OLX is a global online marketplace operating in 45 countries. It is the largest online classifieds company in India, Brazil, Pakistan, Poland, Portugal and Ukraine. OLX allows users to post classified ads to buy and sell a variety of items including cars, real estate, jobs, and other goods and services. It provides features like Google Adsense advertising and featured ads. Users can easily search for items by location, keywords, category, brand and price range. OLX also has algorithms that sort search results based on these criteria.