Generate content, correct spelling, suggest synonyms to enhance writing.
173M visits/mo+0.1%#1 Productivity & Office
Locus
Find information on web pages, refer to sections in long documents, and search across PDFs and videos.
$1.99/mStarting price
615Monthly visits
About Locus
Locus is a cutting-edge AI-powered search tool that enables users to quickly and easily find relevant information on any web page through natural language processing. With Locus, users can quickly refer back to sections in long papers, documents, and articles without needing to remember exact keywords. Furthermore, Locus is soon to support search across PDFs and videos, giving users access to a broader range of information. Designed with an intuitive user interface, Locus helps save users time and effort by providing them with the most relevant results in a matter of seconds. With Locus, users can work more efficiently and stay up to date with the latest research and news. Whether you’re a student, a professional, or an enthusiast, Locus can help you navigate the web with ease, providing you with the most accurate and up-to-date information.
Key features
- Quickly search and find relevant information in any web page
- Instantly refer to sections in long documents without exact keywords
- Search across PDFs and videos for a broader range of information
Use cases
- Students can quickly find relevant information on web pages for research papers
- Professionals can easily refer back to sections in long documents and articles
- Enthusiasts can search across PDFs and videos for up-to-date information
Pros
- Enables natural language search on web pages and PDFs without needing exact keywords
- Provides AI-powered summarization and personalized assistance for research tasks
- Offers free tier with basic smart search and AI helpers
- Supports multiple advanced AI models including OpenAI, Anthropic, and Google
- Allows saving and organizing search results for easy reference
Cons
- Limited daily document and AI action quotas on free plan
- Requires browser extension installation for full functionality
- AI model updates may introduce temporary inconsistencies
- Professional features require paid subscription
Locus videos
Frequently asked questions about Locus
What is Locus and how does it work?
Locus is an AI-powered smart search tool that allows users to find information on web pages, PDFs, and other documents using natural language queries instead of exact keywords. It leverages large language models to understand context and retrieve relevant sections instantly.
Who is Locus designed for?
Locus is designed for students, researchers, professionals, and anyone who needs to quickly navigate and extract information from long documents, articles, or web pages. It is particularly useful for those who read dense materials regularly.
Does Locus support PDF search?
Yes, Locus supports AI-powered search within PDF documents, allowing users to quickly locate specific sections or information without manually scanning through the entire file.
What AI models does Locus use?
Locus integrates multiple AI models, including OpenAI's GPT-4o, GPT-4o mini, GPT-3.5, Anthropic's Claude 3 Haiku, and Google's Gemini 1.5 Flash. Users can also bring their own GPT API key for unlimited use of OpenAI models.
How do I get started with Locus?
Users can get started with Locus by adding the browser extension to their Chrome or Edge browser. A free version is available with basic features, while additional functionality can be unlocked by signing up for a free account.
Can I save and revisit my searches in Locus?
Yes, Locus allows users to save their searches and favorite sections for later reference. This feature helps users quickly return to important information without repeating searches.
Locus traffic & engagement
locusextension.com · third-party estimates from Similarweb
Data as of Sep 2026Full AI website ranking →
Monthly visits · Sep 2026615-85.1% MoM12-month high 4.1K (Aug 2026)
Rank among AI websites#7,922▼ 2348 vs last monthof 8,652 tools on aitoolnavio™
Top marketUnited States100%
Average visit1m 51sLonger than 75% of AI sites
Pages per visit1.84More than 50% of AI sites
Bounce rate24%Lower than 98% of AI sites
Similarweb global rank#4,048,517Among all websites
Traffic trend
Last 4 months · grows by one month every month
- Jun 2026780
- Jul 20261.8K+136%
- Aug 20264.1K+123.8%
- Sep 2026615−85.1%
Top countries
Share of visits · estimated visits
Compared with similar tools
Productivity & Office · Sep 2026
Traffic figures are third-party estimates, good for scale and trends; they can differ from a company's own numbers. Updated monthly.
