The toolkit Radio Beam manipulates two-dimensional Gaussian beams associated with radio astronomical data. It extracts beam parameters from FITS headers, creates and edits beam definitions within the Astropy (ascl:1304.002) framework, and performs operations such as convolution, deconvolution, and brightness–temperature unit conversion using the beam area. The package also handles sets of beams for spectral cubes with channel-dependent resolution, identifies smallest common beams in a collection, and overlays beam shapes on Matplotlib plots for visualization.