हैश जनरेटर - MD5, SHA-256, SHA-512 ऑनलाइन

// SHA-256 hash using Web Crypto API
async function sha256(text) {
  const encoder = new TextEncoder();
  const data = encoder.encode(text);
  const hashBuffer = await crypto.subtle.digest('SHA-256', data);
  const hashArray = Array.from(new Uint8Array(hashBuffer));
  return hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
}

// Usage
const hash = await sha256('Hello, World!');
console.log(hash); // "dffd6021bb2bd5b0af676290809ec3a53191dd81c7f70a4b28688a362182986f"