Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text instantly. All hashing happens in your browser — nothing is sent to a server.
How to use
- Type or paste any text into the input field.
- MD5, SHA-1, SHA-256, and SHA-512 hashes update in real time as you type.
- Click the Copy button next to any hash to copy it to the clipboard.
Frequently asked questions
What is the difference between MD5, SHA-1, SHA-256, and SHA-512?
MD5 and SHA-1 are older algorithms considered cryptographically broken for security uses. SHA-256 and SHA-512 are part of the SHA-2 family and are still considered secure. Use SHA-256 or SHA-512 for any security-sensitive hashing.
Can I reverse a hash to get the original text?
No. Hash functions are one-way. You cannot reverse a hash to get the original input. This is by design — hashes are used to verify integrity, not to store recoverable data.
Is my input sent to a server?
No. All hashing happens entirely in your browser using the Web Crypto API (for SHA) and a pure JavaScript MD5 implementation. Your input never leaves your device.
Should I use MD5 for passwords?
No. MD5 is not suitable for password hashing. Use bcrypt, scrypt, or Argon2 for passwords. These algorithms are designed to be slow and resistant to brute-force attacks.