Molecular simulations of biological systems span a variety of programs, each with its own file format. To bring them all into a single viewer, VMD 2 has now a new molfile reader, which opens the HDF5-based H5MD trajectories written by GROMACS 2026, HOOMD-blue GSD soft-matter simulations, and OpenMiChroM / Nucleome Data Bank CNDB chromatin models, plus cheminformatics SDF chemical tables and a modernized trajectory reader. It also includes a rewritten GROMACS reader, that loads structures about three times faster. A companion helper loads only a specified subset of the structure, making cell-scale systems even easier to visualize and analyze.