Kleinanzeigen.com is an online classifieds marketplace that describes itself as a virtual flea market for free advertisements. The platform connects people and businesses looking to buy, sell, give away, or exchange new and used goods and services. Users can browse listings or post an advertisement free of charge, with listings described as going online immediately and no commission charged.

Its categories cover a wide range of needs, including cars and motor vehicles, real estate, jobs, services and courses, clothing, household appliances, and other marketplace goods. The site also features sections for rentals, vouchers, tickets, food and drinks, personal contacts, leisure activities, and exchanges. Visitors can search by item and location, save listings, and access help and safety information.

Kleinanzeigen.com serves users across Germany, with listings associated with cities such as Berlin, Hamburg, Munich, Leipzig, and Cologne. The website also provides account registration and login, contact details, terms, payment information, and a newsletter. It is operated by HYRO FZ-LLC.