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AItools.ninja

Your comprehensive directory of AI tools for every use case.

Liner

Search & Research

Added 10/29/2026Pricing: Freemium (not rechecked)Last checked: 10/29/2026

Liner

About Liner

Liner helps you search, highlight, and ask questions on web pages and PDFs, with AI answers grounded in your saved sources.

Price note: See https://getliner.com/ for current plans.

Categories: Search & Research

Tags: highlight, pdf, research, browser

How To Use Liner

Follow these steps to get started.

Quick Info

Category:Search & Research

Pricing:Freemium · not rechecked

Added:10/29/2026

Last checked:10/29/2026

Key Features:

Highlight and save passages from web pages and PDFs.
Ask questions with AI answers tied to your sources.
Browser extension and workspace for research projects.

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