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The Solana blockchain requires a small deposit of SOL, known as "rent," to keep accounts active. For active traders and users of the Solana ecosystem, frequent transactions lead to the creation of numerous token accounts that, once emptied of their tokens, still hold this rent deposit. This locked SOL, which we term "Rent Dust," represents a significant and often overlooked pool of unclaimed capital. The Rent Recovery Tool is a decentralized application (dApp) designed to efficiently scan a user's wallet for these empty accounts, securely close them in batches, and return the locked SOL directly to the user, minus a small service fee. This paper outlines the problem of Rent Dust and details the function, benefits, and security model of our solution.