SHA-256 / MD5 Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes instantly. Text, file, and compare mode. 100% client-side.
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Frequently Asked Questions
What is SHA-256?
SHA-256 is a cryptographic hash function that produces a fixed 256-bit (64-character hex) digest. It is widely used for data integrity verification, digital signatures, and blockchain technology.
Why is MD5 considered weak?
MD5 is vulnerable to collision attacks — two different inputs can produce the same hash. It should not be used for security purposes. However, it is still commonly used for legacy checksums and non-security file verification.
Why does Web Crypto not support MD5?
The Web Crypto API intentionally excludes MD5 because it is cryptographically broken. This tool uses a JavaScript library (SparkMD5) for MD5 hashing instead.
Is my data secure?
Yes. All hashing happens in your browser using the Web Crypto API (SHA) and SparkMD5 (MD5). No data is sent to any server.