Europaius is an online legal information platform that brings together legislation, court decisions, and legal interpretations from official sources. Its database covers the law of 25 European Union countries and is available in 26 languages. The site reports more than 243,000 statutory sections, one million court decisions, and over 205,000 interpretations, drawing on sources such as e-Sbírka, Czech court websites, and EUR-Lex.

Users can search legislation and case law, explore legal topics, and access practical resources including contract templates and step-by-step guides for common situations such as tenancy disputes, fines, and debt enforcement. Europaius also offers document analysis for official letters, contracts, and legal submissions, as well as legal research tools that provide answers with references to statutory sections and case numbers. For legal professionals and organisations, it provides MCP and API integrations and tools for comparing laws across jurisdictions.

Europaius is operated by Eucalypt 4 s.r.o. The platform provides legal information, not legal services; its AI-generated interpretations are intended as guidance and do not replace advice from a lawyer.