Liner
AI Search EnginesAI-powered search and web highlighting tool that helps researchers, students, and professionals find trusted answers with cited sources from across the web.
Table of Contents
What is Liner?
Liner is an AI-driven search and research tool that combines intelligent web search with powerful highlighting and annotation features. Unlike traditional search engines, Liner uses AI to provide direct answers to your questions with cited sources, making it ideal for academic research, professional work, and learning. The platform indexes trusted sources including academic papers, news articles, and expert content to deliver reliable answers. Its web highlighter feature lets you save and organize key passages from any webpage, PDF, or YouTube video, creating a personal knowledge base. Liner also offers a browser extension for seamless integration into your daily workflow. With features like AI-powered summarization, related content recommendations, and collaborative highlighting, Liner has attracted over 10 million users worldwide, particularly among students and researchers who need reliable, sourced information.
Pricing Plans
Key Features
Pros & Cons
Pros
- ●AI answers include cited sources for verification
- ●Powerful web highlighting and annotation tools
- ●Indexes academic papers and trusted sources
- ●Browser extension integrates seamlessly into workflow
- ●Personal knowledge base from saved highlights
Cons
- ●Free tier has limited AI search queries
- ●Smaller knowledge base compared to Google or Perplexity
- ●Highlighting sync can occasionally lag across devices
- ●Advanced collaboration features require Pro plan
Frequently Asked Questions
Q. How is Liner different from Perplexity AI?
A. Both provide AI-powered search with sources, but Liner uniquely combines search with web highlighting and annotation tools. Liner focuses more on building a personal knowledge base from your research, while Perplexity excels at conversational search. Liner is particularly popular among students for its highlighting and note-taking features.
Q. Can I use Liner for academic research?
A. Yes, Liner is well-suited for academic research. It indexes scholarly sources and provides cited answers. The highlighting feature lets you annotate papers and web articles, and you can organize highlights by topic. Many university students use Liner as their primary research companion.
Q. Does Liner have a browser extension?
A. Yes, Liner offers browser extensions for Chrome and Edge. The extension adds highlighting tools to any webpage, lets you access AI search from the sidebar, and syncs your highlights across all devices. It integrates seamlessly without disrupting your browsing experience.
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