🔥 Miniflare

Miniflare is a simulator for developing and testing Cloudflare WorkersOpen external link. It's written in TypeScript, and runs your code in a sandbox implementing Workers' runtime APIs.

• 🎉 Fun: develop workers easily with detailed logging, file watching and pretty error pages supporting source maps.
• 🔋 Full-featured: supports most Workers features, including KV, Durable Objects, WebSockets, modules and more.
• ⚡ Fully-local: test and develop Workers without an internet connection. Reload code on change quickly.

Get StartedGitHubOpen external linknpmOpen external link

These docs primarily cover Miniflare specific things. For more information on runtime APIs, refer to the Cloudflare Workers docsOpen external link.

If you find something that doesn't behave as it does in the real Workers environment (and this difference isn't documented), or something's wrong in these docs, please open a GitHub issueOpen external link.

These docs are built with the Cloudflare Docs EngineOpen external link. Tab icons are from FeatherOpen external link.