Kleinanzeigen.com is an online classifieds marketplace offering a virtual flea market for people and businesses to advertise items and services. The platform lets users post listings for free and search for new and second-hand goods, with the site highlighting quick publication and no commissions. Users can buy, sell, give away, or trade, connecting with private individuals and commercial sellers across cities in Germany.

Listings span a wide range of categories, including cars and motors, property, jobs, services and courses, leisure and personal contacts, and general marketplace goods. The site also features sections for vouchers, tickets, food and drinks, rentals, and exchanges. Examples of advertised items and opportunities include apartments and houses, used vehicles and motorcycles, clothing, and household appliances.

Kleinanzeigen.com provides search filters, saved listings, account registration and login, and help resources to support browsing and posting. Its service is aimed at people looking to find local offers or reach interested buyers and customers. The website also provides safety information, customer details, payment information, and contact resources.