Cloudflare/R2
- S3-compatible object storage for unstructured files such as images, documents, audio, and video.
- Objects are stored in buckets. Applications can access R2 through Cloudflare Workers bindings or its S3-compatible API, among other interfaces.
- Cloudflare documents R2 as having no egress fees; storage and operations are subject to its pricing and usage terms.
- R2 stores file contents, while a relational database such as Cloudflare/D1 can store searchable metadata about those files.
- ChatGPT/Sites documents R2 as its storage choice for uploaded files.
- See Cloudflare/R2/Concept/Pricing Compared with Backblaze B2 for a current comparison of storage, request, and download costs.
- See Logseq/Publish/Explanation/Options for Hosting Larger Files for the garden's earlier R2 and media-hosting notes.