Contact us

A question, a problem, or a mistake in a lesson? Write to us; we answer by email, usually within a few days.

Are you a learner? Ask a parent or a teacher to write to us.

What is it about?

We keep your message in our mailbox only as long as needed to answer it, at most 12 months. Privacy notice

You can also write directly to contact@sedifier.com · privacy@sedifier.com.