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Dev tools · August 30, 2026

CYPHR

Secure API Key storage for developers

What it does

CYPHR is a secure, lightweight API key storage built for developers. Store your keys in one place instead of scattering them across dotenv files, devices, notes, or password managers. Keys are encrypted with AES-256-GCM before storage, with fast global access via Cloudflare Workers and simple GitHub OAuth login. Fully open source and free to use, with up to 15 keys per user. No unnecessary enterprise complexity, just a simple way to store, manage, and access your API keys wherever you work.

CYPHR is a simple, open-source API key manager for securely storing, organizing, and managing your API keys.

Store, organize and manage your API keys in one secure, beautifully simple vault. Secrets are encrypted using AES-256-GCM before they are persisted. CYPHR is open source, so you can inspect exactly how your credentials are handled. A focused interface for managing credentials without another complicatedfrom cyphr.pages.dev

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