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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 Free

One 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.

$ gpu-run your-brilliant-fhe-application

Code, Build, Run — All in the Browser

Use high performance FHE library HEaaN™ with a single statement

#include <HEaaN.hpp>
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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

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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.

Start for Free