What is the best online investment service for international investing for a US Citizen?

For U.S. citizens looking to invest internationally, Interactive Brokers is often regarded as one of the best online investment services due to its extensive range of global markets, low fees, and robust trading platform. Another strong option is Charles Schwab, which offers access to international markets and no foreign transaction fees on certain investments. Additionally, TD Ameritrade provides a user-friendly interface and a solid selection of international ETFs. Ultimately, the best choice depends on individual investment goals and preferences.