Your Personal Knowledge Base

Meet Chunk—the all-in-one AI research assistant that brings together your documents, notes, and the vast knowledge of the web.

Powerful enough for serious researchers, intuitive enough for everyday curiosity.

Chunk Now Supports Advanced Image Generation

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Access to the latest premium AI Models for one-price!

Icons and names of three AI platforms: ChatGPT with a hexagonal pattern, Gemini with a colorful star, and Claude with stylized AI letters.

The most capable AI Research App on all your devices

Digital devices displaying a note-taking app with documents, notes, and a pie chart showing U.S. TV viewing distribution by platform in 2023.

GPT-5 & Claude 4.5

also available: Gemini 2.5 Pro, o3, o4-mini & more

Tablet screen displaying a note-taking app with a document titled "Comparative Outline: Classical Physics vs. Quantum Physics." The document lists core principles and key fields of classical physics. The interface includes navigation options for home, documents, notes, history, and settings. Suggested related documents are shown on the right in various formats and relevance percentages.

Ask Chunk about information in your stored documents.

A tablet displaying a note-taking app with a physics study guide. The interface shows a list of notes on the left and details of the 'Physics Study Guide' note on the right. The study guide covers classical physics topics like mechanics, electromagnetism, thermodynamics, wave theory, and relativity.

Take notes, write, research then add them to your stored documents.

Have more questions about Chunk?

Read our FAQ

Learn more

Your Information is Yours

We don’t share, sell, or use your data for training or ads.

Beauty / Brains

Your ideas deserve more than text. Chunk creates rich, interactive maps, charts, images, and tables that bring your information to life on every screen.

Create Notes. Upload them to Chunk or share.

Generate professional quality images for presentations or social media content

Memory!

Chunk now remembers what matters to you. Memory automatically learns your preferences, interests, and important details from your conversations—making every interaction more personalized and helpful over time.

• Learns as you chat – No manual input required. Just talk naturally and Chunk remembers what's important

• Full transparency & control – View all your memories organized into 10 categories in Settings

• Edit or delete anytime – You're always in control of what Chunk remembers

• Privacy-first design – Sensitive information like health data, financial details, and passwords are never stored

• Opt-in feature – Memory is disabled by default. Enable it when you're ready

Smart Notes

Connect The Dots Between Your Documents

Chunk AI Powered Notes

AI Writing Tools

Chunk has a robust set of AI Tools to help you be the best you. Chunk can easily assist with grammar, translation, and tone, Chunk can also help you come up with new ideas based on what you’ve written so far in your note. Chunk can even use related stored documents to get more context before responding.

Store Notes in Chunk

By default your notes are private. But if you want Chunk to able to search your note, store it in Chunk by simply pressing the ‘To Documents’ button.

Screenshot of a note-taking app displaying a list of notes on the left. A detailed note is open, discussing concepts like quantum gravity and string theory. Tools for saving, tagging, and text formatting are visible. The app includes AI writing tools for grammar, tone, summarization, and translation.

Study guide text on classical and quantum physics concepts, unification theories, particles, and key contributors like Newton and Maxwell.

Reference Documents & Notes

Press ‘Related Docs’ button and instantly see stored documents you have that may be related to your current note by searching topics and keywords. You can reference and view those documents without losing context.

Organize your ideas

Collections

Organize conversations, web content, and documents into intelligent research workspaces.

Share articles from Safari to your Collections. Articles will automatically be summarized and instantly available Chunk to read.

Additional Features

Personalize

Add to the ‘Memory’ of Chunk by storing specific instructions or detailed information that you would like Chunk to remember about you or your preferred working style.

Analyze Files and Images in Chat

While Chunk is designed to efficiently store and retrieve relevant information from large volumes of documents, maybe you just want to find out something quickly about a document or image. You can simply attach the file while in chat.

Seamless Notes Sync

iCloud integration for cross-device notes access and editing on iPhone, iPad and Mac. Full featured Rich Text Formatting on all devices.

Research Tool

The research search tool is specifically tailored for students and researchers who want to utilize academic sources for deeper more complex questions. Chunk will conduct a more in-depth search, targeting academic sources (up to 10) alongside the broader internet to provide 3 different comprehensive reports. Research Reports, Resource Reports and Outline Reports.

Secure + Privacy

Chunk isn’t ad supported and we don’t want to know or store any data we don’t have to store. We take security and privacy very seriously. Your data is NEVER used for training and our databases are private and secure using TLS for encrypted connections.

Tags + Filters

Tagging and filtering documents or notes increases query speeds and the quality of responses not possible on other A.I. platforms. Tags allow Chunk to focus on the right information for the given query while dramatically reducing hallucinations.