

Code, Build, and Accelerate FHE Applications — Seamlessly in the Cloud
CODE.HEAAN is your browser-based platform for coding, building, and executing high performance Fully Homomorphic Encryption(FHE) applications with GPU acceleration — no local setup, no hardware dependency.
Start for FreeOne Click to Start Coding
You bring the ideas. We bring the manual how to utilize HEaaN for realizing your idea, GPU, compiler, storage, and deployment as well.
Code, Build, Run — All in the Browser
Use high performance FHE library HEaaN™ with a single statement

Run your projects inside a cloud container configured to your needs. - Compatible with your existing C++ toolchains - Code on CPU instance, offload compute to GPU on demand - All your files are safely stored in the cloud

Perfect for
FHE Developers AI/ML Researchers CUDA-based Simulation Engineers GPU-heavy data processing tasks
Built for Global Developers
Whether you're in Seoul, San Francisco, or Shanghai, CODE.HEAAN adapts to your region and currency.
- Stripe, PayPal, Alipay, WeChat Pay, and more for International Users
- User accounts and projects are isolated and secure
Pay for GPU Usage Only
Your coding session runs on a lightweight CPU container. Almost you have to manage is how often you request GPU execution.
- Transparent per-minute GPU pricing
- Prepaid credits or global payment gateways (Stripe, Toss, …)
- Secure and compliant payment infrastructure
We currently offer the beta service for free, with paid plans to be introduced later.
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