Yes, you can convert beFTM back to FTM by using a dex aggregator like 1inch or paraswap. These aggregators will compare rates across different decentralized exchanges to get you the best rate for your conversion. They also provide a secure and trustless environment for you to make your conversion without having to worry about your funds being at risk. So, if you're looking for a reliable way to convert beFTM back to FTM, using a dex aggregator is definitely the way to go.