CRYPTO/AES
Text Encrypt / Decrypt
AES-256-GCM text encryption with PBKDF2 password derivation, all in-browser.
AES-256-GCM · PBKDF2-SHA256 · 150k iterations · client-side only
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Check card numbers with the Luhn algorithm and detect the card brand.
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Estimate password entropy, character-set coverage, and crack time in real time.