File Upload

Ajax Uploader: Lightweight File Upload for ASP.NET

Real-time upload progress, multiple files, drag-and-drop support. Secure, lightweight, and easy to integrate.

Learn More Integration Guide
Why Ajax Uploader

Simple, secure, fast.

DRAG

Drag and drop

Let users drag files from their desktop. Modern, intuitive, and familiar to everyone.

PROG

Real-time progress

Show upload progress as it happens. No guessing. Users see exactly where you are.

MULTI

Multiple files

Upload 1 file or 100. Queue them up. Process in parallel or sequentially. Your choice.

SEC

Secure validation

Validate on client and server. Check file type, size, and contents. Prevent malicious uploads.

IMG

Image resizing

Resize images on upload. Create thumbnails. Optimize file sizes automatically.

API

Simple API

Drop a control in your form. Set allowed extensions. Handle the uploaded file. That's it.

Use Cases

Built for every upload scenario.

  • User profile pictures with auto-resize
  • Document uploads with virus scanning
  • Multiple file selection for batch operations
  • Avatar uploads with cropping
  • Resume uploads for job applications
  • Media gallery uploads
  • Bulk image imports
  • CSV file uploads for data import
Add file upload

Lightweight, secure file uploads.

Real-time progress, drag-and-drop, multiple files, and image handling. Simple to integrate.

Explore Ajax Uploader View Examples