Local-first

Every note is a real file on your machine. We don’t host your archive. That isn’t nostalgia — it’s the only way notes stay yours when tools change.

Where notes live

By default Markdown Locker saves to:

~/Documents/Markdown Locker

That folder is ordinary. Finder can open it. Spotlight can index it. VS Code, Obsidian, or any text editor can read the same .md files. There is no proprietary database you have to export from.

Why this matters for AI

When Think runs, it uses context from files already on disk. Your API key talks to the model you choose; the locker stays local. You are not uploading a permanent copy of your life into our servers — because we don’t run that kind of store.

Local-first also means offline capture still works. Connectivity is for models and page fetch when you ask for it — not for permission to save a thought.

Privacy, simply

Notes are files under your user account
Pro and license state stay on the device
API keys you paste stay on the device
We don’t need an account just to write a note

Cloud is optional elsewhere. Sync the Documents folder with iCloud or another tool if you want multi-device. Markdown Locker doesn’t force a cloud identity to exist.

Durability

Formats come and go. Plain markdown has survived decades of app churn. Building on it is a bet that your notes should still open in ten years — with or without this app.