Back to Tools
MD5 Hash Generator
MD5 Hash Generator
Secure Message-Digest Algorithm 5 (128-bit)
0
0
About the MD5 Hash Generator
Generate an MD5 hash of any text. MD5 produces a 128-bit fingerprint shown as 32 hexadecimal characters and is commonly used for file checksums.
How to use the MD5 Hash Generator
- Enter your text.
- Press Generate MD5 Hash, optionally choosing Uppercase Hash.
- Use Copy Hash or .TXT to keep the result.
Worked example
The MD5 hash of "hello" is 5d41402abc4b2a76b9719d911017c592.
A known value. The MD5 hash of hello is 5d41402abc4b2a76b9719d911017c592. Change one letter and the hash is completely different.
When to use the MD5 Hash Generator
- Checking that a downloaded file or a text is unchanged.
- Creating a quick fingerprint for a cache key or an identifier.
- Comparing data without storing the original.
Common mistakes to avoid
- Using MD5 for passwords or security. It is fast to attack and known to be broken for that purpose.
- Expecting to reverse a hash back into text.
Tips
- MD5 is broken for security: collisions can be created deliberately. Do not use it for passwords or digital signatures.
- It is still fine for non-security checks such as detecting accidental file corruption.
- For security purposes, use SHA-256 or a dedicated password hashing algorithm such as bcrypt or Argon2.
Frequently Asked Questions
A hash cannot be mathematically reversed, but weak inputs can be guessed with lookup tables, which is why unsalted MD5 is unsafe for passwords.
It is fine for non-security checks such as spotting accidental changes, but not for passwords or signatures. Use SHA-256 or stronger for security.