Security Tools & Calculators
Security utilities powered by the W3C Web Cryptography API (SubtleCrypto). No secrets, passwords, or hashes are ever transmitted over the network.
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Secure Password Generator
Generate cryptographically secure passwords locally via crypto.getRandomValues() with accurate real-time entropy scoring and zero server transmissions.
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UUID Generator (v4 & v7)
Generate random UUID v4 and time-ordered UUID v7 identifiers locally using native browser crypto primitives with bulk and case options.
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Cryptographic Hash Generator
Compute secure cryptographic message digests client-side using native window.crypto.subtle and pure JS MD5 with legacy safety indicators.
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Base64 Encoder & Decoder
Encode or decode text to Base64 ASCII strings with full multi-byte Unicode UTF-8 handling.
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URL Encoder & Decoder
Convert special characters to percent-encoded hex sequences (%20) and decode URI strings.