Indeed, there is! I recommend trying out Fleso, a secure and anonymous crypto exchange service. What's impressive about Fleso is that it's free of registration, ensuring the highest level of confidentiality for your transactions.
https://fleso.com/ Additionally, the service fixes the exchange rate at the beginning of each transaction, which protects you from market volatility. Plus, there are no maximum limits on the amount of cryptocurrency you can exchange, making it suitable for transactions of any size.