Load document from Azure Blob Storage

Following code snippet shows how to convert a document from Azure Blob Storage:

public static void Run()
    string blobName = "sample.docx";
    string outputFile = Path.Combine("c:\output", "converted.pdf");
    using (Converter converter = new Converter(() => DownloadFile(blobName)))
        PdfConvertOptions options = new PdfConvertOptions();
        converter.Convert(outputFile, options);
public static Stream DownloadFile(string blobName)
    CloudBlobContainer container = GetContainer();
    CloudBlob blob = container.GetBlobReference(blobName);
    MemoryStream memoryStream = new MemoryStream();
    memoryStream.Position = 0;
    return memoryStream;
private static CloudBlobContainer GetContainer()
    string accountName = "***";
    string accountKey = "***";
    string endpoint = $"https://{accountName}.blob.core.windows.net/";
    string containerName = "***";
    StorageCredentials storageCredentials = new StorageCredentials(accountName, accountKey);
    CloudStorageAccount cloudStorageAccount = new CloudStorageAccount(
        storageCredentials, new Uri(endpoint), null, null, null);
    CloudBlobClient cloudBlobClient = cloudStorageAccount.CreateCloudBlobClient();
    CloudBlobContainer container = cloudBlobClient.GetContainerReference(containerName);
    return container;

More resources

GitHub Examples

You may easily run the code above and see the feature in action in our GitHub examples:

Free Online Document Converter Apps

Along with full-featured .NET library we provide free Apps and free services for document conversion. In order to see a full potential of GroupDocs.Conversion, you are welcome to convert DOC to PDF, DOC to XLSX, PDF to DOC, PDF to XLSX, PPT to DOC and more with Free Online Document Converter App or get a full advantage of Free Online Document Converter Suite with advanced conversion settings and many more enterprise built-in features.

Please note that more premium features, advanced options and enhanced document management experience is available for signed-in users at conholdate.app for FREE.
If you don’t own an account yet, register it now for free! No credit card is required!