Hash Generator

How to Use Type or paste the text you want to hash into the input field. Select your preferred algorithm: MD5, SHA-1, SHA-256, or SHA-512. The hash value generates instantly. Use the copy button to grab the result, and toggle between lowercase and uppercase output. Who Is This For Backend developers testing password hashing implementations, system administrators verifying file integrity checksums, data engineers creating data fingerprints, and security students learning cryptographic concepts. Key Features • MD5, SHA-1, SHA-256, SHA-512 support • Real-time hash generation • Side-by-side comparison of multiple algorithms • Uppercase / lowercase output toggle • Full Unicode input support Frequently Asked Questions Q: Should I use MD5 or SHA-256? A: Always use SHA-256 or stronger for security purposes. MD5 and SHA-1 have known collision vulnerabilities and are no longer recommended for security use. Q: Will the same input always produce the same hash? A: Yes, hash functions are deterministic — identical inputs always produce identical outputs. Q: Can I reverse a hash to get the original text? A: Theoretically impossible by design. However, short or common inputs can be found via rainbow table attacks, which is why salting passwords is essential. Tips Use SHA-256 for file integrity verification. For password storage, use bcrypt or argon2 instead of raw hash functions — they are specifically designed to resist brute-force attacks. Even a single space or case difference changes the hash completely.