Polyaniline (PANI) stands as a prominent figure in the realm of conductive polymers, garnering considerable attention from researchers in nanotechnology for its potential in various fields including sensors, optoelectronic devices, and photonic devices. Its popularity stems from its facile synthesis and remarkable environmental stability, attributes that allow for easy doping with different acids and dopants. This survey dives into the horde planning cycles of PANI meager movies, including both compound and actual techniques. Furthermore, it reveals insight into a few key highlights displayed by PANI slim movies, crossing attractive, redox, cell reinforcement, hostile to consumption, electrical, and detecting properties. One of the most prominent qualities of PANI is its excellent conductivity, a property that positions it well in different applications. Its simplicity of blend, somewhat minimal expense, and hearty ecological solidness further improve its allure across different areas, including gadgets, drugs, and hostile to erosion materials. These attributes have spurred extensive research and exploration into the manifold applications of PANI. In the realm of electronics, PANI's conductivity makes it a valuable component in the development of electronic devices, facilitating the efficient flow of charge within circuits. Moreover, PANI's redox properties render it suitable for applications requiring electrochemical activity, such as in batteries and capacitors, where it can serve as an electrode material. Its antioxidative properties make it a candidate for use in materials designed to mitigate oxidative damage, while its anti-corrosive characteristics find utility in protective coatings for metals prone to corrosion. Additionally, PANI's sensing capabilities make it a promising candidate for use in sensors across various sectors, including environmental monitoring, healthcare diagnostics, and food safety. Towards the culmination of this review, a survey of the most significant applications of PANI underscores its versatility and potential impact across diverse domains. From its role in advancing electronic devices to its contributions in enhancing the longevity of metal surfaces through anti-corrosion coatings, PANI continues to captivate researchers and innovators alike with its multifaceted properties and wide-ranging applications. As research in the field progresses, the exploration of PANI's capabilities is poised to unveil further opportunities for innovation and technological advancement in the years to come.