Supported filter types include low pass, high pass, band pass, notch, raised cosine, and root raised cosine. Generation methods include windowed filter design, and remez-exchange.
Analysis features include magnitude and phase plots in the frequency domain, as well as impluse response plots in the time domain. Zoom features and cursors make taking measurements quick and easy. Comparison plots between floating point and fixed point coefficients allow you to obtain the optimal coefficients for your needs.