Arcane is a subscription-based AI writing assistant designed for startups, focusing on content marketing. Its primary function is to convert user insights into impactful LinkedIn posts, helping businesses engage with their audience effectively. The platform features three main components: the News Researcher App, which gathers industry-related news and trends; the LinkedIn Opinion Drafter App, which crafts posts in the user's voice; and the Blog to LinkedIn Converter App, which repurposes existing blog content into LinkedIn-friendly formats.

In addition to these core features, Arcane also provides tools to analyze audience behavior from various platforms, including forums and social media, generating themes and identifying pain points for content inspiration. By streamlining the content creation process, Arcane enables startups to save time while maximizing their reach and engagement on LinkedIn.