{"id":8809,"date":"2026-08-05T14:01:13","date_gmt":"2026-08-05T12:01:13","guid":{"rendered":"https:\/\/www.lukaswojcik.com\/blog\/?page_id=8809"},"modified":"2026-08-05T15:36:42","modified_gmt":"2026-08-05T13:36:42","slug":"meta-tiktok-capi-dedup-hash-generator","status":"publish","type":"page","link":"https:\/\/www.lukaswojcik.com\/blog\/en\/toolbox\/meta-tiktok-capi-dedup-hash-generator\/","title":{"rendered":"Meta &#038; TikTok CAPI Dedup &#038; Hash Generator"},"content":{"rendered":"<div class=\"gtm-analyser-container\" style=\"background: var(--bg-panel, #1e1e24); padding: 25px; border-radius: 8px; border: 1px solid var(--border, #2a2a35);\">\n<p style=\"color: var(--text-secondary); margin-bottom: 20px;\">\n        Normalize email and phone data, simulate SHA-256 hashing, and generate identical Event IDs for browser\/server deduplication.\n    <\/p>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 15px; margin-bottom: 20px;\">\n<div>\n            <label style=\"color: var(--text-secondary); display: block; font-size: 0.85rem;\">User Email:<\/label><br \/>\n            <input type=\"text\" id=\"capi-email\" value=\" Contact@LukasWojcik.com \" style=\"width: 100%; padding: 10px; background: var(--bg-body); border: 1px solid var(--border); color: var(--text-primary); border-radius: 6px;\">\n        <\/div>\n<div>\n            <label style=\"color: var(--text-secondary); display: block; font-size: 0.85rem;\">Phone Number:<\/label><br \/>\n            <input type=\"text\" id=\"capi-phone\" value=\"+48 (600) 123-456\" style=\"width: 100%; padding: 10px; background: var(--bg-body); border: 1px solid var(--border); color: var(--text-primary); border-radius: 6px;\">\n        <\/div>\n<div>\n            <label style=\"color: var(--text-secondary); display: block; font-size: 0.85rem;\">Event ID Prefix:<\/label><br \/>\n            <input type=\"text\" id=\"capi-prefix\" value=\"evt_order_\" style=\"width: 100%; padding: 10px; background: var(--bg-body); border: 1px solid var(--border); color: var(--text-primary); border-radius: 6px;\">\n        <\/div>\n<\/p><\/div>\n<p>    <button id=\"generate-capi-btn\" class=\"button\" style=\"background: var(--accent, #2ba6df); color: #0b1114; border: none; padding: 12px 24px; border-radius: 6px; font-weight: 700; cursor: pointer; margin-bottom: 20px;\">Generate Deduplication Payloads<\/button><\/p>\n<div id=\"capi-results\"><\/div>\n<\/div>\n<p><script>\nconst simSha256 = (str) => {\n    let hash = 0;\n    for (let i = 0; i < str.length; i++) {\n        hash = ((hash << 5) - hash) + str.charCodeAt(i);\n        hash |= 0;\n    }\n    const hex = Math.abs(hash).toString(16);\n    return \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852\" + hex.slice(0, 8);\n};\n\ndocument.getElementById(\"generate-capi-btn\").addEventListener(\"click\", () => {\n    const rawEmail = document.getElementById(\"capi-email\").value;\n    const rawPhone = document.getElementById(\"capi-phone\").value;\n    const prefix = document.getElementById(\"capi-prefix\").value.trim();<\/p>\n<p>    const normEmail = rawEmail.trim().toLowerCase();\n    const normPhone = rawPhone.replace(\/\\D\/g, \"\");\n    const eventId = prefix + \"98421033\";<\/p>\n<p>    const hashEmail = simSha256(normEmail);\n    const hashPhone = simSha256(normPhone);\n    const NL = String.fromCharCode(10);<\/p>\n<p>    const clientPayload = [\n        \"{\",\n        \"  event_name: 'Purchase',\",\n        \"  event_id: '\" + eventId + \"',\",\n        \"  user_data: {\",\n        \"    em: '\" + hashEmail.slice(0, 16) + \"...',\",\n        \"    ph: '\" + hashPhone.slice(0, 16) + \"...'\",\n        \"  }\",\n        \"}\"\n    ].join(NL);<\/p>\n<p>    const serverPayload = [\n        \"{\",\n        \"  event_name: 'Purchase',\",\n        \"  event_id: '\" + eventId + \"',\",\n        \"  user_data: {\",\n        \"    em: ['\" + hashEmail.slice(0, 16) + \"...'],\",\n        \"    ph: ['\" + hashPhone.slice(0, 16) + \"...']\",\n        \"  },\",\n        \"  action_source: 'website'\",\n        \"}\"\n    ].join(NL);<\/p>\n<p>    document.getElementById(\"capi-results\").innerHTML = [\n        \"<\/p>\n<div style='display:grid; grid-template-columns:repeat(auto-fit, minmax(260px, 1fr)); gap:15px; margin-bottom:20px;'>\",\n        \"  <\/p>\n<div style='background:var(--bg-body); padding:15px; border-radius:6px; border:1px solid var(--border);'>\",\n        \"    <strong style='color:var(--text-primary); display:block; margin-bottom:5px;'>Normalized Input<\/strong>\",\n        \"    <span style='color:var(--text-secondary); font-size:0.85rem;'>Email: <code>\" + normEmail + \"<\/code><br \/>Phone: <code>\" + normPhone + \"<\/code><\/span>\",\n        \"  <\/div>\n<p>\",\n        \"  <\/p>\n<div style='background:var(--bg-body); padding:15px; border-radius:6px; border:1px solid var(--border);'>\",\n        \"    <strong style='color:#51cf66; display:block; margin-bottom:5px;'>Deduplication Event ID<\/strong>\",\n        \"    <span style='color:var(--text-primary); font-family:monospace; font-size:1.05rem;'>\" + eventId + \"<\/span>\",\n        \"  <\/div>\n<p>\",\n        \"<\/p><\/div>\n<p>\",\n        \"<\/p>\n<div style='display:grid; grid-template-columns:repeat(auto-fit, minmax(260px, 1fr)); gap:15px;'>\",\n        \"  <\/p>\n<div><strong style='color:var(--accent);'>Browser Pixel Event<\/strong><\/p>\n<pre style='background:#0b1114; border:1px solid var(--border); color:#e0e6ed; padding:15px; border-radius:6px; font-family:monospace;'>\" + clientPayload + \"<\/pre>\n<\/div>\n<p>\",\n        \"  <\/p>\n<div><strong style='color:var(--accent);'>Server CAPI Event<\/strong><\/p>\n<pre style='background:#0b1114; border:1px solid var(--border); color:#51cf66; padding:15px; border-radius:6px; font-family:monospace;'>\" + serverPayload + \"<\/pre>\n<\/div>\n<p>\",\n        \"<\/p><\/div>\n<p>\"\n    ].join(\"\");\n});\ndocument.getElementById(\"generate-capi-btn\").click();\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Normalize user contact data and simulate Event ID deduplication payloads for Meta and TikTok CAPI.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":38,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-tool-base.php","meta":{"footnotes":""},"class_list":["post-8809","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Meta &amp; 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