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Security & Integrity

Hash Generator

Calculate SHA-256, SHA-512, SHA-1, SHA-384, and MD5 hashes for files or text. 100% client-side Web Crypto processing with instant checksum verification.

100% Client-Side — Files stay on your device

📤

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Computes SHA-256, SHA-512, SHA-1, SHA-384 locally using GPU/CPU acceleration

Input Text String

Format:

Compare / Verify Checksum

SHA-256

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SHA-512

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SHA-1

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SHA-384

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MD5

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Developer Reference

Core Algorithm & Standalone Script

Standalone JavaScript implementation for computing SHA-256, SHA-512, SHA-1, SHA-384, and MD5 hashes using Web Crypto API.

// Standalone Web Crypto File & Text Hasher (Vanilla JS)
async function generateHashes(inputData) {
  let buffer;
  if (typeof inputData === 'string') {
    buffer = new TextEncoder().encode(inputData).buffer;
  } else if (inputData instanceof ArrayBuffer) {
    buffer = inputData;
  } else {
    throw new Error('Expected string or ArrayBuffer input');
  }

  const hex = buf => Array.from(new Uint8Array(buf)).map(b => b.toString(16).padStart(2, '0')).join('');

  const sha256 = hex(await crypto.subtle.digest('SHA-256', buffer));
  const sha512 = hex(await crypto.subtle.digest('SHA-512', buffer));
  const sha1   = hex(await crypto.subtle.digest('SHA-1', buffer));
  const sha384 = hex(await crypto.subtle.digest('SHA-384', buffer));

  return { sha256, sha512, sha1, sha384 };
}