An enhanced FileInput widget for Bootstrap 3.x with file preview, multiple selection, and more features (sub repo split from yii2-widgets)

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v999.1 2016-01-12 08:23 UTC

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Last update: 2022-06-26 14:50:48 UTC


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The FileInput widget is a customized file input widget based on Krajee's Bootstrap FileInput JQuery Plugin. The widget enhances the default HTML file input with various features including the following:

  • Specially styled for Bootstrap 3.0 with customizable buttons, caption, and preview
  • Ability to select and preview multiple files
  • Includes file browse and optional remove and upload buttons.
  • Ability to format your file picker button styles
  • Ability to preview files before upload - images and/or text (uses HTML5 FileReader API)
  • Ability to preview multiple files of different types (both images and text)
  • Set your upload action/route (defaults to form submit). Customize the Upload and Remove buttons.
  • Internationalization enabled for easy translation to various languages

NOTE: This extension is a sub repo split of yii2-widgets. The split has been done since 08-Nov-2014 to allow developers to install this specific widget in isolation if needed. One can also use the extension the previous way with the whole suite of yii2-widgets.


The preferred way to install this extension is through composer. Check the composer.json for this extension's requirements and dependencies. Read this web tip /wiki on setting the minimum-stability settings for your application's composer.json.

To install, either run

$ php composer.phar require kartik-v/yii2-widget-fileinput "@dev"

or add

"kartik-v/yii2-widget-fileinput": "@dev"

to the require section of your composer.json file.

Latest Release

NOTE: The latest version of the module is v1.0.4. Refer the CHANGE LOG for details.


You can refer detailed documentation and demos on usage of the extension.


use kartik\file\FileInput;

// Usage with ActiveForm and model
echo $form->field($model, 'avatar')->widget(FileInput::classname(), [
    'options' => ['accept' => 'image/*'],

// With model & without ActiveForm
echo '<label class="control-label">Add Attachments</label>';
echo FileInput::widget([
    'model' => $model,
    'attribute' => 'attachment_1',
    'options' => ['multiple' => true]


yii2-widget-fileinput is released under the BSD 3-Clause License. See the bundled for details.