Replay

Replay is an AI tool for developers and designers, created by the Replay.build team, that reimagines the process of generating code from visual materials. Its core value lies in shifting from static screenshots to analyzing video as the primary data source. This allows capturing not only the appearance of interface elements but also their interactive behavior, animations, and states over time, which was unavailable to previous generations of tools.

Key features: analyzing screen recordings to reconstruct the structure of HTML, CSS, and JavaScript code; recognizing components, their layout, and relationships in motion; automatically identifying interactive elements and their states (e.g., hovers, clicks); generating clean, ready-to-use code based on the video timeline; support for exporting to popular frameworks and formats; the ability to manually adjust and refine the generated result directly within the tool's interface.

Replay's key differentiator is its 'video-first' approach, where moving images become the source of truth. Technically, the tool uses computer vision and machine learning to analyze frame sequences, enabling a more accurate understanding of interface context and logic. It operates as a web application, requiring no complex installation, and integrates into workflows by uploading screen recordings. This eliminates the fundamental limitation of tools that work only with a single static frame.

Ideal for frontend developers who want to quickly prototype interfaces based on existing visual concepts or applications; for designers aiming to turn their interactive prototypes or animated presentations into working code without deep programming knowledge; and for teams involved in redesigning or reverse-engineering legacy interfaces, where understanding not just the layout but also element behavior is crucial.