Cloudflare offers a suite of distributed storage products that extend its serverless platform far beyond simple compute. KV, R2, and D1 each serve a different purpose — from configuration and caching to object storage and relational data.

This guide provides a calm, structured look at Cloudflare’s storage ecosystem and explains how to use each service with Workers and Pages Functions. The goal is clarity, not complexity.

1. The Philosophy of Cloudflare Edge Storage

Cloudflare’s storage model follows a simple idea: