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Sync AWS S3 to Google Cloud Storage — Multi-Cloud Replication with RcloneView

· 2 min read
Tayson
Senior Engineer

Protect your data across clouds—RcloneView enables seamless S3 to GCS replication in minutes.

AWS S3 dominates cloud object storage, but multi-cloud strategies protect against vendor lock-in and enable regional redundancy. Google Cloud Storage offers complementary features, pricing, and compliance capabilities. RcloneView bridges these ecosystems, enabling bi-directional sync, incremental backups, and cost-optimized data management across both platforms.

RcloneView app preview

Manage & Sync All Clouds in One Place

RcloneView is a cross-platform GUI for rclone. Compare folders, transfer or sync files, and automate multi-cloud workflows with a clean, visual interface.

  • One-click jobs: Copy · Sync · Compare
  • Schedulers & history for reliable automation
  • Works with Google Drive, OneDrive, Dropbox, S3, WebDAV, SFTP and more
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Free core features. Plus automations available.

Multi-Cloud Strategy Benefits

Spreading data across S3 and GCS creates redundancy against cloud provider outages, negotiates better pricing through competition, and enables workloads optimized for each platform's strengths. RcloneView orchestrates this complexity, keeping data synchronized without manual scripting or API calls.

Configuring AWS S3 and Google Cloud Storage remotes in RcloneView

Setting Up S3 and GCS in RcloneView

  1. Add AWS S3 with your IAM credentials and region
  2. Add Google Cloud Storage with your service account key
  3. Test both connections and verify bucket access
  4. Configure bucket-level sync policies

RcloneView's multi-cloud dashboard displays both platforms side-by-side for easy comparison.

Real-time sync between AWS S3 and Google Cloud Storage

Incremental Sync and Backups

Create scheduled sync jobs that only transfer changed objects, minimizing egress costs and network bandwidth. RcloneView's bidirectional sync keeps both platforms current, while unidirectional backups protect S3 data in GCS without reverse sync. Version tracking ensures recovery points for any point-in-time restoration.

Scheduling S3 to GCS replication jobs

Cost Optimization and Analytics

Monitor transfer volumes and egress costs across both platforms. RcloneView reports show which objects are synced, transfer sizes, and timing. Identify optimization opportunities like cold storage for infrequently accessed data or regional replication to reduce latency.


Getting Started

  1. Generate AWS IAM credentials with S3 permissions.
  2. Create a Google Cloud service account with GCS permissions.
  3. Download RcloneView from rcloneview.com.
  4. Add both S3 and GCS remotes and test connectivity.
  5. Schedule your first replication job and monitor its progress.

Your multi-cloud resilience is now automated and auditable.


Related Guides:

Supported Cloud Providers

Local Files
WebDAV
FTP
SFTP
HTTP
SMB / CIFS
Google Drive
Google Photos
Google Cloud Storage
OneDrive
Dropbox
Box
MS Azure Blob
MS File Storage
S3 Compatible
Amazon S3
pCloud
Wasabi
Mega
Backblaze B2
Cloudflare R2
Alibaba OSS
Ceph
Swift (OpenStack)
IBM Cloud Object Storage
Oracle Cloud Object Storage
IDrive e2
MinIO
Storj
DigitalOcean Spaces