Hash / HMAC / AES-GCM Encryption

Crypto toolkit: SHA-1/256/384/512 hash calculation, HMAC signing (SHA-256/512), AES-GCM encryption/decryption (PBKDF2 key derivation 256-bit). Built on native Web Crypto API, keys never leave the browser.

Hash Generator

Online hash calculator: SHA-1, SHA-256, SHA-384, SHA-512. Powered by Web Crypto API, computed locally in browser.

HMAC Generator

Online HMAC signature generator: HMAC-SHA256 and HMAC-SHA512. Computed locally in browser, secret key never sent.

AES Encrypt/Decrypt

Online AES-GCM encryption tool: PBKDF2 key derivation 256-bit. Processed locally in browser, ciphertext and password never sent.

MD5 Hash

Online MD5 hash generator: enter text to get a 32-character MD5 hash. Computed locally in browser, data never sent.