Thirty currencies against each other, computed from the European Central Bank's published daily reference file — the same rates banks and journalists cite, with the date always visible. Mid-market truth; your card will add its spread, and the page says so.
Fetching today’s ECB rates…
Set what you want and the result appears as you go. Nothing needs uploading because there is nothing to upload — you are describing what to make, not sending us anything.
Your browser does all the work locally, using your own operating system where randomness is involved. Nothing is requested from a server, so nobody else has a copy of what you made.
The answer appears on this page as you go. There is nothing to download, because the answer IS the page — screenshot it or write down what matters. Nothing is kept — refresh the page and it’s gone, so take what you need before you leave.