diff --git a/src/tools/mac-address-converter/mac-address-converter.service.test.ts b/src/tools/mac-address-converter/mac-address-converter.service.test.ts
index 69319e3a..e62d557b 100644
--- a/src/tools/mac-address-converter/mac-address-converter.service.test.ts
+++ b/src/tools/mac-address-converter/mac-address-converter.service.test.ts
@@ -1,15 +1,30 @@
 import { describe, expect, it } from 'vitest';
-import { convertMacCISCO, convertMacCanonical, convertMacCanonicalIEEE, convertMacCanonicalIETF } from './mac-address-converter.service';
+import {
+  convertMacCISCO, convertMacCanonical,
+  convertMacCanonicalIEEE, convertMacCanonicalIETF,
+  convertMacToEUI64CISCO, convertMacToEUI64CanonicalIEEE,
+  convertMacToEUI64CanonicalIETF, convertMacToLinkLocalIPv6,
+  convertMacToNumber,
+} from './mac-address-converter.service';
 
 describe('mac-address-converter', () => {
   it('Convert MAC Address to given format', async () => {
     expect(convertMacCanonical('')).to.equal('');
 
-    const macValue = 'AA:BB:CC:DD:EE:FF';
+    const macValue = '00:0a:95:9d:68:16';
 
-    expect(convertMacCanonicalIETF(macValue)).to.equal('aa:bb:cc:dd:ee:ff');
-    expect(convertMacCanonical(macValue)).to.equal('AA.BB.CC.DD.EE.FF');
-    expect(convertMacCanonicalIEEE(macValue)).to.equal('AA-BB-CC-DD-EE-FF');
-    expect(convertMacCISCO(macValue)).to.equal('aabb.ccdd.eeff');
+    expect(convertMacCanonicalIETF(macValue)).to.equal('00:0a:95:9d:68:16');
+    expect(convertMacCanonical(macValue)).to.equal('00.0a.95.9d.68.16');
+    expect(convertMacCanonicalIEEE(macValue)).to.equal('00-0A-95-9D-68-16');
+    expect(convertMacCISCO(macValue)).to.equal('000a.959d.6816');
+
+    expect(convertMacToEUI64CanonicalIETF(macValue, true)).to.equal('02:0a:95:ff:fe:9d:68:16');
+    expect(convertMacToEUI64CanonicalIETF(macValue, false)).to.equal('00:0a:95:ff:fe:9d:68:16');
+    expect(convertMacToEUI64CanonicalIEEE(macValue, true)).to.equal('02-0A-95-FF-FE-9D-68-16');
+    expect(convertMacToEUI64CanonicalIEEE(macValue, false)).to.equal('00-0A-95-FF-FE-9D-68-16');
+    expect(convertMacToEUI64CISCO(macValue, true)).to.equal('020a.95ff.fe9d.6816');
+    expect(convertMacToEUI64CISCO(macValue, false)).to.equal('000a.95ff.fe9d.6816');
+    expect(convertMacToNumber(macValue)).to.equal(45459793942);
+    expect(convertMacToLinkLocalIPv6(macValue)).to.equal(':fe80::20a:95ff:fe9d:6816');
   });
 });
diff --git a/src/tools/mac-address-converter/mac-address-converter.service.ts b/src/tools/mac-address-converter/mac-address-converter.service.ts
index c902a694..3783126d 100644
--- a/src/tools/mac-address-converter/mac-address-converter.service.ts
+++ b/src/tools/mac-address-converter/mac-address-converter.service.ts
@@ -3,6 +3,48 @@ function convertMac(mac: string, group: number = 2, char: string = ':'): string
   return mac.match(new RegExp(`.{1,${group}}`, 'g'))?.join(char) || '';
 }
 
