Can I use a service account?

Yes, just paste the contents of the JSON file downloaded from the IAM GCP console.

Object Storage (S3)OAuth / JSON Service Account key

Google Cloud Storage

Visual Explorer for Google Cloud Storage (GCP) Buckets

Overview of Google Cloud Storage Integration

Browse your Google Cloud Storage buckets from the desktop. Sign in with OAuth or a service account key, or open public buckets anonymously.

OAuth, service account JSON key or anonymous access
Location and storage class for new buckets
MD5 integrity checks during transfers

In-App Configuration Dialog

Capture Google Cloud Storage — Ultra Explorer — Google Cloud Storage configuration in Ultra Explorer: OAuth 2.0 support or JSON service account file.

How to connect Google Cloud Storage in Ultra Explorer

Choose Google Cloud Storage

Select GCS from the list of object stores.
Choose authentication mode

Use the interactive OAuth flow or paste the JSON key for a service account.
Validate and explore

Your Google Cloud Storage buckets appear instantly.

Configuration fields

Storage Name

Required

name= Google Cloud Storage

Unique identifier for this storage remote in Ultra Explorer (e.g. gdrive-perso, backup-s3).Default value: Google Cloud Storage

OAuth Client ID

Optional

client_id

Optional. Leave blank to use default credentials, or provide your own registered OAuth application Client ID.

OAuth Client Secret

Optional

client_secret

Optional. Client Secret corresponding to your custom OAuth application.

GCP Project Number / ID

Optional

project_number

Optional. Google Cloud Project Number or ID (e.g. my-project-123456).

Service Account (JSON)

Optional

service_account_credentials

Optional. Direct headless alternative to browser OAuth. Paste the full JSON key content of your Google Cloud Service Account.

Public Anonymous Access

Optional

anonymous= false

Optional. Allows exploring and downloading public buckets and objects without any credentials.Default value: false

Default Bucket Location

Optional

location

Optional. Default geographic region for newly created buckets (e.g. europe-west1, us-central1).

Default Storage Class

Optional

storage_class= STANDARD

Optional. Default storage class for newly uploaded objects (e.g. STANDARD, STANDARD_IA, GLACIER, DEEP_ARCHIVE, INTELLIGENT_TIERING).Default value: STANDARD