About Liner
Liner is an AI-powered research copilot that helps you find, highlight, save and organize information across the web. It combines AI search with citation-backed answers, web highlighting, content saving and a personal knowledge library.
The AI search provides answers with citations from trusted sources, similar to Perplexity but with an integrated highlighting and saving workflow. Highlight any text on any webpage and save it to your Liner library with AI-generated summaries and tags.
The knowledge library organizes saved highlights, articles and research by topic with AI-powered categorization. Ask questions about your saved content and get answers drawn from your personal knowledge base.
Liner is free for basic use. Premium at $8.99 per month provides unlimited AI searches and advanced features.
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