MD5 Hash Generator

Generate MD5 hash from any text input. Create 128-bit hash values for checksums, file verification, and non-security-critical fingerprinting.

Text to hash

How It Works

MD5 (Message Digest Algorithm 5) produces a 128-bit hash value, typically displayed as a 32-character hexadecimal number. While MD5 is no longer considered cryptographically secure (collision attacks are practical), it remains widely used for non-security purposes like file checksums, data deduplication, and cache keys.

Formula

MD5(text) = 32-character hexadecimal string

MD5 processes input in 512-bit blocks through 4 rounds of operations using different auxiliary functions. The output is always 128 bits (32 hex characters). MD5's speed makes it useful for quick checksums, but its collision vulnerabilities make it unsuitable for security applications.

Examples

Input	Output
Hello World	b10a8db164e0754105b7a99be72e3fe5
hello world	5eb63bbbe01eeed093cb22bb8f5acdc3
	d41d8cd98f00b204e9800998ecf8427e

Frequently Asked Questions

Is MD5 still safe to use?▾

MD5 is NOT safe for security purposes like password hashing or digital signatures — practical collision attacks exist. However, MD5 is still acceptable for non-security uses like file checksums for accidental corruption detection, cache keys, and data deduplication where intentional attacks are not a concern.

What should I use instead of MD5 for security?▾

For security purposes, use SHA-256 or SHA-512 for data integrity, and bcrypt, Argon2, or PBKDF2 for password hashing. These algorithms are resistant to known attacks and provide appropriate security margins for modern applications.