Welcome to Ninja Notes
Take secure notes using Ninja Notes with end-to-end encryption and effortless organization.
Lots of features - Zero complexity
End-to-End Encryption
Take security to the next level by using Ninja Notes. Every note is encrypted on the client side before being sent to the cloud. This means that no one, not even an admin of the database, except you can see your notes.
Collections
Easily keep track of your notes by sorting them into different collections.
Cloud-Saving
Access your secure notes on any device.
Free & Open Source
Ninja Notes is completely free to use — no subscriptions, no hidden costs. Its entire source code is publicly available on GitHub, encouraging developers to inspect, contribute, or customize the project to fit their needs. Built with transparency and community in mind, Ninja Notes is licensed under the permissive MIT license, allowing anyone to use, modify, and distribute the software with minimal restrictions.