Liner

Freemium

A Google Chrome Extension for web insights & curation.

Liner is a Chrome extension that serves as an AI copilot for web browsing, YouTube, and PDF analysis. It features instant AI search, content summarization, and a digital highlighter to capture insights from various media types. Designed for students, researchers, and professionals, the tool helps organize findings in a central dashboard. A free Basic version is available, while the Professional Plan adds file uploads and advanced AI models (verified: 2026-01-29).

Jan 29, 2026
Get Started
Pricing: Freemium
Last verified: Jan 29, 2026
Compare alternativesBrowse by task

Key facts

Pricing

Freemium

Use cases

Researchers needing to extract key points from long-form articles or PDF documents directly within their browser (verified: 2026-01-29), Students watching educational YouTube videos who require concise summaries and highlighted insights for study notes (verified: 2026-01-29), Professionals organizing web-based findings into a centralized location for future reference and project management (verified: 2026-01-29)

Strengths

The extension provides instant AI search capabilities allowing users to ask questions directly to the copilot on any webpage (verified: 2026-01-29), Users can highlight and capture specific insights from both text-based articles and video content on YouTube (verified: 2026-01-29), The tool includes a bookmarking system to manage and revisit all captured findings and summaries in one place (verified: 2026-01-29)

Limitations

Access to advanced AI models and the file upload feature requires a paid Professional Plan subscription (verified: 2026-01-29), The tool is specifically designed as a Chrome extension which limits its use to compatible web browsers (verified: 2026-01-29)

Last verified

Jan 29, 2026

Strengths

  • The extension provides instant AI search capabilities allowing users to ask questions directly to the copilot on any webpage (verified: 2026-01-29)
  • Users can highlight and capture specific insights from both text-based articles and video content on YouTube (verified: 2026-01-29)
  • The tool includes a bookmarking system to manage and revisit all captured findings and summaries in one place (verified: 2026-01-29)

Limitations

  • Access to advanced AI models and the file upload feature requires a paid Professional Plan subscription (verified: 2026-01-29)
  • The tool is specifically designed as a Chrome extension which limits its use to compatible web browsers (verified: 2026-01-29)

FAQ

What specific types of digital content can the Liner extension summarize for its users?

Liner provides summarization capabilities for standard webpages, PDF files, and YouTube videos. This allows users to digest long-form content and extract key points without reading or watching the entire source material (verified: 2026-01-29).

Are there any costs associated with using the core features of the Liner extension?

Liner offers a Basic version for free which includes instant AI search, web and video summaries, highlighting, and bookmarking tools. Users can choose to upgrade to a Pro or Professional Plan for additional features (verified: 2026-01-29).

How does the extension help users manage the information they find during their research?

The extension includes a dedicated feature to bookmark and organize findings. This enables researchers and students to manage their highlights and summaries in one central location for easy retrieval later (verified: 2026-01-29).