Hiroska is an AI-powered video studio that lets users generate video, images, music, and voiceover using over 80 AI models. It features a multi-lane timeline editor for assembling and editing generated content in a single workflow. Users can maintain consistent characters across scenes, match color grades, and layer sound and music tracks. Finished projects can be exported in 4K without watermarks. A free tier provides 10 AI-generated images per day.