ProtectedShare is a privacy-first utility for sharing encrypted notes, credentials, andenv files (EnvShare alternative) alongside a synchronized private notepad. All encryption happens client-side using Web Crypto (AES-256-GCM)—keys never touch the server. Features include split-channel delivery (link + password), atomic self-destructing links, and a synced notebook utilizing local SHA-256 identity hashing to keep account metadata completely anonymous. Edge-native on Cloudflare.
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Maker
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Hey Product Hunt! 👋
I built ProtectedShare because I wanted a simpler, open-source way to share raw configuration values, API keys, and sensitive secure letters with my team without relying on tracking-heavy or closed-source sites.
Our main design focuses:
1. Client-Side Cryptography: All payloads are encrypted locally in your browser using the native Web Crypto API (AES-256-GCM). The server only holds encrypted blobs.
2. Split-Channel Verification: We separate the link and the password so you can send them over separate channels (e.g., link on Slack, decryption password via Signal/SMS).
3. Synchronized Notepad: A secure notepad that syncs notes across your devices without tracking your email. We derive a SHA-256 username hash client-side, making your registration completely metadata-anonymous.
4. Native Edge Architecture: Deployed on Cloudflare Workers and D1 database for sub-millisecond encryption checking.
It’s completely open-source under the MIT license, and we host a free instance for everyone. I'd love to hear your feedback on the encryption flow, the interface, or any features you'd like to see next!