Write your notes
in minutes, not hours
The ultimate notepad with all you need to capture your thoughts, collaborate with others, and share your ideas online fast.
Why writers choose Catetan
Designed for speed and simplicity, Catetan helps you focus on what matters most - your content.
Lightning Fast
Create and save notes instantly with our optimized editor and real-time saving.
Beautiful Editing
Enjoy a distraction-free writing experience with syntax highlighting and markdown support.
Instant Sharing
Share your notes with a single click and collaborate with others in real-time.
Autosave
Never lose your work with continuous automatic saving.
Collaboration
Work together with your team in real-time with live cursors.
Privacy
Your notes are private by default and only shared when you choose.
Export
Download your notes in various formats with a single click.
How Catetan Works
Simple, powerful, and free. No registration required.
Create a Note
Click "New Note" and start typing. Your note is automatically saved and given a unique URL.
Edit & Format
Use our intuitive editor with markdown support to format your content exactly how you want it.
Share & Collaborate
Share your note's URL with anyone to collaborate in real-time or let them view your content.
What Our Users Say
Join thousands of satisfied writers who use Catetan every day.
"Catetan has completely transformed how I take notes. The real-time collaboration feature is a game-changer for my team."
"I love how fast and responsive the editor is. No lag, no fuss, just pure writing pleasure. And it's free!"
"As a student, I needed something simple yet powerful for my notes. Catetan is exactly what I was looking for!"
Ready to start writing?
Join thousands of writers who trust Catetan for their note-taking needs.
Create Your First Note