Cloudflare R2 Review 2026: Pricing, Pros, Cons, Alternatives, and Best Use Cases
S3-compatible object storage with zero egress fees.
2026 verdict
Best object storage — zero egress fees make it dramatically cheaper than S3 for most use cases
Best for: Any application that serves files to end users — images, videos, downloads — where S3 egress fees are material
Not for: Applications deeply integrated with AWS services that benefit from S3's native integrations with Lambda and CloudFront
What Cloudflare R2 is best at
Amazon S3's business model charges you for every byte that leaves their infrastructure. For an application that stores and serves large files — images, videos, documents, software downloads — egress charges can exceed storage costs by 10x or more. Cloudflare R2 eliminates egress fees entirely. You pay for storage ($0.015/GB/month) and operations, but zero for data transfer out.
The S3-compatible API means you can use any S3 SDK or tool without modification. Switch your AWS credentials for Cloudflare's, update the endpoint URL, and your existing code works. The JavaScript and Python S3 SDKs, tools like rclone, s3cmd, and Cyberduck — all work without changes.
The integration with Cloudflare Workers is a significant advantage for teams in the Cloudflare ecosystem. An R2 binding in a Worker gives you bucket access without any HTTP round trips. For image resizing, file serving with access control, or processing uploads, this creates a clean serverless architecture without egress costs.
Workers enable custom access control — serve private files with signed URLs, apply policies based on user authentication, or process files on upload (resize images, extract metadata) before storing. All of this runs in Cloudflare's edge network globally.
The free tier is useful: 10GB storage, 1 million Class A operations, and 10 million Class B operations per month. Most side projects fit entirely within the free tier.
Cloudflare R2 pros and cons
Pros
- +Zero egress fees — the biggest cost advantage over S3
- +S3-compatible API — existing code works unchanged
- +Tight Workers integration for edge-side file processing
- +Globally distributed with Cloudflare's network
- +Generous free tier
Cons
- -Less mature than S3 — some advanced S3 features not yet supported
- -No direct public URL serving without a Worker or public bucket configuration
Cloudflare R2 pricing in 2026
Free
Free
- 10GB storage
- 1M Class A operations/month
- 10M Class B operations/month
- Zero egress
Standard
$0.015/GB/month + operations
- Unlimited storage
- S3-compatible API
- Workers integration
- Zero egress always
$0.015/GB/month storage. Zero egress fees. Operations priced separately.
Production tips for Cloudflare R2
Use a public R2 bucket with a custom domain for serving static assets — zero egress means no CDN cost
R2 + Workers + Images for automatic resizing is a cost-effective Cloudinary alternative
The `aws-sdk-v3` S3 client works with R2 — just set the endpoint to your R2 account URL
Alternatives to Cloudflare R2
Common questions about Cloudflare R2
What is Cloudflare R2 best for in 2026?
Cloudflare R2 is best for Any application that serves files to end users — images, videos, downloads — where S3 egress fees are material.
Is Cloudflare R2 free?
Cloudflare R2 has a free tier, with paid plans described as: $0.015/GB/month storage. Zero egress fees. Operations priced separately.
What are the best Cloudflare R2 alternatives?
The closest Cloudflare R2 alternatives covered here are aws-s3, backblaze-b2, supabase.
Who should avoid Cloudflare R2?
Cloudflare R2 is not ideal for Applications deeply integrated with AWS services that benefit from S3's native integrations with Lambda and CloudFront.
Sources checked
Pricing, product claims, and documentation-sensitive details should be verified against the official sources below before purchase because developer tool pricing changes often.