4 years ago, I started building HyperCrypt because users kept forgetting passwords on my event platform. Everyone said "just use AES" and "you're wasting your time." I kept building. HyperCrypt uses device fingerprinting for auto-decrypt on YOUR device. No password needed for yourself. Other devices? Requires password or won't decrypt. 4 years later: comparable security, unique features, production-ready. Launch special: 20% off with code LAUNCH20 Try it: https://hypercryt-11fae.web.app/
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Maker
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Hey Product Hunt! 👋
I built HyperCrypt after hitting the same wall over and over across multiple projects: password fatigue is killing user experience.
Here's what happened: I was building secure apps for my businesses (auto services, device repair, transportation) and every single time, I'd watch users struggle. They'd forget passwords, get locked out, abandon sign-ups, or worse—use "password123" because they were tired of managing credentials.
The breaking point? Watching a customer get frustrated trying to access their appointment history because they couldn't remember which variation of their password they used. That's when I realized: we're solving the wrong problem.
Instead of making passwords "better," what if we eliminated them entirely by binding encryption directly to the user's device?
That's HyperCrypt. It combines:
Device fingerprinting (screen, browser signature, canvas hash, hardware specs)
Chunking-based permutation encryption (my own algorithm)
Auto-decrypt on recognized devices (zero password entry)
Recovery keys (for device changes/upgrades)
The result? Users decrypt data automatically on their device. No passwords to remember, no authentication servers to breach, no credential stuffing attacks.
I'm launching with three tiers because I know different devs have different needs—from solo builders to enterprises. Been using it in production across my own apps and it's been a game-changer.
Would love your feedback, especially from fellow devs building secure apps! 🚀