Sparksheets

Sparksheets is a Japanese-developed AI-powered document editor designed to supercharge productivity for writers, business professionals, students, and teams. It combines real-time AI editing (including proofreading, improving, summarizing, and translating text), multi-column layouts, integrated chat and autonomous agents, and robust collaboration features. The platform also offers a marketplace for AI prompts, templates, and content packs, making it suitable for both individual and collaborative content creation across work, creative, learning, and lifestyle domains.