Make searches that aren't possible with regular CTRL + F.

Refer back to sections in long papers, documents, and articles by using natural language instead of having to remember exact keywords.

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Search PDFs with AI.

Save time comprehending these long forms of content. Get started today.

Research faster with AI assistance.

Locus AI assistance will use LLMs to help you synthesize information and create outputs that further your research.

Summarize entire pages or portions to save time and quickly get the TLDR.

Brainstorm additional research topics to facilitate new ideas and other documents to read.

Study with note cards created to help you retain key information.

Memorize answers with Locus.

Use Locus Favorites and Recents to save information and easily refer back to different documents and highlighted search answers.

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What our users think

I read the news every morning before work and I need to do so fast. locus has helped me figure out what parts of each article I should spend my time on.

Research Assistant

Reading through dense papers every week for my lab has become more manageable with locus.

My class' physics textbook is online so this tool makes it easy to refer back to sections I just read without needing to sift through all the CTRL+F matches.

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Smart Search and AI




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3 Documents Daily

Smart Search

AI Helpers

Web Pages & PDFs

Save Favorites


Smart Search and AI
No limits


/month, billed annually ($90)

100 Documents Daily

All Free Features +

Tune AI Models

OpenAI Integration

Faster Processing

Advanced Settings


Get started with Al powered smart searches right away.



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Natural Language Search

Web Pages

PDF Documents

Daily Refresh of Index

Search History

Save Favorites

Al Based Summarization

Searches are limited to (x) Pages or Documents


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All Free Features +

Choose Search Model

Add Your Own Highlights

Summarize with GPT 3.5*

No Limits on Documents

Faster Processing Engine

Weekly Refresh of Index

* GPT Summarization is limited to (x) Tokens