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The ASP.NET MVC File Upload is a control for uploading one or multiple files, images, documents, audio, video, and other files to a server. It is an improved version of the HTML5 upload control (<input type="file">) with a rich set of features that include multiple file selection, progress bars, auto-uploading, drag and drop, folder (directory) uploading, file validation, and more.

Why choose Syncfusion ASP.NET MVC File Upload?

ASP.NET MVC File Upload multiple file upload

Multiple-file upload

Select multiple files and upload them to a server at the same time. This is useful for uploading images to a gallery and for file-sharing applications. 

ASP.NET MVC File Upload drag and drop

Drag and drop

Upload multiple files by simply dragging them from the file explorer to the drop area (drop zone), which is a more user-friendly way to select and upload multiple files. 

ASP.NET MVC File Upload folder

Folder upload

Accepts a folder (directory) as a file source for uploading all the files (including subfolders) of the selected folder.

ASP.NET MVC File Upload AJAX file uploader

AJAX file uploader

Using the AJAX library, the ASP.NET MVC File Upload control easily uploads files in asynchronous mode. 

ASP.NET MVC File Upload utilize chunk upload for large files

Utilize chunk upload for large files

Manage upload of large file uploads efficiently using chunk upload that slices a large file into smaller chunks and uploads to the server in a sequential order asynchronously.

ASP.NET MVC File Upload create your own template designs

Create your own template designs

Allows users to create a custom UI in the ASP.NET MVC File Upload based on their application need using a wide range of template options.

ASP.NET MVC File Upload attractive customizable themes

Attractive customizable themes

Cutting edge design with 5+ built-in themes such as Fluent, Tailwind CSS, Bootstrap, Material, Fabric, and more. Utilize the online Theme Studio tool to customize themes of File Upload easily.

ASP.NET MVC File Upload globalization and localization

Globalization and localization

Enables users from different locales to use the File Upload by formatting dates, currency, and numbering to suit their preferences.

ASP.NET MVC File Upload Code Example

Easily get started with the ASP.NET MVC File Upload using a few simple lines of CSHTML and C# code example as demonstrated below. Also explore our ASP.NET MVC File Upload Example that shows you how to upload files in ASP.NET MVC.

@using Syncfusion.EJ2

@section ControlsSection {
    <div class="col-lg-8 control-section">
        <div class="control_wrapper">
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;

namespace EJ2CoreSampleBrowser.Controllers.TextBoxes
    public class UploaderController : Controller
        public ActionResult DefaultFunctionalities()
            return View();

Resumable upload

A built-in feature is available to pause, resume, retry, and cancel a file upload. This helps users upload high-resolution images, videos,and other large files safely. Additionally, it provides an option to pause and resume automatically based on server connection.

ASP.NET MVC File Upload with pause, resume, retry, and cancel

ASP.NET MVC image upload with its preview thumbnails

Upload images with previews

The ASP.NET MVC File Upload control allows you to upload images and resize images, show an image preview or thumbnail, etc. before uploading them.

Custom file upload button

The action buttons of the ASP.NET MVC File Upload control are completely customizable, including its file list, which helps create your own design for the file upload UI.

ASP.NET MVC File Upload with customized buttons

ASP.NET MVC File Upload validates file type

File types (file extensions)

Upload various file types and limit the file types from client-side, which is mandatory before uploading a file to the web application.

File validation (filter)

Add validation to check file size limits with minimum and maximum ranges, number of files required, total size, and MIME type before uploading a file to a server.

ASP.NET MVC File Upload restricts file size

ASP.NET MVC File Upload process images from clipboard on paste

Paste image to upload

The ASP.NET MVC File Upload control processes images from the clipboard, also. Simply copy and paste the images to be uploaded to a server.

Delete uploaded files

The ASP.NET MVC File Upload control provides a simple interface to delete the wrongly uploaded files from a server.

ASP.NET MVC File Upload removes the uploaded files

ASP.NET MVC File Upload preload uploaded files

Preload uploaded files

Users can configure previously uploaded files from the server. This is useful to view and remove files from the server.


Initiate an automatic upload to upload files immediately upon adding them to the upload queue with the ASP.NET MVC File Upload control.

ASP.NET MVC File Upload with automatic upload

ASP.NET MVC File Upload with progress bar

Progress bar

The ASP.NET MVC File Upload control displays a built-in progress bar (progress indicator) with the progress percentage during each file upload. The bar is completely customizable.

Right-to-left (RTL)

The ASP.NET MVC File Upload control supports right-to-left rendering, which improves the user experience and accessibility for those who use RTL languages.

ASP.NET MVC File Upload with right-to-left mode

Additional parameters

The ASP.NET MVC File Upload control allows you to pass additional parameters along with an upload request as an HTTP header or custom parameters.

Standard HTML forms

The ASP.NET MVC File Uploader control has form support (synchronous mode) to work with native HTML forms.

ASP.NET MVC File Upload covers web accessibility

Web accessibility

  • Fully supports WAI-ARIA accessibility, which allows the ASP.NET MVC File Upload control to be accessed by on-screen readers and assistive devices.
  • Follows the WAI-ARIA Best Practices for implementing keyboard interaction.
  • The UI element visuals, such as foreground color, background color, line spacing, text, and images, were designed based on the WCAG 2.0 standard.

ASP.NET MVC File Upload works well in touch devices

Touch support

The ASP.NET MVC File Upload control provides the best user experience across phone, tablet, and desktop form factors.

Other supported frameworks

The File Upload control is also available in Blazor, Angular, React, Vue, and JavaScript frameworks. Check out the different File Upload platforms from the links below,

Supported browsers

The ASP.NET MVC File Upload works well with all modern web browsers such as Chrome, Firefox, Microsoft Edge, Safari, and Opera.

Supported browsers of ASP.NET MVC File Upload


Frequently Asked Questions

The ASP.NET MVC File Upload control supports various features listed below:

  • Extended version of the HTML5 file upload with a progress bar and flexible UI file list.
  • NET MVC multiple-file upload with form support, drag and drop, progress bar, folder upload, and more.
  • Large file upload with pause, resume, retry, and cancel options using chunking.
  • One of the best ASP.NET MVC File Upload in the market that offers feature-rich UI to interact with the software.
  • Completely customizable using templates.
  • Simple configuration and API.
  • Supports all modern browsers.
  • Mobile-touch friendly and responsive.
  • Expansive learning resources such as demos and documentation to learn quickly and get started with ASP.NET MVC File Upload.

You can find our ASP.NET MVC File Upload demo, which demonstrates how to render and configure the File Upload control.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue, 5 or fewer developers, and 10 or fewer total employees.

A good place to start would be our comprehensive getting started documentation.

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