Using Notion and Obsidian usually means paying a "two-tool tax"—endless copying and pasting, broken links, or losing formatting entirely when exporting. N2O Sync solves this by bridging the two applications into a single, unified workspace. Most tools in this space are one-way, properties-only, or destructive. N2O provides true bidirectional content sync with complete visual fidelity, keeping both platforms current without ever overwriting your work.
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Maker
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Hey Product Hunt, I am Simha, the developer behind N2O Sync.
I built this tool to solve a problem I was facing daily. If you use both Notion for team collaboration and Obsidian for deep personal work, you are paying a two-tool tax. You either accept the friction of copying and pasting, or you try to export your Notion data and end up with broken links, messy UUID filenames, and dead databases.
There are over 1.46 million installs of basic import tools in the Obsidian ecosystem. The demand to own your data locally is massive, but 19 different GitHub repos have attempted to bridge these two apps and nearly all of them are one-way, properties-only, or destructive. N2O Sync changes that. It provides true bidirectional content sync between Notion and Obsidian. Your databases, toggles, and callouts survive the trip.
As a developer, code security and data privacy are non-negotiable for me. I refuse to let my private data get scraped or data-mined for AI training. That is why N2O is built to operate entirely locally. Your content never touches an N2O server. Sync traffic only routes between your machine and the official Notion API. We have two versions available today:
N2O Sync Lite: A free, open-source tool to pull a readable, always-current Markdown backup of your Notion workspace directly into your vault.
N2O Sync (Pro): For users who want to make Notion and Obsidian one workspace, allowing edits on either side without overwriting your work.
I would love for you to try it out. Let me know what you think of the sync engine, and I am here all day to answer any technical questions you have about how we handle the block diffing and merge conflicts!
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The bidirectional sync sounds like a dream for anyone bouncing between the two apps daily. One thing that would seal the deal for me: a conflict resolution prompt when both sides have been edited offline, showing a clear diff so I can pick which version wins instead of losing changes silently.
The bidirectional sync sounds like a dream for anyone bouncing between the two apps daily. One thing that would seal the deal for me: a conflict resolution prompt when both sides have been edited offline, showing a clear diff so I can pick which version wins instead of losing changes silently.