Cryptography
Encode and decode text with ROT13 or any Caesar cipher shift (1-25). Live preview, brute-force all 26 rotations, preserves case and non-alpha characters.
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes from text or files with comparison mode.
Encode and decode URLs and query parameters with a built-in URL parser.
Generate cryptographically secure random strings and passphrases with strength analysis.
Encode and decode HTML entities with a searchable reference table of 70+ common entities.
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