Locus
AI-powered smart search for web pages and PDFs
What is Locus? Complete Overview
Locus is an AI-powered browser extension that enhances your search capabilities by allowing you to perform smart searches across web pages and PDF documents. It leverages advanced AI models to provide natural language search, summarization, and personalized AI assistance. With Locus, users can quickly find and summarize information from various sources, making it ideal for students, researchers, and professionals who need efficient information retrieval and processing. The tool supports multiple AI models including OpenAI GPT, Anthropic Claude, and Google Gemini, ensuring up-to-date and versatile AI capabilities.
Locus Interface & Screenshots

Locus Official screenshot of the tool interface
What Can Locus Do? Key Features
Smart Search
Locus enables natural language searches across web pages and PDFs, allowing users to find relevant information quickly without traditional keyword-based searches. The AI understands context and delivers precise results.
AI Summarization
Automatically generate concise summaries of web pages and PDF documents, saving time and effort in extracting key information. This feature is powered by advanced AI models like GPT-4o and Claude 3.
Multi-AI Model Support
Locus integrates with multiple AI models including OpenAI GPT-4o, Claude 3 Haiku, and Google Gemini 1.5 Flash, ensuring users have access to the latest and most powerful AI technologies.
OpenAI Integration
Users can bring their own OpenAI API key for unlimited access to GPT-4o, enabling extensive use of advanced AI features without restrictions.
Personalized AI
Customize your AI experience by choosing specific AI roles and preferences, tailoring the tool to your unique needs and workflows.
Best Locus Use Cases & Applications
Academic Research
Students and researchers can use Locus to quickly find and summarize academic papers and articles, saving hours of manual reading and note-taking.
Business Intelligence
Professionals can leverage Locus to extract key insights from lengthy reports and market analyses, enabling faster decision-making.
Content Creation
Writers and content creators can use AI summarization to gather information from multiple sources and generate well-researched content efficiently.
How to Use Locus: Step-by-Step Guide
Install the Locus browser extension from the Chrome Web Store.
Sign up for a free account to unlock additional functionality or start using basic features immediately.
Use the smart search bar to perform natural language queries on web pages or PDF documents.
Save your favorite searches and documents for quick access later.
Upgrade to the Professional plan for unlimited searches, advanced AI models, and faster processing.
Locus Pros and Cons: Honest Review
Pros
Considerations
Is Locus Worth It? FAQ & Reviews
Yes, Locus offers a free plan with basic features including 3 documents per day and smart search capabilities.
Locus supports OpenAI GPT-4o, Claude 3 Haiku, and Google Gemini 1.5 Flash, with regular updates to include new models.
Yes, Professional plan users can integrate their own OpenAI API key for unlimited access to GPT-4o.
Locus specializes in AI, Search, and PDF capabilities, positioning it across Productivity and Research categories. This combination makes it particularly effective for users seeking comprehensive productivity solutions.
Locus is designed for users working in productivity with additional applications in research and ai tools. It's particularly valuable for professionals and teams who need reliable AI and Search capabilities.
The Free plan limits you to 3 documents per day and does not include access to advanced AI models or OpenAI integration.
Yes, the Professional plan offers a 30-day free trial for annual billing and a 14-day trial for monthly billing.