Hash Generator

Represents endurance, nobility, and perseverance — robust and reliable for the long haul.

Generate MD5, SHA-256, SHA-512 hashes instantly. All algorithms displayed at once with security indicators.

Enter text to hash

Understanding Hash Algorithms

MD5 (128-bit)

Fast but cryptographically broken. Use only for non-security checksums like file integrity verification where tampering isn't a concern.

SHA-1 (160-bit)

Deprecated since 2017. Collision attacks are practical. Avoid for new systems; use only for legacy compatibility.

SHA-256 (256-bit)

Industry standard for security. Used in SSL/TLS, Bitcoin, and most modern cryptographic applications. Recommended for most uses.

SHA-512 (512-bit)

Maximum security with 512-bit output. Slightly slower but provides the highest collision resistance available.

Common Use Cases

File Integrity

Verify downloaded files haven't been corrupted or tampered with by comparing hashes.

Data Deduplication

Quickly identify duplicate files by comparing their hash values instead of content.

Digital Signatures

Create unique fingerprints for documents to ensure authenticity and detect modifications.

Frequently Asked Questions

What is a hash?▼

A hash is a fixed-size string generated from input data using a mathematical algorithm. The same input always produces the same hash, but you cannot reverse a hash back to the original data.

Is my data secure?▼

Yes! All hashing happens 100% in your browser using JavaScript. Your data never leaves your device - we don't send anything to our servers.

What's the difference between MD5 and SHA-256?▼

MD5 is faster but cryptographically broken (vulnerable to collisions). SHA-256 is the industry standard for security. Use SHA-256 for anything security-related.

Can I use hashes for passwords?▼

Not directly. For password storage, use specialized algorithms like bcrypt, scrypt, or Argon2 that include salting and key stretching. Plain hashes are too fast and vulnerable to rainbow tables.

What is the Verify mode for?▼

Verify mode lets you check if a file or text produces an expected hash. This is useful for verifying downloaded files match the hash provided by the source.

Why do I see 'Insecure' and 'Weak' badges?▼

These badges indicate the security level of each algorithm. MD5 and SHA-1 have known vulnerabilities and should only be used for non-security purposes like checksums.