WoodworkerGav is a precision atmospheric optics calculator that transforms spectral extinction data into meaningful aerosol insights for researchers, students, and environmental analysts. The app calculates the Angstrom exponent and optical depth at a reference wavelength to reveal how aerosols influence light scattering and climate behavior. Its intuitive interface combines scientific accuracy with aesthetic design, featuring gradient visuals inspired by atmospheric spectra and easy to use numeric fields for clean data entry. With real time validation, quick computation, and export ready results, WoodworkerGav bridges lab and field studies by offering a compact, reliable tool for understanding aerosol size distribution and optical characteristics across the visible spectrum.