WebCrypto API
Native Hardware Acceleration
Hash: 7d3c9a4b2f8e1...
Status: Keys generated locally.
About SecretBridge
Privacy shouldn't be a premium feature.
Built for journalists, corporate teams, and privacy advocates. We noticed a gap in the market: most "secure" file sharing services still hold the keys to your data.
SecretBridge changes the paradigm. By leveraging modern browser capabilities like the WebCrypto API and Compression Streams, your data is encrypted before it ever leaves your device.
- No Accounts Required
- No Software to Install
- 100% Free to Use
Enterprise-Grade Features
Everything you need to stay secure.
Parallel Chunking
Large files are sliced into 5MB chunks and uploaded concurrently. Maximizes your bandwidth and ensures reliability without freezing your browser.
End-to-End Encrypted
AES-GCM 256-bit encryption occurs locally. The encryption key is derived from a PIN that only you and your recipient know. We never see it.
Digital Shredder
Files are stored in temporary memory buffers and are permanently shredded from our solid-state drives after 10 minutes or exactly one download.
Our Architecture
Why Trust SecretBridge?
Your data, your rules. We literally can't see your files.
Absolute Zero Knowledge
Data is encrypted on your device (Client-side) before transit. The server only receives mathematical garbage (ciphertext). We don't possess the decryption keys.
Native Browser Compression
Before encryption, payloads are compressed using the browser's native CompressionStream API. This reduces transit sizes by up to 40% without sending unencrypted data over the wire.
Guaranteed Auto-Burn
A 10-minute timer starts the moment your upload finishes. The file is permanently deleted from the database whether it has been downloaded or not. No backups, no recovery.
It's incredibly simple.
3 steps to secure your most sensitive data.
Upload & Lock
Select your files and set a custom 6-digit PIN. The data is compressed and encrypted directly within your browser.
Share the Link
Once uploaded, a Magic Link and Vault ID are generated. Share these with your recipient via any chat app.
Unlock & Burn
The recipient enters the PIN to decrypt the files locally. Upon successful download, the server shreds the ciphertext.