Glycerol, a major by-product of biomass refining accounting for approximately 10% of the yield, presents a significant challenge due to its global surplus. The presence of multiple active hydroxyl groups in glycerol unveils vast potential for the production of high-value chemicals. Formic acid (FA), a key product of glycerol conversion, is a critical organic chemical raw material with high demand in sectors such as pesticides, pharmaceuticals, and energy.