A modern stream cipher with a 512-bit state, optimized for performance and security. With symmetric and asymmetric encryption. All processing happens entirely in your browser - your data never leaves your computer.
Our cipher system offers high-performance encryption with a focus on local privacy and modern security standards
An ARX-based design with 20 rounds of operations ensures a high level of security, resistant to differential and linear cryptanalysis.
All encryption and decryption happens locally in your browser. Your files never leave your computer and are never uploaded to any server.
Optimized for JavaScript with native 32-bit operations, our cipher provides lightning-fast encryption even for large files.
No subscriptions, no hidden fees. We believe privacy should be accessible to everyone, so we offer this tool completely free of charge.
Works directly in your browser with no software to download or install. Access your encrypted files from any device with a modern web browser.
Your password is strengthened with PBKDF2-HMAC-SHA256 and a random salt to protect against brute-force attacks.
Our tool makes file encryption simple and accessible to everyone
Select any file or text that you want to protect. There are no restrictions on file type.
Create a secure password that will be used to encrypt your file, or create a key pair and share the public key to encrypt files and only you can decrypt them. The password and keys is never stored or transmitted.
Your file is encrypted locally in your browser. The original remains unchanged.
Upload the encrypted file later and enter your secret key to decrypt it and access your original content.
Here's what our users say about CustomFlow-256
Start protecting your sensitive data with CustomFlow-256 today. No registration required - begin encrypting right away.
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