Flutter image and video upload

When using the Flutter SDK, you can use one of several options to upload files directly to Cloudinary without the need for server-side operations or authentication signatures.

On this page:

• Upload options
  • Upload endpoint
  • Upload endpoint video tutorial
  • Upload widget
• Code examples

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Upload options

Upload endpoint

The upload endpoint is https://api.cloudinary.com/v1_1/<CLOUD_NAME>/upload. To use the endpoint in your application, write a function that calls the Cloudinary upload endpoint and pass:

• An unsigned upload preset with the upload method options you want to apply for all files
• The file(s) to upload
• Other unsigned upload parameters to apply to the selected files (e.g. tags, if needed).

For example:

dependencies:
  cloudinary_api: ^<latest_version>
  http: ^0.13.5

import 'package:cloudinary_api/uploader/cloudinary_uploader.dart';
import 'package:cloudinary_url_gen/cloudinary.dart';
import 'package:cloudinary_api/src/request/model/uploader_params.dart';

void upload() async {
  File file = <your_file>;
    Cloudinary cloudinary = Cloudinary.fromCloudName(cloudName: "<your_cloud_name>");
    final response = await cloudinary.uploader().upload(
      file,
      params: UploadParams(uploadPreset: "<your_upload_preset>", type: "raw"),
    );
    print("Upload success: $response");
}

Upload endpoint video tutorial

Watch this video tutorial to see how to upload images from your Flutter app to Cloudinary using the Upload API:

Tutorial contents

Upload widget

The Upload widget is a ready-made, responsive user interface that enables your users to upload files from a variety of sources directly to Cloudinary. You can customize and embed this UI in a WebView Flutter widget with just a few lines of code.

Check out the following Upload Widget code explorer that you can fork to try out some sample configuration changes:

This code is also available in GitHub.

Code examples

• Code sample: Implement the upload widget.
• CodeSandbox: Upload multiple files using a form in pure JavaScript using the Cloudinary upload endpoint.