Liner Review - Features, Pricing & Deals

Last Updated
Apr 10, 2025

Liner is an AI-powered search engine and research assistant that helps users find, organize, and analyze information more effectively. It combines multiple AI models from companies like OpenAI, Google, and Meta to deliver relevant search results and research insights.

The platform's core features include web highlighting capabilities, content management tools, and an AI-driven search function. Users can highlight text across websites, YouTube videos, and images while organizing their findings with custom tags and labels. The tool also analyzes various file formats including PDFs, PowerPoints, and Word documents.

Students, researchers, and professionals can access Liner through browser extensions or mobile apps on iOS and Android. The platform supports team collaboration by letting users share highlights and annotations with others. It also includes practical tools like email writing assistance and code generation features.

While a free plan offers basic functionality, paid subscriptions unlock additional features such as advanced highlighting options, Expert Mode for complex queries, and expanded file analysis capabilities. The tool works well for both academic research and professional tasks, though new users might need some time to learn all its features.

Who is Liner for?

Liner is perfect for anyone who needs to find, organize, and analyze information more efficiently across the web and various file formats. With its AI-powered search capabilities and smart highlighting tools, it saves countless hours of research time while delivering more relevant results than traditional search engines.

  • Students and academics who need to collect and organize research from multiple sources, highlight key passages, and create organized study materials
  • Professional researchers who require powerful search capabilities across complex topics and need to process information from diverse file formats
  • Content creators and writers who gather information from various websites and need to organize their findings with tags and annotations
  • Business professionals who need to extract insights from documents, presentations, and web resources while collaborating with team members
  • Legal and medical professionals who must analyze large documents, highlight critical information, and share findings with colleagues
  • Engineers and developers who can benefit from the code generation features and need to organize technical documentation

Liner is commonly used across educational institutions, research organizations, content creation teams, and corporate environments where information management is essential.

Online Reviews (Last 6 Months Summarised)

Liner offers an AI search engine with potential, but users report mixed experiences. While the tool boasts over 10 million users and claims to deliver accurate research answers, it struggles with performance and reliability. Some users find the search and PDF summary features helpful, though they note the app can be slow and occasionally provide inaccurate information.

The platform's user interface receives criticism for being confusing and cluttered, which can detract from the overall experience. Potential users should also be aware of reported challenges with subscription cancellations and refund processes. Despite these drawbacks, Liner continues to attract researchers and professionals seeking an AI-powered search solution.

Features

  • Smart Content Highlighting: Effortlessly mark and tag important information from web pages, YouTube videos, and images with customizable colors, making research organization simple and intuitive.
  • Multi-Format File Processing: Analyze PDF, PPT, and DOCX files quickly, extracting key information and generating summaries to streamline your research workflow.
  • Advanced Image Processing: Extract text and information directly from images, expanding your research capabilities beyond traditional text-based sources.
  • Multi-Device Accessibility: Access your research seamlessly across browser extensions, iOS, and Android platforms, ensuring productivity wherever you work.
  • Team Collaboration Tools: Share highlights, annotations, and research findings with colleagues, enabling smooth teamwork and knowledge exchange.
  • Personalized AI Assistant: Get help with email drafting, code generation, and complex problem-solving through intelligent AI recommendations tailored to your needs.

Pricing

  • Free version offers basic functionality with limited highlighting capabilities.
  • Professional version provides access to full features, including additional highlighting colors, file and image analysis, Expert Mode, and advanced AI model selection.
  • Pricing includes a Basic Plan at free tier, Essential Plan at $19.58 per month, and Professional Plan at $27.08 per month.
  • AI Search version offers a Basic Version at no cost and a Professional Version ranging from $14.66 to $35.99 per month depending on platform.
  • Academic and Work specific plans include a Premium Plan for Academics at $95.99 per year and a Pro Plan for Work at $179.99 per year.

Frequently Asked Questions

What AI models does Liner use?

Liner uses AI models from several top companies including OpenAI, Google, and Meta. You can pick from up to eight different AI models depending on what kind of research you're doing. This lets you choose the best AI for your specific question or topic, which helps you get better, more accurate results. The variety of models means Liner works well for simple questions and complex research alike.

Can I use Liner across different devices?

Yes! Liner works on most devices and browsers. You can use it as a browser extension for Chrome, Firefox and others, or download the mobile app for iOS and Android. All your highlights, notes, and saved research sync across your devices, so you can start research on your laptop and continue on your phone without missing anything. This makes it really handy when you're studying or working from different places.

What's the difference between the free and paid versions?

The free version gives you basic search functions and limited highlighting features to get you started. The paid version unlocks much more, including Expert Mode for deeper research, more highlighting colors, full file analysis for PDFs and documents, image processing, and access to all the AI models. You'll also get better organization tools and can handle more complex research projects. Most serious students and professionals find the upgrade worth it if they do lots of research or writing.

How does the highlighting feature work?

The highlighting tool lets you mark important parts of web pages, YouTube videos, and even images. You can use different colors to organize information by topic or importance. After highlighting, you can add notes or comments to remind yourself why that information matters. All your highlights get saved to your account where you can search through them later, organize them with tags, or share them with friends or classmates. It's like having a digital highlighter that saves everything you mark in one place.

Can Liner help with writing assignments or papers?

Liner is really helpful for writing projects. It helps you find reliable sources and information faster than regular search engines. You can highlight and save important quotes or facts as you research, which makes it easier to organize your thoughts. The AI can also help summarize articles or explain complex topics in simpler terms. Some users even use it to help draft emails or outline papers. Just remember that while Liner can find and organize information for you, you'll still need to put everything together in your own words for assignments.

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