Free calculators

The app’s own calculations, open to everyone: same fee tables, same rounding, to the cent. Nothing is sent, everything runs in your browser.

Net margin per platform

What you keep after each platform’s fees.
DAC7 threshold: where do you stand?

The 30 sales and €2,000 counter, platform by platform.
Split the price of a lot

The cost price of each card of a lot, pro rata of its market price.
Buy offer

How much to offer for a pile while keeping your margin after fees.

Nothing leaves your device: no upload, no cookie, no tracker.