Your export never leaves your browser.

The cost export

The file you drop is read inside your browser tab by DuckDB-WASM, an in-browser database. It is never uploaded, never sent to a server and never stored anywhere we can reach. You can watch the network tab while a report runs: the only requests are for the site’s own files and the two calls below. Close the tab and the export is gone.

What stays in your browser

The last real report is kept in your browser’s local storage so you can resume it; sample reports are not kept. The “Resume” card on the landing shows what is there and has a Discard button. A copied share link carries the report inside the link itself, compressed; whoever you send it to gets the report, and we never see the link.

What we receive

• Counts. The browser sends a short event name when something happens, and a number goes up: a report was built, from which export format and which source cloud, with which verdict (worth it, marginal, not worth it); a destination was switched to; a sample was opened; a PDF, link or image was taken; a shared link was opened. Each is a category from a fixed list, never a figure, a file name, a service or anything typed. The events carry no identifier and are stored as daily totals. The “reports run so far” figure on the landing is the count of reports from real exports.
• Your address, briefly, to stop abuse. The two routes that write anything (the counters, the link email) keep a count per IP address in the server’s memory for up to an hour, and per recipient address for a day, so a script cannot inflate the figures or mail strangers. Those counts are never written to disk or logged, and they are gone when the process restarts.
• Your email, if you email yourself the link. That form sends the address, the link to your report (the report travels inside the link) and its one-paragraph summary, so the link can be sent to you. The PDF needs no address: it is rendered in your browser and never sent to us. We may reply once by email, and use the address for nothing else.

What we do not do

No cookies, no analytics script, no advertising pixels, no fonts or scripts loaded from third parties. No affiliate or referral relationship with any destination provider: the price lists are public list prices, linked to their sources on the model page.

Your rights and who to ask

If you gave us your email and want it deleted, reply to the email you received and it is gone the same day.