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DataFormatTools
Security Suite · 13 Tools

Security Developer Tools

Cryptographic security utilities including JWT decoder, UUID v4/v7 generator, validator, MD5/SHA-256/SHA-512 hashes, HMAC, and password generators.

SECURITY INSPECTOR

JWT Decoder

Decode and inspect JSON Web Tokens (JWT) online. View header, payload claims, expiration timestamps, and signature status in your browser.

Header & Payload claims inspectorExpiration date & countdown timerIssued-at diagnostics
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GENERATOR

UUID Generator

Generate secure random UUID v4 and time-sorted UUID v7 identifiers online. Single or bulk UUID generation with hyphen/uppercase options.

UUID v4 (Random)UUID v7 (Time-ordered RFC 9562)Batch quantity (1 to 50)
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VALIDATOR

UUID Validator

Validate UUID and GUID strings online. Verify RFC 4122 compliance, detect UUID version (v1-v7), and check timestamp variants in your browser.

Version detection (v1-v7)Variant inspectionNil UUID detection
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HASH GENERATOR

MD5 Hash Generator

Calculate 128-bit MD5 cryptographic hash checksums from text strings online. Fast, secure client-side hashing directly inside your web browser.

RFC 1321 complianceInstant live hashingHexadecimal 32-char output
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CRYPTO HASH

SHA-256 Generator

Generate secure 256-bit SHA-256 cryptographic hashes from text online using Web Crypto API. 100% private in-browser hashing with zero uploads.

Hardware-accelerated Web Crypto API256-bit secure hash (64 hex chars)Zero server transmission
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CRYPTO HASH

SHA-512 Generator

Generate high-security 512-bit SHA-512 cryptographic hashes from strings online using native Web Crypto API. Fast and private client-side hashing.

512-bit military-grade hash128 hexadecimal charactersHardware-accelerated client-side execution
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HASH GENERATOR

SHA-1 Generator

Compute 160-bit SHA-1 cryptographic hash checksums online using browser Web Crypto API. Fast, instant text hash generation with zero server calls.

160-bit hash (40 hex chars)Web Crypto API executionZero server calls
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CRYPTO HASH

SHA-384 Generator

Compute 384-bit SHA-384 cryptographic hash checksums online using native Web Crypto API. Secure, private string hashing directly in your browser.

384-bit cryptographic digest96 hexadecimal charactersWeb Crypto API
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CRYPTO TOOL

HMAC Generator

Generate HMAC keyed-hash message authentication codes (SHA-256, SHA-512, SHA-1, MD5) online with secret key signing directly in your browser.

HMAC-SHA256 computationCustom secret key inputWeb Crypto API execution
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SECURITY TOOL

Password Generator

Generate cryptographically strong, random passwords and passphrases online with customizable length, symbols, and numbers using Web Crypto API.

CSPRNG crypto.getRandomValues()Custom length (6 to 128)A-Z, a-z, 0-9, and symbols options
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IDENTIFIER GENERATOR

ULID Generator

Generate Universally Unique Lexicographically Sortable Identifiers (ULID) online. Inspect 48-bit timestamps and 80-bit randomness in your browser.

128-bit compatibility with UUIDLexicographically sortableCrockford Base32 notation
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IDENTIFIER GENERATOR

Nano ID Generator

Generate compact, secure, URL-friendly unique Nano IDs online. Customize alphabet, string length, and batch size directly inside your web browser.

Compact 21-character IDsURL-safe alphabet (A-Za-z0-9_-)High cryptographic entropy
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SECURITY TOOL

Hash Compare Tool

Compare two cryptographic hashes online. Verify SHA-256, MD5, and SHA-512 checksum parity with case-insensitive matching and instant integrity diagnostics.

Case-insensitive hex matchingAutomatic algorithm detection (MD5, SHA-1, SHA-256, SHA-512)Timing-safe string comparison
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Client-Side Privacy: All Security processing runs locally inside your browser session. Your input data is never sent to a remote API.