Share in shadows.
Control in light.

Encrypt files, control how they're accessed, choose who can download them, and automatically expire access—all without creating an account.

AES-256-GCM
Zero Knowledge
No Account Required
All File Types
Instant Processing
Privacy First

Why HellSecure?

View Only Mode

Maintain absolute control. Recipients can view your sensitive files, but cannot download them. Right-clicks and selection are disabled.

Self-Destruct Limits

You decide exactly how many times a file can be opened. Once the limit is reached, the key and data self-destruct permanently.

Automatic Expiration

Files automatically expire based on your chosen rules, ensuring they don't live forever on the web.

Client-Side Encryption

Your file is encrypted locally in your browser using AES-GCM-256. The server never sees your plaintext data or your password.

Zero Storage Policy

We act as a secure bouncer, not a cloud drive. We store only encrypted blobs and hash keys, physically unable to read your files.

Quantum-Resistant

By using AES-256 and Argon2id, HellSecure's cryptography remains mathematically secure even against hypothetical future quantum computers.

Brute-Force Proof

Our 256-bit encryption keys and high-memory Argon2id hashing make offline password cracking and brute-force attacks impossible.

Works Everywhere

Supports documents, images, videos, archives, and every major file format effortlessly.

Paranoid Mode

For ultimate security, optionally double-encrypt your files using a layered combination of AES-256 and XSalsa20-Poly1305.

Ghost Mode

Hide your encrypted text in plain sight. Ghost Mode weaves your secret data invisibly into the pixels of an ordinary image.

How It Works

1

Upload Your File

Select any file up to 500MB.

2

Set Protection

Choose view-only or download mode, and set usage limits.

3

Share Package

Send the encrypted .hell file and key separately.

4

Recipient Decrypts

They use the key to access the file securely.

The Zero-Knowledge Split-Key Architecture

1. 100% Local Encryption

Your browser generates a Master Key and encrypts the file. The plaintext file never leaves your device.

2. The Split

The Master Key is split in half. Key A stays with you. Key B goes to our server along with your security rules.

3. Server-Enforced Rules

Your friend needs both halves. Our server only releases Key B if your strict rules (e.g., time limits) allow it.

Time-Bomb Your Files

Set strict expiration timers. After 24 hours (or whatever you choose), the server destroys Key B, making decryption mathematically impossible.

Burn After Reading

Set a 1-time download limit. Once the file is opened by the recipient, the server deletes Key B, ensuring it can never be opened again by anyone.

Zero-Knowledge Proof

Because we only ever hold half of the key (Key B), we couldn't read your files even if we wanted to or were legally forced to.

Track & Revoke Access

Use your exclusive Management Key to monitor if and when your file has been opened, or instantly hit the kill switch to destroy the file forever.

Who is HellSecure For?

For Developers

Securely share .env files, database credentials, or API keys with a 1-time view limit so they never leak into chat logs.

For Professionals

Send confidential legal documents, financial records, or medical data with a strict 24-hour expiration date and View-Only protections.

For Privacy Advocates

Share sensitive media or personal files with absolute peace of mind, knowing you have a server-side kill-switch to revoke decryption access at any time.

Frequently Asked Questions