0 network requests (verified zero-leak)
Runs locallyCrypto Lab
High-entropy random generator, HMAC signatures, and authenticated AES-GCM cipher envelope.
Processed locally in your browser. Your data never leaves your device.
Related Crypto Tools
View all tools →SHA-256, SHA-384 and SHA-512 digests of text or local files.
Runs locallyOpen tool →
Strong passwords from crypto.getRandomValues() with an entropy estimate.
Runs locallyOpen tool →
Encrypt and decrypt text or local files client-side with AES-256-GCM and PBKDF2.
Runs locallyOpen tool →