Chromatography is primarily a separation technique, but it is primarily used in chemical analysis. High-performance liquid chromatography (HPLC) is a highly versatile technique that separates analytes by passing them through a column packed with micron-sized particles. Today, reversed-phase chromatography is the most commonly used separation technique in HPLC. Reasons include the reversed-phase method's simplicity, versatility, and applicability. This is because the reversed-phase method can handle compounds of different polarities and molecular weights. Reversed-phase chromatography is used for both analytical and preparative applications in the field of biochemical separation and purification. Moderately hydrophobic molecules such as proteins, peptides and nucleic acids can be separated by reversed-phase chromatography with excellent recovery and resolution. This review presents the importance of RP-HPLC in analytical method development, its strategies, and a brief knowledge of the critical chromatographic parameters that need to be optimized for efficient method development.