Liner

概述

Liner is an AI search and research assistant that answers questions with cited sources and lets users highlight and organize findings from web pages and PDFs. Originally a highlighting tool, it now centers on reliable, citation-first answers aimed at students and researchers. Liner offers a free tier and Pro subscriptions for unlimited usage and advanced models.

主要功能

• AI answers with line-level source citations
• Web and PDF highlighting with saved collections
• Deep research mode for scholarly questions
• Browser extension and mobile apps

适用场景

• Academic research with verifiable citations
• Collecting and organizing highlights across sources
• Fact-checked everyday search

定价

Liner has a free plan with daily limits; Pro subscriptions unlock unlimited queries, advanced models, and deep research features.

常见问题

What is Liner?

Liner is an AI research assistant that provides cited answers and tools to highlight and organize sources.

Who uses Liner?

Liner is popular with students, academics, and professionals who need trustworthy, citable answers.

Is Liner free?

A free tier covers basic use; Pro plans remove limits and add advanced research modes.

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查看Liner的全部替代品 → · 查看全部答案引擎产品 →

来源

• Official website ↗
• The SaaS News: Liner raises 27B KRW in Series B2 round ↗

本记录最近复核于 2026-07-30。

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