggle" type="button" data-coreui-toggle="dropdown" aria-expanded="false">Dropdown</button>
  <ul class="dropdown-menu dropdown-menu-end">
    <li><a class="dropdown-item" href="#">Action</a></li>
    <li><a class="dropdown-item" href="#">Another action</a></li>
    <li><a class="dropdown-item" href="#">Something else here</a></li>
    <li><hr class="dropdown-divider"></li>
    <li><a class="dropdown-item" href="#">Separated link</a></li>
  </ul>
</div>

<div class="input-group">
  <button class="btn btn-outline-secondary dropdown-toggle" type="button" data-coreui-toggle="dropdown" aria-expanded="false">Dropdown</button>
  <ul class="dropdown-menu">
    <li><a class="dropdown-item" href="#">Action before</a></li>
    <li><a class="dropdown-item" href="#">Another action before</a></li>
    <li><a class="dropdown-item" href="#">Something else here</a></li>
    <li><hr class="dropdown-divider"></li>
    <li><a class="dropdown-item" href="#">Separated link</a></li>
  </ul>
  <input type="text" class="form-control" aria-label="Text input with 2 dropdown buttons">
  <button class="btn btn-outline-secondary dropdown-toggle" type="button" data-coreui-toggle="dropdown" aria-expanded="false">Dropdown</button>
  <ul class="dropdown-menu dropdown-menu-end">
    <li><a class="dropdown-item" href="#">Action</a></li>
    <li><a class="dropdown-item" href="#">Another action</a></li>
    <li><a class="dropdown-item" href="#">Something else here</a></li>
    <li><hr class="dropdown-divider"></li>
    <li><a class="dropdown-item" href="#">Separated link</a></li>
  </ul>
</div>
```

## Segmented buttons

```html
<div class="input-group mb-3">
  <button type="button" class="btn btn-outline-secondary">Action</button>
  <button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-coreui-toggle="dropdown" aria-expanded="false">
    <span class="visually-hidden">Toggle Dropdown</span>
  </button>
  <ul class="dropdown-menu">
    <li><a class="dropdown-item" href="#">Action</a></li>
    <li><a class="dropdown-item" href="#">Another action</a></li>
    <li><a class="dropdown-item" href="#">Something else here</a></li>
    <li><hr class="dropdown-divider"></li>
    <li><a class="dropdown-item" href="#">Separated link</a></li>
  </ul>
  <input type="text" class="form-control" aria-label="Text input with segmented dropdown button">
</div>

<div class="input-group">
  <input type="text" class="form-control" aria-label="Text input with segmented dropdown button">
  <button type="button" class="btn btn-outline-secondary">Action</button>
  <button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-coreui-toggle="dropdown" aria-expanded="false">
    <span class="visually-hidden">Toggle Dropdown</span>
  </button>
  <ul class="dropdown-menu dropdown-menu-end">
    <li><a class="dropdown-item" href="#">Action</a></li>
    <li><a class="dropdown-item" href="#">Another action</a></li>
    <li><a class="dropdown-item" href="#">Something else here</a></li>
    <li><hr class="dropdown-divider"></li>
    <li><a class="dropdown-item" href="#">Separated link</a></li>
  </ul>
</div>
```

## Custom forms

Input groups include support for custom selects and custom file inputs. Browser default versions of these are not supported.

### Custom select

```html
<div class="input-group mb-3">
  <label class="input-group-text" for="inputGroupSelect01">Options</label>
  <select class="form-select" id="inputGroupSelect01">
    <option selected>Choose...</option>
    <option value="1">One</option>
    <option value="2">Two</option>
    <option value="3">Three</option>
  </select>
</div>

<div class="input-group mb-3">
  <select class="form-select" id="inputGroupSelect02">
    <option selected>Choose...</option>
    <option value="1">One</option>
    <option value="2">Two</option>
    <option value="3">Three</option>
  </select>
  <label class="input-group-text" for="inputGroupSelect02">Options</label>
</div>

