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FreeFormatHub

Cryptography & Security

Hash, encrypt, and secure your data

8 tools available

Available Tools

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Hash Generator (MD5, SHA-1, SHA-256)

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes with optional salting, multi-algorithm output, hex/Base64 formatting, and detailed metadata — all client-side.

hash md5
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Encryption & Decryption Tool

Encrypt and decrypt text using industry-standard algorithms like AES. Generate secure keys, protect sensitive data, and learn about cryptography.

encrypt decrypt
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Password Generator

Generate cryptographically strong passwords with custom length, character sets, exclusion rules, entropy estimates, and bulk export — all processed locally.

password generate
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Password Strength Checker

Analyze password strength and security with comprehensive checks for common vulnerabilities, patterns, and entropy calculation. Get detailed improvement suggestions.

password strength
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Password Policy Generator

Generate comprehensive password policies with compliance standards, validation rules, and implementation guides for different organizational needs

password policy
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File Hash Integrity Checker

Generate, verify, and compare file hashes for integrity checking using multiple cryptographic algorithms.

hash integrity
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JWT Generator

Generate JSON Web Tokens (JWT) with custom claims, standard fields, and multiple signing algorithms including HMAC and RSA

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Encryption Key Generator

Generate cryptographically secure encryption keys for JWT secrets, API keys, database encryption, and environment variables. Supports multiple formats and key sizes.

encryption key

Why Use Our Cryptography & Security?

Free Forever

No registration, no limits, no hidden costs. Use all tools for free.

Lightning Fast

Instant processing with optimized algorithms and modern web tech.