Is this file safe to send anywhere?

Checked entirely in this tab. No install, no server, no upload — not even to find out whether it's sensitive.

Checking whether an export is safe to hand off is its own chicken-and-egg problem under an NDA or a compliance policy: the usual way to check is to upload it somewhere first. This page never does — a real DuckDB engine and DuckPipe's own unmodified source (pipeline.py runs the same duckpipe.run(...) the CLI does) run entirely inside a WebAssembly sandbox, with zero network requests for your file. Watch the log below to see that for yourself.

starting…