OptinMonster is a leading conversion optimization toolkit designed to help businesses grow their email lists, generate leads, and boost sales. Launched in 2013, it offers a range of features including exit-intent technology, A/B testing, and highly customizable opt-in forms. With its intuitive drag-and-drop builder, users can create eye-catching campaigns to convert website visitors into subscribers and customers. Trusted by major brands and small businesses alike, OptinMonster integrates seamlessly with popular email marketing services and eCommerce platforms. It is a powerful solution for maximizing online marketing efforts and improving conversion rates.