Cloudflare R2

Object storage with S3-compatible APIs and no egress bandwidth fees

Meet Cloudflare R2

Cloudflare R2 is an object storage service for application files, media, backups, and large datasets. Developers organize data in buckets and read or write objects through an S3-compatible API, Cloudflare Workers bindings, or management tools. This makes it useful for serving website assets, storing user uploads, and keeping machine learning datasets available to applications running across cloud providers.

Buckets are private by default, with options to publish content through a custom domain and use Cloudflare caching. Migration tools help move data from existing object storage services. R2 does not charge egress bandwidth fees, while storage, operations, and certain retrievals are billed according to usage and storage class. S3 support follows Cloudflare’s documented compatibility list rather than covering every S3 feature.

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Product details

Website: cloudflare.com
Status: Launched
Category: Developer tools
Listed: Oct 19, 2026

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