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Sharpen your thinking.
The free and flexible app for your private thoughts.
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  • Your thoughts are yours.
    Obsidian stores notes privately on your device, so you can access them quickly, even offline. No one else can read them, not even us.
  • Your mind is unique.
    With thousands of plugins and themes, you can shape Obsidian to fit your way of thinking.
  • Your knowledge should last.
    Obsidian uses open file formats, so you're never locked in. You own your data for the long term.
Learn more
Spark ideas.
From personal notes to journaling, knowledge bases, and project management, Obsidian gives you the tools to come up with ideas and organize them.
Create connections between your notes. Link anything and everything — ideas, people, places, books, and beyond. Invent your own personal Wikipedia.
Visualize the relationships between your notes. Find hidden patterns in your thinking through a visually engaging and interactive graph.
Create connections between your notes. Link anything and everything — ideas, people, places, books, and beyond. Invent your own personal Wikipedia.
Create connections between your notes. Link anything and everything — ideas, people, places, books, and beyond. Invent your own personal Wikipedia.
Sync securely.
Access your notes on any device, secured with end-to-end encryption. Learn more.
Publish instantly.
Turn your notes into an online wiki, knowledge base, documentation, or digital garden. Learn more.
  • Seamless editing
    Publish your notes instantly from the Obsidian app, and make it easy for readers to explore your web of ideas.
  • Customization
    Control the look and feel of your site with themes, custom domains, password protection, and more.
  • Optimized for performance
    Obsidian Publish sites are fast, mobile-friendly, and optimized for SEO, no configuration required.
It's your time to shine.
Get Obsidian
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