WetWijzer is an open-source search platform for Belgian legislation and case law, designed to make legal information easier to find and understand. Its portal brings together Belgian laws, decrees, decisions, court rulings and parliamentary materials, with an interface available in Dutch, French, German and English/international editions. Users can browse legal sources and access features such as RSS feeds, bookmarks and account registration.

The site also offers an AI-powered legal chatbot that answers questions about Belgian law. Users can select from general law and specialist areas, including tax, employment, company, property, family, immigration, consumer, criminal, social security, administrative and privacy law. The service provides different AI models and intelligence settings, with some options identified as professional or experimental and questions charged in credits. WetWijzer cautions that chatbot responses are not official legal advice and may contain errors. It also explains how conversation history is handled, including optional browser-encrypted storage. Additional resources include FAQs, usage terms, privacy information, accessibility options and contact details.