diff --git a/index.html b/index.html
index d276a17..9ddccbd 100644
--- a/index.html
+++ b/index.html
@@ -287,9 +287,10 @@ <h5 class="fw-bold">Drag & Drop Evidence Files Here</h5>
                             <tr class="table-header">
                                 <th width="5%" class="ps-4"><input type="checkbox" id="selectAll" onclick="toggleAll(this)"></th>
                                 <th width="5%">#</th>
-                                <th width="30%">Filename</th>
-                                <th width="20%">MD5 Hash</th>
-                                <th width="40%">SHA-256 (Section 63 BSA Compliant)</th>
+                                <th width="26%">Filename</th>
+                                <th width="16%">MD5 Hash</th>
+                                <th width="24%">SHA-256 (Section 63 BSA Compliant)</th>
+                                <th width="24%">SHA-3 (Keccak-256)</th>
                             </tr>
                         </thead>
                         <tbody id="hashTableBody" style="background: white;"></tbody>
@@ -497,6 +498,7 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
                         </td>
                         <td class="hash-font md5">Calculating...</td>
                         <td class="hash-font sha256">Calculating...</td>
+                        <td class="hash-font sha3">Calculating...</td>
                     </tr>
                 `);
                 fileQueue.push({ file, rowId });
@@ -519,6 +521,9 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
                     if (row) {
                         row.querySelector('.md5').innerText = CryptoJS.MD5(wordArray).toString();
                         row.querySelector('.sha256').innerText = CryptoJS.SHA256(wordArray).toString();
+                        const sha3 = CryptoJS.SHA3(wordArray, { outputLength: 256 }).toString();
+                        row.querySelector('.sha3').innerText = sha3;
+                        console.log(`[System Console] SHA-3 (Keccak-256) calculated for "${file.name}": ${sha3}`);
                     }
                     processQueue();
                 }, 50);
@@ -613,6 +618,7 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
                 const text = await readFile(files[i]);
                 const emailData = parseEml(text);
                 const sha256 = await calculateSHA256(files[i]);
+                const sha3 = await calculateSHA3(files[i]);
 
                 // HEADER WITH WRAPPED FILENAME
                 doc.setFillColor(0, 51, 102);
@@ -646,7 +652,8 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
                         ['Message-ID', emailData.messageId],
                         ['Originating IP', emailData.serverIP],
                         ['DKIM Status', emailData.dkim],
-                        ['SHA-256 Hash', sha256]
+                        ['SHA-256 Hash', sha256],
+                        ['SHA-3 (Keccak-256) Hash', sha3]
                     ],
                     theme: 'grid',
                     headStyles: { 
@@ -715,7 +722,8 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
                     rows.push([
                         cells[1].innerText,
                         cells[2].innerText,
-                        cells[4].innerText
+                        cells[4].innerText,
+                        cells[5].innerText
                     ]);
                 }
             });
@@ -727,22 +735,23 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
 
             doc.autoTable({
                 startY: 70,
-                head: [['#', 'Filename', 'SHA-256']],
+                head: [['#', 'Filename', 'SHA-256', 'SHA-3 (Keccak-256)']],
                 body: rows,
                 theme: 'grid',
-                headStyles: { 
+                headStyles: {
                     fillColor: [0, 51, 102],
                     fontSize: 11,
                     fontStyle: 'bold'
                 },
-                bodyStyles: { 
+                bodyStyles: {
                     fontSize: 9,
                     font: 'courier'
                 },
                 columnStyles: {
-                    0: { cellWidth: 40 },
-                    1: { cellWidth: 300 },
-                    2: { cellWidth: 450, font: 'courier' }
+                    0: { cellWidth: 30 },
+                    1: { cellWidth: 190 },
+                    2: { cellWidth: 285, font: 'courier' },
+                    3: { cellWidth: 285, font: 'courier' }
                 }
             });
 
@@ -777,11 +786,18 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
                         shading: { fill: "003366" }
                     }),
                     new TableCell({
-                        children: [new Paragraph({ 
+                        children: [new Paragraph({
                             children: [new TextRun({ text: "SHA-256", bold: true, color: "FFFFFF" })],
                             alignment: AlignmentType.CENTER
                         })],
                         shading: { fill: "003366" }
+                    }),
+                    new TableCell({
+                        children: [new Paragraph({
+                            children: [new TextRun({ text: "SHA-3 (Keccak-256)", bold: true, color: "FFFFFF" })],
+                            alignment: AlignmentType.CENTER
+                        })],
+                        shading: { fill: "003366" }
                     })
                 ]
             }));
@@ -793,8 +809,11 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
                         children: [
                             new TableCell({ children: [new Paragraph(cells[1].innerText)] }),
                             new TableCell({ children: [new Paragraph(cells[2].innerText)] }),
-                            new TableCell({ children: [new Paragraph({ 
+                            new TableCell({ children: [new Paragraph({
                                 children: [new TextRun({ text: cells[4].innerText, font: "Courier New", size: 18 })]
+                            })] }),
+                            new TableCell({ children: [new Paragraph({
+                                children: [new TextRun({ text: cells[5].innerText, font: "Courier New", size: 18 })]
                             })] })
                         ]
                     }));
@@ -837,7 +856,7 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
 
         // ===== DOWNLOAD CSV =====
         function downloadSelectedCSV() {
-            let csv = "#,Subject,From,To,Date,Originating IP,DKIM,SHA-256\n";
+            let csv = "#,Subject,From,To,Date,Originating IP,DKIM,SHA-256,SHA-3 (Keccak-256)\n";
             
             let counter = 1;
             const promises = [];
@@ -848,7 +867,7 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
                     promises.push(
                         readFile(tr.fileData).then(text => {
                             const eml = parseEml(text);
-                            return `${counter++},"${eml.subject}","${eml.from}","${eml.to}","${eml.date}","${eml.serverIP}","${eml.dkim}","${cells[4].innerText}"\n`;
+                            return `${counter++},"${eml.subject}","${eml.from}","${eml.to}","${eml.date}","${eml.serverIP}","${eml.dkim}","${cells[4].innerText}","${cells[5].innerText}"\n`;
                         })
                     );
                 }
@@ -894,6 +913,19 @@ <h6 class="fw-bold mt-3">Yahoo/Outlook:</h6>
             });
         }
 
+        async function calculateSHA3(file) {
+            return new Promise(resolve => {
+                const reader = new FileReader();
+                reader.onload = e => {
+                    const wordArray = CryptoJS.lib.WordArray.create(e.target.result);
+                    const sha3 = CryptoJS.SHA3(wordArray, { outputLength: 256 }).toString();
+                    console.log(`[System Console] SHA-3 (Keccak-256) calculated for "${file.name}": ${sha3}`);
+                    resolve(sha3);
+                };
+                reader.readAsArrayBuffer(file);
+            });
+        }
+
         function toggleAll(checkbox) {
             document.querySelectorAll('input[name="fileSelect"]').forEach(c => c.checked = checkbox.checked);
         }