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Py.Cafe free hosting

Py.Cafe

Interactive browser-only Python demos embedded in tutorials or developer documentation.

Facts

Free allowance
Unlimited public Python apps
Plan limits
10 MB max hosted file · unlimited public sharing and embeds
Storage
Hosted file limit up to 10 MB; aggregate per-account storage not specified
Account
Free account for saving hosted projects; exact card check not verified
Retention
Ongoing Free public project hosting; inactivity deletion and backup rules not documented in checked pages.
Custom domain
Public py.cafe project URLs; on-prem/custom domain is Enterprise only
Password protection
Public projects; private/magic-link viewing is planned Pro and not included on Free
Billing
Free public publishing, not a time-limited credit; card and overage policies unverified.
Execution
Python/WASM executes client-side per viewer, with package restrictions, browser CORS and no server process.

Worth knowing

Python executes with Pyodide/WebAssembly in the viewer browser, not on a backend server; no protected secrets, always-on Python workers, or unrestricted local/network access.

Reviewed 2026-11-14 from official documentation. Deployments have not been tested.

Sources

Free plan and limitations ↗Browser execution model ↗Supported frameworks ↗
Visit Py.Cafe ↗

How we match

Choose the kind of thing you made and the features you need. The results respond to the capabilities recorded in our directory.

Each result explains its fit or mismatch. Unverified commercial-use permission is marked for a terms check. Unknown free features don’t count as confirmed fits.

Apps can run in the browser, as serverless functions, or on a persistent server. For apps, choose a runtime. For AI agents, choose an agent service, MCP server, or code sandbox. For sites and files, choose web pages or file links. A sandbox or serverless endpoint is not a continuously running process. In each group, select several to see hosts that support any selected option. Leave them blank to explore broadly; your agent can check the runtime before publishing. Docs & media candidates also need an exact file-format and size check. Commercial mode removes records with documented personal or non-production restrictions; it does not certify permission on other hosts.

Open a host to read its limits and sources. The agent brief packages your choices and those limits into instructions you can paste into your agent. It does not publish anything.

Each record has its own review date (October 11–November 14, 2026); deployments, privacy, support, and uptime have not been tested. There are no paid placements or affiliate links in this edition.

Independent by PLUSDEV ↗

Your publishing brief

The thing you made, chosen host, and the checks to do before publishing. No files or credentials are included.