<div class="input-group mb-3">
  <button class="btn btn-outline-secondary" type="button">Button</button>
  <select class="form-select" id="inputGroupSelect03" aria-label="Example select with button addon">
    <option selected>Choose...</option>
    <option value="1">One</option>
    <option value="2">Two</option>
    <option value="3">Three</option>
  </select>
</div>

<div class="input-group">
  <select class="form-select" id="inputGroupSelect04" aria-label="Example select with button addon">
    <option selected>Choose...</option>
    <option value="1">One</option>
    <option value="2">Two</option>
    <option value="3">Three</option>
  </select>
  <button class="btn btn-outline-secondary" type="button">Button</button>
</div>
```

### Custom file input

```html
<div class="input-group mb-3">
  <label class="input-group-text" for="inputGroupFile01">Upload</label>
  <input type="file" class="form-control" id="inputGroupFile01">
</div>

<div class="input-group mb-3">
  <input type="file" class="form-control" id="inputGroupFile02">
  <label class="input-group-text" for="inputGroupFile02">Upload</label>
</div>

<div class="input-group mb-3">
  <button class="btn btn-outline-secondary" type="button" id="inputGroupFileAddon03">Button</button>
  <input type="file" class="form-control" id="inputGroupFile03" aria-describedby="inputGroupFileAddon03" aria-label="Upload">
</div>

<div class="input-group">
  <input type="file" class="form-control" id="inputGroupFile04" aria-describedby="inputGroupFileAddon04" aria-label="Upload">
  <button class="btn btn-outline-secondary" type="button" id="inputGroupFileAddon04">Button</button>
</div>
```

## Customizing

### SASS variables
```scss
$input-group-addon-padding-y:           $input-padding-y;
$input-group-addon-padding-x:           $input-padding-x;
$input-group-addon-font-weight:         $input-font-weight;
$input-group-addon-color:               $input-color;
$input-group-addon-bg:                  var(--#{$prefix}tertiary-bg);
$input-group-addon-border-color:        $input-border-color;

```

<h2 id="coreui-vs-bootstrap">CoreUI vs Bootstrap <a class="anchor-link" href="#coreui-vs-bootstrap" aria-label="Link to this section: CoreUI vs Bootstrap"></a></h2>
<p>While this Input Group component is fully compatible with Bootstrap and follows its core principles, CoreUI delivers a more complete solution for modern app development.</p>
<p><strong>What sets CoreUI apart from Bootstrap?</strong></p>
<ul>
<li>✅ <strong>Fully compatible with Bootstrap</strong> – Built directly on Bootstrap, all classes and behaviors work as expected.</li>
<li>🧠 <strong>Framework-native versions</strong> – CoreUI provides dedicated libraries for <a href="https://coreui.io/react/">React.js</a>, <a href="https://coreui.io/vue/">Vue.js</a>, and <a href="https://coreui.io/angular/">Angular</a>, unlike Bootstrap which relies on third-party plugins for JavaScript frameworks.</li>
<li>👨‍💻 <strong>Maintained by a full-time team</strong> – CoreUI is developed as a professional product, not a volunteer-driven project.</li>
<li>📦 <strong>More built-in components</strong> – Includes additional ready-to-use components like range sliders, multi-selects, steppers, etc.</li>
<li>🛠️ <strong>Sass Modules support today</strong> – CoreUI already supports Sass Modules, which are planned for Bootstrap 6.</li>
<li>🌍 <strong>Better LTR/RTL support</strong> – Uses modern CSS logical properties for seamless bidirectional layout support.</li>
<li>🔒 <strong>LTS (Long-Term Support)</strong> – Bootstrap now offers LTS only via paid third parties like HeroDevs, while CoreUI continues to offer long-term support natively and for free.</li>
</ul>
<p>Whether you&rsquo;re building internal tools, dashboards, or SaaS platforms — CoreUI combines the familiarity of Bootstrap with a more powerful, scalable, and production-ready ecosystem.</p>
<p>👉 <a href="https://coreui.io/bootstrap/">Explore CoreUI Bootstrap Components</a><br>
👉 <a href="https://coreui.io/bootstrap/docs/getting-started/introduction/#coreui-vs-bootstrap">Compare CoreUI vs Bootstrap</a></p>
