toolbox/file-hash.html at main · 100millionusd/toolbox · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Free File Hash Calculator — MD5 SHA-1 SHA-256</title>
  <meta name="description" content="Calculate MD5, SHA-1, SHA-256, and SHA-512 file hashes in your browser. Verify file integrity. No upload — runs locally. Free online file hash calculator.">
  <link rel="canonical" href="https://www.quicktools.mom/file-hash.html">
  <meta property="og:title" content="">
  <meta property="og:description" content="">
  <meta property="og:type" content="website">
  <meta property="og:url" content="https://www.quicktools.mom/file-hash.html">
  <meta name="twitter:card" content="summary">
  <link rel="stylesheet" href="style.css">
  <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-2658921743607446" crossorigin="anonymous"></script>
<script type="application/ld+json">{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Is File Hash Calculator free to use?","acceptedAnswer":{"@type":"Answer","text":"Yes! File Hash Calculator is completely free with no signup required. It runs entirely in your browser — your data never leaves your device."}},{"@type":"Question","name":"How do I use File Hash Calculator?","acceptedAnswer":{"@type":"Answer","text":"Simply enter your values in the input fields above and the results update instantly. No button clicks needed — everything calculates in real-time."}},{"@type":"Question","name":"Is my data safe with File Hash Calculator?","acceptedAnswer":{"@type":"Answer","text":"Absolutely. File Hash Calculator runs 100% client-side in your browser using JavaScript. No data is uploaded, stored, or shared with any server. Your privacy is guaranteed."}}]}</script>
</head>
<body>
  <div class="page-wrapper">
    <header class="site-header"><a href="index.html" class="site-logo"><span class="icon">⚡</span> QuickTools</a><nav class="site-nav"><a href="index.html">All Tools</a></nav></header>
    <div class="ad-zone ad-zone-top">Ad Space</div>
    <div class="tool-header"><div class="tool-badge">🔒 Security</div><h1>File Hash Calculator</h1><p>Calculate MD5, SHA-1, SHA-256, SHA-512 checksums. Verify file integrity locally.</p></div>
    <div class="tool-card">
      <div style="border:2px dashed var(--border);border-radius:var(--radius);padding:2rem;text-align:center;cursor:pointer;" onclick="document.getElementById('fi').click()">
        <div style="font-size:2rem;">📂</div><p>Drop a file or click to select</p><p class="text-muted" style="font-size:0.8rem;">File never leaves your browser</p>
        <input type="file" id="fi" onchange="hashFile(event)" style="display:none;">
      </div>
    </div>
    <div class="tool-card" id="result" style="display:none;">
      <div class="stats-bar">
        <div class="stat-item"><span class="stat-value" id="fileName">—</span><span class="stat-label">File</span></div>
        <div class="stat-item"><span class="stat-value" id="fileSize">—</span><span class="stat-label">Size</span></div>
        <div class="stat-item"><span class="stat-value" id="fileType">—</span><span class="stat-label">Type</span></div>
      </div>
      <div id="hashes" style="margin-top:1rem;"></div>
    </div>
    <div class="tool-card">
      <h3 style="font-size:0.95rem;margin-bottom:0.75rem;">🔍 Verify Hash</h3>
      <div style="display:flex;gap:0.5rem;"><input type="text" id="verify" placeholder="Paste expected hash to verify..." class="mono" style="flex:1;font-size:0.8rem;"><button class="btn btn-secondary" onclick="doVerify()" style="font-size:0.8rem;">Verify</button></div>
      <div id="verifyResult" style="margin-top:0.5rem;font-size:0.85rem;"></div>
    </div>
    <div class="ad-zone">Ad Space</div>
    <div class="related-tools"><h2>Related Tools</h2><div class="related-grid"><a href="hash-generator.html"><span class="tool-icon">🔐</span> Hash Generator</a><a href="password-generator.html"><span class="tool-icon">🔐</span> Password</a><a href="base64.html"><span class="tool-icon">🔄</span> Base64</a><a href="url-encoder.html"><span class="tool-icon">🔗</span> URL Encoder</a></div></div>

        <div class="tool-card" style="max-width:720px;">
      <h2 style="font-size:1rem;margin-bottom:0.75rem;">📖 About File Hash Calculator</h2>
      <p style="font-size:0.85rem;line-height:1.7;color:var(--text-muted);margin-bottom:0.75rem;">File Hash Calculator is a free, browser-based tool designed for students, professionals, and anyone who needs quick calculations. Calculate MD5, SHA-1, SHA-256, and SHA-512 file hashes in your browser. Verify file integrity. No upload — runs locally. Free online file hash calculator. Everything runs locally in your browser using JavaScript — no data is ever sent to a server, making it completely private and secure. The tool is designed to be intuitive and beginner-friendly while still offering advanced features for power users. It loads instantly with no installation required and works offline once loaded. Use it as often as you need — there are no daily limits, no watermarks, and no hidden fees.</p>
