SHA512 Hash Generator

Generate SHA512 hashes

Input
Enter text or upload a file
0 characters
Settings

HMAC uses a secret key to create authenticated hash signatures

Output
SHA512 hash generated automatically
Hash will appear here...
What is SHA512 Generator?

SHA-512 Generator is a tool for generating SHA-512 hash from text or files. SHA-512 is part of the SHA-2 family, a cryptographic hashing algorithm designed for high-level security. SHA-512 hash has a length of 512-bit (128 hex characters) and is irreversible, making it ideal for integrity verification.

Use Cases in Engineering

  • File integrity verification - ensure downloaded files match official hashes
  • API signing & security - OAuth PKCE, AWS Signature, webhook signatures
  • Blockchain & cryptography - used in modern security protocols and hardware security
  • Data integrity & deduplication - compare large files or data
  • Digital signatures - creating secure signatures for documents and certificates

How to Use This Tool

  1. Enter text in the input field - hash appears automatically
  2. Or upload a file - file hash appears automatically
  3. Select output encoding if needed (Hex lowercase/uppercase or Base64)
  4. Enable HMAC if you need key-based signatures
  5. Copy the hash result via the copy button

🔒 Privacy & Security

All processing is done entirely in your browser. No data is sent to the server. Your files and text remain completely private.

⚠️ Important Note

For password storage, use bcrypt, argon2, or PBKDF2 instead of raw SHA-512. SHA-512 alone is not suitable for password hashing without proper salting and key stretching.

Related Tools

SHA256 Hash Generator

Generate SHA256 hashes

MD5 Generator

Generate MD5 hash from text or files

Password Generator

Generate secure passwords

About This Tool

SHA-512 Generator is a tool for generating SHA-512 hash from text or files. SHA-512 is part of the SHA-2 family, a cryptographic hashing algorithm designed for high-level security. SHA-512 hash has a length of 512-bit (128 hex characters) and is irreversible, making it ideal for integrity verification.

Code Examples
How to implement this functionality in different programming languages
// Node.js - Generate SHA512 hash
const crypto = require('crypto');

const text = 'Hello World';
const hash = crypto
  .createHash('sha512')
  .update(text)
  .digest('hex');

console.log(hash);

// Node.js - Generate HMAC-SHA512
const secretKey = 'my-secret-key';
const hmac = crypto
  .createHmac('sha512', secretKey)
  .update(text)
  .digest('hex');

console.log(hmac);

// Browser - Web Crypto API
async function sha512(message) {
  const encoder = new TextEncoder();
  const data = encoder.encode(message);
  const hashBuffer = await crypto.subtle.digest('SHA-512', data);
  const hashArray = Array.from(new Uint8Array(hashBuffer));
  const hashHex = hashArray
    .map(b => b.toString(16).padStart(2, '0'))
    .join('');
  return hashHex;
}

sha512('Hello World').then(console.log);