Welcome
Johnny.Decimal is a system that helps you be more organised. It gives you a simple structure so you can easily find your stuff.
Everything gets an ID like 12.12 Home insurance & claims.
The system is free. Use it at home or work. It works best with an app like Obsidian, but use whatever you want. You control your own data.
We sell systems and training that make your life easier. Create a free account and get access to more content and tools. I'll add you to our mailing list: one-click unsubscribe, view our privacy policy.
Already have an account? Sign in.
Always free to read and use. Start with the introduction.
- Beginner concepts 10 pages
- Further reading 9 pages
- System expansion 7 pages
- Utilities 4 pages
Get help on the forum, Discord, or email me.
Press the / key to search the site. This includes the documentation, blog, support, and systems or courses you own.
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Memberships
We sell systems and training that save you time, and make your life easier. This is how Lucy and I can work on this full-time, and how we can keep the documentation free and our communities open to all.
Your office manager
With a Business account
You started a business because there's a thing you do better than anyone else. But instead of creating and selling that thing, you spend your day wondering where to file receipts. This is where we come in.
The Small Business System is a complete Johnny.Decimal structure for your business. It runs hundreds of businesses, including ours.
- System management
- 6 categories
- 6 categories
- 6 categories
- 7 categories
- Your work packages
Learn & build
With a Pro account
The Workshop is the Johnny.Decimal masterclass. In the 5-hour 52-video series, my partner Lucy takes decades of her own life's data, and turns it into one neat system. I teach her every concept from scratch.
You build your own system alongside her. By the end you'll be an expert, and you'll finally know where everything is.
- 4 videos
- 11 videos
- 9 videos
- 9 videos
- 9 videos
- 10 videos
Tame your tasks
With a Pro account
Modern life is a never-ending list of things to do. It's hard enough to organise these tasks, let alone find the time to get them all done.
I've solved this problem. In our 5-hour 37-video Task and Project Management course, I show you how.
- 4 videos
- 6 videos
- 9 videos
- 4 videos
- 1 video
- 13 videos
Hand it to your AI
With a Pro account
The MCP server lets your agent read everything your account has access to. It can 'move you in' to your system, automatically, in an afternoon.
And I've given it almost half a million words of my writing, so it can 'read my mind' on any organisational issue.
- 14 tools
- 3 endpoints
Sort your life out
With a Personal account
The Life Admin System is a ready-made Johnny.Decimal structure that contains the common stuff we all do. I use it to organise my own life.
141 meticulously designed IDs across 5 categories give you a place for everything. You'll be more organised by the end of the day.
- 47 IDs
- 32 IDs
- 26 IDs
- 15 IDs
- 21 IDs