      <h3 style="font-size:0.9rem;margin-bottom:0.5rem;">How to Use</h3>
      <ol style="font-size:0.85rem;color:var(--text-muted);line-height:1.7;padding-left:1.2rem;">
        <li>Enter or paste your data in the input area above.</li>
        <li>Adjust settings and options to match your needs.</li>
        <li>View the results instantly — they update in real-time.</li>
        <li>Copy, download, or share your output with one click.</li>
      </ol>
    </div>
    <div class="tool-card faq-section">
      <h2 style="font-size:1.1rem;margin-bottom:1rem;">❓ Frequently Asked Questions</h2>
      <details style="margin-bottom:0.75rem;border-bottom:1px solid var(--border);padding-bottom:0.75rem;"><summary style="font-weight:600;cursor:pointer;font-size:0.9rem;">Is File Hash Calculator free to use?</summary><p style="margin-top:0.5rem;font-size:0.85rem;color:var(--text-muted);line-height:1.6;">Yes! File Hash Calculator is completely free with no signup required. It runs entirely in your browser — your data never leaves your device.</p></details>
      <details style="margin-bottom:0.75rem;border-bottom:1px solid var(--border);padding-bottom:0.75rem;"><summary style="font-weight:600;cursor:pointer;font-size:0.9rem;">How do I use File Hash Calculator?</summary><p style="margin-top:0.5rem;font-size:0.85rem;color:var(--text-muted);line-height:1.6;">Simply enter your values in the input fields above and the results update instantly. No button clicks needed — everything calculates in real-time.</p></details>
      <details style="margin-bottom:0.75rem;border-bottom:1px solid var(--border);padding-bottom:0.75rem;"><summary style="font-weight:600;cursor:pointer;font-size:0.9rem;">Is my data safe with File Hash Calculator?</summary><p style="margin-top:0.5rem;font-size:0.85rem;color:var(--text-muted);line-height:1.6;">Absolutely. File Hash Calculator runs 100% client-side in your browser using JavaScript. No data is uploaded, stored, or shared with any server. Your privacy is guaranteed.</p></details>
    </div>
    <div class="ad-zone ad-zone-bottom">Ad Space</div>
    <footer class="site-footer"><p>&copy; 2026 QuickTools.</p><div class="footer-links"><a href="index.html">All Tools</a></div></footer>
  </div>
  <script>
    let computedHashes={};
    async function hashFile(e){
      const f=e.target.files[0];if(!f)return;
      document.getElementById('result').style.display='block';
      document.getElementById('fileName').textContent=f.name;
      document.getElementById('fileSize').textContent=(f.size/1024).toFixed(1)+' KB';
      document.getElementById('fileType').textContent=f.type||'unknown';
      const buffer=await f.arrayBuffer();
      const algos=[{name:'SHA-256',algo:'SHA-256'},{name:'SHA-384',algo:'SHA-384'},{name:'SHA-512',algo:'SHA-512'},{name:'SHA-1',algo:'SHA-1'}];
      computedHashes={};
      document.getElementById('hashes').innerHTML='<div class="text-muted" style="text-align:center;">Computing hashes...</div>';
      const results=[];
      for(const a of algos){try{const hash=await crypto.subtle.digest(a.algo,buffer);
        const hex=Array.from(new Uint8Array(hash)).map(b=>b.toString(16).padStart(2,'0')).join('');
        computedHashes[a.name.toLowerCase()]=hex;
        results.push({name:a.name,hex});}catch(e){results.push({name:a.name,hex:'Not supported'});}}
      document.getElementById('hashes').innerHTML=results.map(r=>`<div style="margin-bottom:0.75rem;">
        <div style="display:flex;justify-content:space-between;align-items:center;"><span style="font-weight:600;font-size:0.85rem;">${r.name}</span><button class="btn btn-secondary" onclick="navigator.clipboard.writeText('${r.hex}')" style="font-size:0.7rem;padding:2px 8px;">Copy</button></div>
        <div class="mono" style="font-size:0.72rem;word-break:break-all;padding:0.3rem;background:var(--bg-secondary);border-radius:4px;margin-top:0.2rem;">${r.hex}</div>
      </div>`).join('');
    }
    function doVerify(){
      const expected=document.getElementById('verify').value.trim().toLowerCase();if(!expected){return;}
      const matched=Object.entries(computedHashes).find(([k,v])=>v===expected);
      document.getElementById('verifyResult').innerHTML=matched?`<span style="color:var(--success);">✅ Match! (${matched[0]})</span>`:`<span style="color:var(--danger);">❌ No match found</span>`;
    }
  </script>
<script src="ads.js"></script>
</body>
</html>