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API & Security
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API & Security
JWT, Base64, hashing, UUID and security utilities
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JWT Decoder
Decode and inspect JWT tokens — header, payload and signature.
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Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to plain text.
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URL Encoder/Decoder
Encode special characters for URLs or decode URL-encoded strings.
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Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 cryptographic hashes.
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UUID Generator
Generate cryptographically secure UUIDs (v4) in bulk.
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Password Generator
Generate strong, cryptographically secure random passwords.
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IP Address Lookup
Look up geolocation and info for any IP address.