Protect your data.
From everyone.

Stealth is end-to-end encrypted personal cloud storage with private search, file sharing, and (soon) AI — built so nobody but you can read your data. Not even us.

Your data’s yours.

Unlike other platforms, Stealth is designed to respect your privacy from the bottom up — without sacrificing the features you need.

End-to-end encrypted

AES-256 with keys only you hold. Not even Cyborg can read your files.

Share securely

Send encrypted files to anyone — Stealth users, or via an encrypted link.

No compromises

Privacy without the missing-features problem. Built for everyday use.

The private collaboration platform.

Search, share, and store — all without ever surrendering plaintext.

Zero-knowledge
AES-256 encryption

✓ Everything is end-to-end encrypted with your keys.
✓ No one — not even Cyborg — can view your documents or metadata.
✓ We can’t use your data, so no AI training or privacy invasion.

On your device

medical-history.pdf

plaintext · only on your machine

↓ AES-256-GCM ↓

7c4fa1d2…e8b39a · ciphertext blob

uploaded to Stealth · we see only this

Industry-first
encrypted search engine

✓ Search file contents without decrypting.
✓ End-to-end encrypted data usually can’t be searched, since it can’t be read server-side.
✓ Stealth is the only platform to provide end-to-end encrypted search.

tax return 2023 → trapdoor

2023-tax-return.pdf page 4 · "adjusted gross income"

0.94

tax-folder/W2-2023.pdf metadata · year=2023

0.81

receipts-q4.zip ocr · "tax deductible"

0.62

End-to-end
encrypted file sharing

✓ Share confidential files in complete privacy.
✓ Only you and the intended recipient have the decryption keys.
✓ Share directly with Stealth users or via an encrypted link.

Use Stealth everywhere.

The same encrypted store, on every device you use.

Web

iOS

Android

Take your data back.

Free during early access. Your files, your keys, your terms.

Protect your data. From everyone.