+function convertMacToEUI64(mac: string, ipv6: boolean) {
+  const macIETF = convertMac(mac);
+  // Split the MAC address into an array of hex values
+  const macArray = macIETF.split(':').map(hex => Number.parseInt(hex, 16));
+
+  // For IPv6, invert the 7th bit of the first byte
+  if (ipv6) {
+    macArray[0] ^= 0x02;
+  }
+
+  // Insert FFFE in the middle
+  const eui64Array = [
+    macArray[0], macArray[1], macArray[2],
+    0xFF, 0xFE,
+    macArray[3], macArray[4], macArray[5],
+  ];
+
+  // Convert the array to a colon-separated string
+  const eui64 = eui64Array.map(byte => byte.toString(16).padStart(2, '0')).join(':');
+
+  // Group into IPv6 EUI-64 format (XXXX:XXFF:FEXX:XXXX)
+  return eui64.replace(/:/g, '').match(/.{1,4}/g)!.join(':');
+}
+
+export function convertMacToEUI64CanonicalIETF(mac: string, ipv6: boolean) {
+  return convertMac(convertMacToEUI64(mac, ipv6).toLocaleLowerCase());
+}
+export function convertMacToEUI64CanonicalIEEE(mac: string, ipv6: boolean) {
+  return convertMac(convertMacToEUI64(mac, ipv6).toLocaleUpperCase(), 2, '-');
+}
+export function convertMacToEUI64CISCO(mac: string, ipv6: boolean) {
+  return convertMac(convertMacToEUI64(mac, ipv6).toLocaleLowerCase(), 4, '.');
+}
+export function convertMacToLinkLocalIPv6(mac: string) {
+  return `:fe80::${convertMac(convertMacToEUI64(mac, true).toLocaleLowerCase(), 4, ':').replace(/^0/g, '')}`;
+}
+
+export function convertMacToNumber(mac: string) {
+  mac = mac.replace(/[\W_]+/g, '');
+  return Number.parseInt(mac, 16);
+}
+
 export function convertMacCanonicalIETF(mac: string): string {
   return convertMac(mac.toLocaleLowerCase());
 };
diff --git a/src/tools/mac-address-converter/mac-address-converter.vue b/src/tools/mac-address-converter/mac-address-converter.vue
index b2883941..4e49c9d5 100644
--- a/src/tools/mac-address-converter/mac-address-converter.vue
+++ b/src/tools/mac-address-converter/mac-address-converter.vue
@@ -1,6 +1,12 @@
 <script setup lang="ts">
 import InputCopyable from '../../components/InputCopyable.vue';
-import { convertMacCISCO, convertMacCanonical, convertMacCanonicalIEEE, convertMacCanonicalIETF } from './mac-address-converter.service';
+import {
+  convertMacCISCO, convertMacCanonical,
+  convertMacCanonicalIEEE, convertMacCanonicalIETF,
+  convertMacToEUI64CISCO, convertMacToEUI64CanonicalIEEE,
+  convertMacToEUI64CanonicalIETF, convertMacToLinkLocalIPv6,
+  convertMacToNumber,
+} from './mac-address-converter.service';
 
 const input = ref('AA:BB:CC:DD:EE:FF');
 
@@ -21,6 +27,42 @@ const formats = computed(() => [
     label: 'Cisco:',
     value: convertMacCISCO(input.value),
   },
+  {
+    label: 'Hex:',
+    value: convertMacToNumber(input.value).toString(16),
+  },
+  {
+    label: 'Decimal:',
+    value: convertMacToNumber(input.value).toString(10),
+  },
+  {
+    label: 'EUI-64 Canonical IETF Format:',
+    value: convertMacToEUI64CanonicalIETF(input.value, false),
+  },
+  {
+    label: 'EUI-64 Canonical IEEE Format:',
+    value: convertMacToEUI64CanonicalIEEE(input.value, false),
+  },
+  {
+    label: 'EUI-64 Cisco:',
+    value: convertMacToEUI64CISCO(input.value, false),
+  },
+  {
+    label: 'EUI-64 IPv6 Canonical IETF Format:',
+    value: convertMacToEUI64CanonicalIETF(input.value, true),
+  },
+  {
+    label: 'EUI-64 IPv6 Canonical IEEE Format:',
+    value: convertMacToEUI64CanonicalIEEE(input.value, true),
+  },
+  {
+    label: 'EUI-64 IPv6 Cisco:',
+    value: convertMacToEUI64CISCO(input.value, true),
+  },
+  {
+    label: 'Link-Local IPv6:',
+    value: convertMacToLinkLocalIPv6(input.value),
+  },
 ]);
 
 const inputLabelAlignmentConfig = {