Zero-config client-side encryption for JS & TS
Secure your application data without the hassle of server-side setup.
Why ULDA?
All in the Browser
Data is encrypted and decrypted on the client, so sensitive data never touches your server.
One-line Install
Integrate into any project with a single npm command. No complex configuration needed.
Battle-tested Crypto
Built on top of the Web Crypto API, using industry-standard AES-GCM and RSA-OAEP.
Self-Host with Docker for Full Control
For teams and individuals who require maximum privacy and data sovereignty, ULDA offers a self-hostable sync server. Deploy it on your own infrastructure in minutes to keep your data entirely within your control.
$ docker run ulda/ulda-server:latestTransparent & Fair Licensing
Free for Open Source & Personal Use
ULDA is free for personal, open-source, and educational use, but not for commercial purposes. For commercial projects needing support or advanced features, we offer flexible and affordable licenses.
View Commercial Licensing