IObit Unlocker is a free tool that helps users manage and unlock files or folders that are locked or inaccessible due to being used by another program or process. It addresses common issues where users encounter errors like “Access is denied” or “File in use” when trying to delete, rename, move, or modify files. IObit Unlocker allows users to forcibly terminate the processes or services that are locking the files, enabling them to perform the desired operations.