Downloading Objects

This page shows you how to download objects from your buckets in Cloud Storage. For an overview of objects, read the Key Terms.

Console

  1. Open the Cloud Storage browser in the Google Cloud Platform Console.
    Open the Cloud Storage browser

  2. In the list of buckets, click on the name of the bucket that contains the object you want to download, and navigate to the object.

  3. Right-click on the object you want to download.

  4. Save the object to your desired local folder.

    For the Chrome browser, the save option appears as Save Link As...

gsutil

Use the gsutil cp command, replacing [VALUES_IN_BRACKETS] with the appropriate values:

gsutil cp gs://[BUCKET_NAME]/[OBJECT_NAME] [OBJECT_DESTINATION]

If successful, the response looks like the following example:

Operation completed over 1 objects/58.8 KiB.

Code samples

C#

For more information, see the Cloud Storage C# API reference documentation . 

private void DownloadObject(string bucketName, string objectName,
    string localPath = null)
{
    var storage = StorageClient.Create();
    localPath = localPath ?? Path.GetFileName(objectName);
    using (var outputFile = File.OpenWrite(localPath))
    {
        storage.DownloadObject(bucketName, objectName, outputFile);
    }
    Console.WriteLine($"downloaded {objectName} to {localPath}.");
}

Go

For more information, see the Cloud Storage Go API reference documentation . 

rc, err := client.Bucket(bucket).Object(object).NewReader(ctx)
if err != nil {
	return nil, err
}
defer rc.Close()

data, err := ioutil.ReadAll(rc)
if err != nil {
	return nil, err
}
return data, nil

Java

For more information, see the Cloud Storage Java API reference documentation . 

// The name of the bucket to access
// String bucketName = "my-bucket";

// The name of the remote file to download
// String srcFilename = "file.txt";

// The path to which the file should be downloaded
// Path destFilePath = Paths.get("/local/path/to/file.txt");

// Instantiate a Google Cloud Storage client
Storage storage = StorageOptions.getDefaultInstance().getService();

// Get specific file from specified bucket
Blob blob = storage.get(BlobId.of(bucketName, srcFilename));

// Download file to specified path
blob.downloadTo(destFilePath);

Node.js

For more information, see the Cloud Storage Node.js API reference documentation . 

// Imports the Google Cloud client library
const {Storage} = require('@google-cloud/storage');

// Creates a client
const storage = new Storage();

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// const bucketName = 'Name of a bucket, e.g. my-bucket';
// const srcFilename = 'Remote file to download, e.g. file.txt';
// const destFilename = 'Local destination for file, e.g. ./local/path/to/file.txt';

const options = {
  // The path to which the file should be downloaded, e.g. "./file.txt"
  destination: destFilename,
};

// Downloads the file
storage
  .bucket(bucketName)
  .file(srcFilename)
  .download(options)
  .then(() => {
    console.log(
      `gs://${bucketName}/${srcFilename} downloaded to ${destFilename}.`
    );
  })
  .catch(err => {
    console.error('ERROR:', err);
  });

PHP

For more information, see the Cloud Storage PHP API reference documentation . 

use Google\Cloud\Storage\StorageClient;

/**
 * Download an object from Cloud Storage and save it as a local file.
 *
 * @param string $bucketName the name of your Google Cloud bucket.
 * @param string $objectName the name of your Google Cloud object.
 * @param string $destination the local destination to save the encrypted object.
 *
 * @return void
 */
function download_object($bucketName, $objectName, $destination)
{
    $storage = new StorageClient();
    $bucket = $storage->bucket($bucketName);
    $object = $bucket->object($objectName);
    $object->downloadToFile($destination);
    printf('Downloaded gs://%s/%s to %s' . PHP_EOL,
        $bucketName, $objectName, basename($destination));
}

Python

For more information, see the Cloud Storage Python API reference documentation . 

def download_blob(bucket_name, source_blob_name, destination_file_name):
    """Downloads a blob from the bucket."""
    storage_client = storage.Client()
    bucket = storage_client.get_bucket(bucket_name)
    blob = bucket.blob(source_blob_name)

    blob.download_to_filename(destination_file_name)

    print('Blob {} downloaded to {}.'.format(
        source_blob_name,
        destination_file_name))

Ruby

For more information, see the Cloud Storage Ruby API reference documentation . 

# project_id  = "Your Google Cloud project ID"
# bucket_name = "Your Google Cloud Storage bucket name"
# file_name   = "Name of file in Google Cloud Storage to download locally"
# local_path  = "Destination path for downloaded file"

require "google/cloud/storage"

storage = Google::Cloud::Storage.new project: project_id
bucket  = storage.bucket bucket_name
file    = bucket.file file_name

file.download local_path

puts "Downloaded #{file.name}"

REST APIs

JSON API

  1. Get an authorization access token from the OAuth 2.0 Playground. Configure the playground to use your own OAuth credentials.
  2. Use cURL to call the JSON API with a GET Object request, replacing [VALUES_IN_BRACKETS] with the appropriate values: 
    curl -X GET \
    -H "Authorization: Bearer [OAUTH2_TOKEN]" \
    -o "[SAVE_TO_LOCATION]" \
    "https://www.googleapis.com/storage/v1/b/[BUCKET_NAME]/o/[OBJECT_NAME]?alt=media"

XML API

  1. Get an authorization access token from the OAuth 2.0 Playground. Configure the playground to use your own OAuth credentials.
  2. Use cURL to call the XML API with a GET Object request, replacing [VALUES_IN_BRACKETS] with the appropriate values: 
    curl -X GET \
    -H "Authorization: Bearer [OAUTH2_TOKEN]" \
    -o "[SAVE_TO_LOCATION]" \
    "https://storage.googleapis.com/[BUCKET_NAME]/[OBJECT_NAME]"

To easily download all objects in a bucket or subdirectory, use the gsutil cp command.

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