Free Online Security Tools
Free cryptographic and security tools that run entirely in your browser. Generate MD5 and SHA-256 hashes from text or files, create cryptographically secure random passwords with custom character sets, and evaluate password strength with entropy analysis and crack-time estimates — all without sending any data to a server.
MD5 Hash Generator
Generate MD5 hash digests from text or files online for free. Useful for checksums, data integrity verification, and legacy systems. No signup required.
SHA-256 Hash Generator
Generate SHA-256 cryptographic hashes from text or files online for free. Industry-standard hashing for security and data integrity. No signup required.
Password Generator
Generate strong, random passwords online for free. Customize length, character types, and security level for maximum protection. No signup required.
Password Strength Checker
Check how strong your password is online for free. Get a detailed security score, estimated crack time, and improvement suggestions. No signup required.
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