FreeToolsHub
Category Hub • 15 Utilities Available

Security & Cryptography Utilities

Secure your digital workspace with our suite of free cryptography and utility tools. Generate highly secure, random passwords, calculate SHA-256, SHA-512, or MD5 cryptographic hashes, and encode/decode text or files using Base64. Built using standard, trusted cryptographic libraries directly in your browser, these tools guarantee that your generated passwords and sensitive data never transit across the internet.

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Explore Security & Cryptography (15)

MD5 Hash Generator

Calculate standard cryptographic 32-character MD5 checksums for strings.

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SHA-256 Hash Generator

Generate secure SHA-256 cryptographic hashes for text.

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SHA-512 Hash Generator

Generate 128-character SHA-512 cryptographic hashes for text.

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Password Generator

Generate highly secure, custom-length random password credentials.

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Bcrypt Hash Generator & Verifier

Generate salted bcrypt password hashes and verify matches.

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HMAC Generator

Calculate Keyed-Hash Message Authentication Codes (HMAC) using hashes.

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ROT13 Cipher

Rotate text characters by 13 positions to obfuscate contents.

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Caesar Cipher

Encrypt or decrypt messages using classic character shift cipher keys.

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Base32 Encoder/Decoder

Encode text strings into Base32 layout or decode them back.

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Password Strength Meter

Evaluate password complexity, entropy scores, and estimate crack times.

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RSA Key Pair Generator

Generate public and private keys (512, 1024, 2048 bits) in PEM format.

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Password Leak Checker

Check if a password has been compromised against common leaked databases.

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Subnet IPv4 Calculator

Calculate network/broadcast address, range, and host counts from CIDR blocks.

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Port Status Scanner

Simulate diagnostic port connection checklists (e.g. 80, 443, 22, 21, 3306).

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XSS Payload Tester

Check input scripts against common cross-site scripting payload injections.

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Why Use Our Security & Cryptography?

Our tools are built with security, high-performance, and excellent UI in mind. Here is what makes them unique.

Cryptographically Secure

Uses browser Web Crypto APIs for true randomness.

Pure Offline Execution

No data is sent to a remote server.

Industry Standard Hashes

Standard hash algorithms for validation.

Frequently Asked Questions

Find answers to common questions about Security & Cryptography.

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