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Your mind is unique. With hundreds of plugins and themes, you can shape Obsidian to fit your way of thinking. Your knowledge should last. Obsidian uses open, non-proprietary files, so you're never locked in, and can preserve your data for the long term. Free for personal use.
Obsidian is available on all major platforms. Download Obsidian for iOS, Android, macOS, Windows and Linux.
We believe that your thoughts and ideas belong to you and deserve complete privacy. That's why your data is stored on your device, inaccessible to us. When you use our online services, your data is protected with end-to-end encryption for maximum security.
Canvas allows you to organize notes visually — an infinite space to research, brainstorm, diagram and lay out your ideas. Embed your notes alongside images, PDFs, videos, audio, and even fully interactive web pages.
Obsidian Sync is the simple and secure way to synchronize your Obsidian notes across any device and OS.
Obsidian is a personal knowledge base and note-taking software application that operates on Markdown files. [3] [4] It allows users to make internal links for notes and then to visualize the connections as a graph. [5] [6] It is designed to help users organize and structure their thoughts and knowledge in a flexible, non-linear way.
A fresh way to browse. An exciting new start. Brand new look. Obsidian 1.0 has been thoroughly redesigned on desktop and mobile. The new design is not only more beautiful to look at, it's also more robust, accessible, and easier to theme. Browse your brain. You can now open notes in tabs!
## What is Obsidian. Obsidian is both a Markdown editor and a knowledge base app. But its true power lies in managing a densely networked knowledge base. How do we start creating a network, you ask? Let's first start making some [[Internal links]]! ### You own and control your data.
Obsidian (/ ə b ˈ s ɪ d i. ən, ɒ b-/ əb-SID-ee-ən ob-) is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth. It is an igneous rock. Obsidian is produced from felsic lava, rich in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium.
With hundreds of plugins and our open API, it's easy to tailor Obsidian to fit your personal workflow.
