Migrate Amazon S3 to Cloudflare R2 — Zero Egress Fee Migration with RcloneView

March 21, 2026 · 2 min read

Senior Engineer

AWS egress costs eating your budget? Cloudflare R2 eliminates per-gigabyte bandwidth charges while maintaining S3 API compatibility. Migrate with confidence using RcloneView.

Amazon S3 is powerful but egress fees add up quickly—especially for high-bandwidth workloads. Cloudflare R2 offers S3-compatible object storage with zero egress charges. RcloneView simplifies the migration process, handling massive datasets efficiently while preserving your access patterns.

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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Get Started Free →

Free core features. Plus automations available.

Add Both S3 and Cloudflare R2 to RcloneView

Start by configuring both storage backends in RcloneView.

For AWS S3:

Click Add Remote → Select Amazon S3
Enter your AWS Access Key ID and Secret Access Key
Select your S3 bucket region
Test the connection

For Cloudflare R2:

Click Add Remote → Select S3 Compatible
Set endpoint to your R2 domain
Add your R2 API token credentials
Verify connection

New Remote Setup

Plan Your Migration Strategy

Large S3 migrations require careful planning. RcloneView supports multiple strategies:

Direct transfer: Fast bucket-to-bucket migration (R2 has free egress from AWS)
Incremental sync: Migrate data gradually while maintaining S3 as live
Filtered migration: Move specific prefixes or file types first

Cloud to Cloud Transfer

Monitor Migration Progress Real-Time

RcloneView provides live progress tracking, error reporting, and performance metrics. Watch transfer speeds, completion percentage, and identify any failed objects instantly.

Migration Monitoring