for smart worldbuilders
For writers
Authors use Notebook.ai to create rich, immersive worlds for their novels, stories, and plays.
Learn moreFor roleplayers
Dungeon masters use Notebook.ai to build worlds for their campaigns and share them with players.
Learn more
Create rich, fictional worlds with your
smart notebook — for free
With a free account, you'll have access to the core building blocks of fictional worlds, personalized writing prompts set in your universe, unlimited document storage, access to a thriving community of other worldbuilders, and more.
Deeper characters
Get to know your characters. Track every detail of their thoughts, appearance, family, and personality.
Promotes creativity
Notebook.ai helps flesh out your ideas by asking you questions about the pages you create.
Write faster and smarter
Use the built-in document editor to quickly reference any detail from any page in your notebook without losing your writing momentum.
Organizable
Focus on one universe at a time and automatically filter everything else out. Reorganize, sort, and write freely.
Searchable
Quickly find anything, anywhere — even that random thought you jotted down at 3am two years ago.
Grows with you
Plan as much as you want in your notebook — for life. The only limits here are your imagination.
Brainstorm together
Invite anyone to review any pages you decide to share. Sometimes a second set of eyes makes all the difference.
Backed up forever
Never lose a notebook full of priceless ideas again. Notebook.ai backs up and protects your work.
No ads, ever
Rest easy knowing your notebook is safe and completely private by default, but shareable if you choose.
It takes a just few seconds to sign up and start materializing the wonderful worlds in your head.
Once you've signed up, you can immediately start creating universes and filling them with your characters, locations, and items. The worlds you create are private, owned by you, and always available on any device, any time you need them.
Our 1,372,255 worldbuilders have created 1,414,548 characters, 305,291 locations, and 149,973 items in 420,385 fictional universes since 2016.
Sign up for Notebook.ai
Take your world to the
next level
with powerful Premium features
More advanced features are available with a Premium subscription. Upgrade or downgrade your account any time to be ready when inspiration strikes.
Create richer worlds
Immerse yourself in vibrant worlds with dozens of specialized notebook pages for your countries, cities, landmarks, and more.
See the full list below ↓Build timelines
Link events together with the characters, locations, and anything else that's relevant — then see your world's stories at a glance.
Document analysis
Our artificial intelligence can analyze your documents for feedback on style, structure, readability, flow, and more.
Start collections
Collections are a new way to organize your worldbuilding — or open them up for content submissions from other users!
Pricing
Accounts can be freely upgraded or downgraded at any time with no hidden fees or penalties.
STARTER
Free forever
Create up to 5 universes
Upload 50MB of images
Create 3 core worldbuilding pages
Write unlimited documents
PREMIUM
$9 per month
Create unlimited universes
Upload 10GB of images
Create all 29 worldbuilding pages
Write and analyze documents
Create timelines
Create collections
PREMIUM
$24 per 3 months
Create unlimited universes
Upload 10GB of images
Create all 29 worldbuilding pages
Write and analyze documents
Create timelines
Create collections
PREMIUM
$84 per year
Create unlimited universes
Upload 10GB of images
Create all 29 worldbuilding pages
Write and analyze documents
Create timelines
Create collections