The AI Powered Second Brain

One place for all of your ideas, notes, highlights, and writing. Synthesize it all with kAI, without sacrificing your creativity.

“Kortex is like if Google docs, Notion, and Obsidian had a baby. All of my ideas, highlights, and past writing are finally in one place.”

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Taylin Simmonds

Taylin Simmonds

Creator & Writer

Chat With Your Second Brain

Ask kAI for summaries, advice, research, or study plans from YouTube videos, your highlights, and other external sources.

Unlock The Potential Of kAI+

Use documents as context for your chats. Get editing advice on your writing, synthesize multiple notes, or get creative with documents as prompts.

Your Digital Garden

How many bookmarks, notes, captures, documents, and highlights are collecting dust in a corner of your workspace?

They should grow in value as you add more. Kortex helps you exchange your digital swamp for a digital garden.

Your Digital Garden
Fast Writing

Interconnected Writing

You don't need an English degree to write in a way that helps you stand out. You need the right ideas, in the right place, at the right time.

You can't write fast because you stare at a blank screen and expect ideas to come to you. Kortex feeds you your best ideas when you need them.

"Been writing and dumping ideas into the app all week. Before I was putting ideas in random different place like Notion, Google Drive, etc. This app is giving me the opportunity to collect, compile, and organize. Freaking awesome."

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Chris Barrineau

Chris Barrineau

Founder and Creative Director @ Show Pixels

For Minimalist Writers, Creators, & Note-Takers

Most apps add so many features that make it difficult to just write. We don't alienate those who want a simple workflow. Kortex is built around one simple workflow, capture and create.

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Step 1

Synthesize Ideas Fast

Single ideas don't belong in one long running note you will forget about.
In Kortex, you can capture ideas to a specific note, then toggle on kAI with "Tab" to synthesize the chat into fleshed out notes.

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Start Capturing Free
Click "Create An Account" To Sign Up
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Step 2

Write Like Never Before

A text editor built for smooth writing. Reference your documents, highlights, ideas, and captures in our pane navigation system. View everything at once, or enter focus mode for a distraction-free environment.

Step 2

"I was an early adopter of using a second brain for writing. For years I used Roam Research. Kortex is a huge improvement. Without tools like Kortex, my career wouldn't be the same."

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Tim Denning

Tim Denning

Blogger With 1B+ Views

For Those Who Want A Bit More Power

Transfer your workflow to a less overwhelming environment (without sacrificing your favorite features). Kortex has everything you need to do it all: Build a second brain, write a best-selling book, create a batch of engaging social posts, or write a viral video script.

Eliminate Writer's Block

Build templates, outlines, and guide your writing with Kortex Elements. What looks like a simple feature has become an instant "must have" for note-takers and writers.

Elements
Searchability
Never Lose An Idea Again

Most search features are useless.
Kortex allows you to search by tags, related words, document contents, captures, elements, and highlights so you can find those long-lost ideas without having to know exactly what to search for.

Own Your Knowledge

Never feel locked into Kortex. Export your files or workspace as markdown at any time.

Import and Export
Sharing and Workshop
Share Your Notes & Writing

Share individual documents and templates with friends, students, and teams, or create a new workspace for collaboration. Easily duplicate documents across workspaces.

All Highlights In One Place

Your highlights don’t belong in random documents that are messy and difficult to navigate. Save highlights from your favorite PDFs, books, tweets, articles, and more in a simple and searchable library view. Readwise integration available. Native Kindle highlights, web clipper, and audio highlighter coming soon.

Library
Connections
Close All Of Your Tabs

Discover new ideas you won’t find with one-dimensional note-taking and writing apps.
Connect your documents, captures, elements, and highlights and have them all open in one clean interface.

Avoid "Note Taker's Chaos"

Organize your documents, captures, and highlights to find them at the click of a button. Then, open them up to reference while you write.

Tags
Coming Soon

Autoconnections

Snippets

Full mobile app

Global capture

Graph view

Podcast highlighter

Neural search

Source transcriptions

Global capture

kAI editor

And more...

“Obsidian was my favorite note-taking app, and I can confidently say WAS. Good work ya'll."

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Josiah Bujanda

Josiah Bujanda

Second Brain Enthusiast

Used By Those Who Create Change With Words
Creators

Write better newsletters, articles, scripts, and posts.

Writers

Find the right ideas when you need them for books & articles.

Marketers

Outline and draft emails, landing pages, and copywriting.

Teams

Collaborate on interconnected creative projects for innovative solutions.

Note-takers

Organize your digital life and have one place to save your ideas.

Students

Reference course material, take effective notes, and write compelling papers.

Your Writing Will Never Be The Same
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Get Kortex Free
Free for personal use. No credit card required.
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