{"id":9611,"date":"2026-07-28T09:53:12","date_gmt":"2026-07-28T09:53:12","guid":{"rendered":"https:\/\/tradegoai.app\/?post_type=tools&#038;p=9611"},"modified":"2026-07-28T09:53:12","modified_gmt":"2026-07-28T09:53:12","slug":"extractor-dominios-empresas","status":"publish","type":"tools","link":"https:\/\/tradegoai.app\/es\/tools\/company-domain-extractor\/","title":{"rendered":"Extractor de dominios de empresas"},"content":{"rendered":"\t<section id=\"tga-domain-extractor-1\" class=\"tga-domain-extractor-tool\" aria-labelledby=\"tga-domain-extractor-1-title\">\n\t\t<style>\n\t\t\t#tga-domain-extractor-1{--navy:#0f1831;--purple:#6528f7;--purple2:#501bd8;--lilac:#f2efff;--line:#e2e8f0;--muted:#64748b;width:100%;max-width:1180px;margin:44px auto 72px;padding:0 22px;box-sizing:border-box;color:var(--navy);font-family:inherit}\n\t\t\t#tga-domain-extractor-1 *{box-sizing:border-box}\n\t\t\t#tga-domain-extractor-1 .tga-cde-hero{position:relative;overflow:hidden;padding:46px 48px;border-radius:22px;background:radial-gradient(circle at 85% 18%,rgba(101,40,247,.78),transparent 34%),linear-gradient(135deg,#081127 0%,#131d42 100%);color:#fff}\n\t\t\t#tga-domain-extractor-1 .tga-cde-hero:after{position:absolute;right:-85px;bottom:-115px;width:330px;height:330px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 38px rgba(255,255,255,.035),0 0 0 76px rgba(255,255,255,.025);content:\"\"}\n\t\t\t#tga-domain-extractor-1 .tga-cde-eyebrow{display:block;margin-bottom:13px;color:#cbbcff;font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}\n\t\t\t#tga-domain-extractor-1 h1{position:relative;z-index:1;max-width:850px;margin:0;color:#fff;font-size:clamp(38px,6vw,64px);line-height:1.04;letter-spacing:-.04em}\n\t\t\t#tga-domain-extractor-1 .tga-cde-hero p{position:relative;z-index:1;max-width:780px;margin:20px 0 0;color:#dce4ff;font-size:18px;line-height:1.7}\n\t\t\t#tga-domain-extractor-1 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.tga-cde-i18n{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important}\n\t\t\t\n\t\t\t\/* TGA_FREE_TOOL_COMPONENT_STANDARD *\/\n\t\t\t#tga-domain-extractor-1 details { padding:0; border:0; border-bottom:1px solid #e2e8f0; border-radius:0; background:transparent; }\n\t\t\t#tga-domain-extractor-1 details:last-child { border-bottom:0; }\n\t\t\t#tga-domain-extractor-1 summary { padding:17px 0; font-weight:800; }\n\t\t\t#tga-domain-extractor-1 details p { margin:-3px 0 18px; padding:0; color:#64748b; font-size:14px; line-height:1.7; }\n\t\t\t#tga-domain-extractor-1 .tga-cde-section { padding:30px; border-radius:18px; }\n\t\t\t#tga-domain-extractor-1 .tga-cde-related { padding:20px; border-radius:13px; transition:border-color .18s ease,transform .18s ease; }\n\t\t\t#tga-domain-extractor-1 .tga-cde-related strong { margin-bottom:8px; font-size:17px; }\n\t\t\t#tga-domain-extractor-1 .tga-cde-related span, #tga-domain-extractor-1 .tga-cde-related p { color:#64748b; font-size:14px; line-height:1.6; }\n\t\t\t#tga-domain-extractor-1 .tga-cde-related:hover { border-color:#6528f7; transform:translateY(-2px); }\n\t\t\t#tga-domain-extractor-1 .tga-cde-services { border-color:transparent; background:linear-gradient(135deg,#0f1831,#34206f); color:#fff; }\n\t\t\t#tga-domain-extractor-1 .tga-cde-services h2 { color:#fff; }\n\t\t\t#tga-domain-extractor-1 .tga-cde-services p { color:#dce4ff; }\n\t\t\t#tga-domain-extractor-1 .tga-cde-services .tga-cde-button { border-color:#fff; background:#fff; color:#0f1831; }\n\t\t\t#tga-domain-extractor-1 .tga-cde-services .tga-cde-button:hover { background:#f8fafc; color:#0f1831; }\n@media(max-width:900px){#tga-domain-extractor-1 .tga-cde-layout{grid-template-columns:1fr}#tga-domain-extractor-1 .tga-cde-info-grid,#tga-domain-extractor-1 .tga-cde-related-grid{grid-template-columns:1fr}}\n\t\t\t@media(max-width:600px){#tga-domain-extractor-1{margin-top:24px;padding:0 15px}#tga-domain-extractor-1 .tga-cde-hero{padding:31px 23px;border-radius:16px}#tga-domain-extractor-1 .tga-cde-hero p{font-size:15px}#tga-domain-extractor-1 .tga-cde-panel,#tga-domain-extractor-1 .tga-cde-section{padding:22px 18px}#tga-domain-extractor-1 .tga-cde-services{flex-direction:column;align-items:stretch}#tga-domain-extractor-1 .tga-cde-actions .tga-cde-button,#tga-domain-extractor-1 .tga-cde-services .tga-cde-button{width:100%}}\n\t\t\n\t\t\t\/* TGA_FREE_TOOL_FOCUS_STANDARD *\/\n\t\t\t#tga-domain-extractor-1 button:focus-visible,\n\t\t\t#tga-domain-extractor-1 a:focus-visible,\n\t\t\t#tga-domain-extractor-1 summary:focus-visible,\n\t\t\t#tga-domain-extractor-1 input:focus-visible,\n\t\t\t#tga-domain-extractor-1 select:focus-visible,\n\t\t\t#tga-domain-extractor-1 textarea:focus-visible { outline: 3px solid rgba(101, 40, 247, .24); outline-offset: 3px; }\n<\/style>\n\n\t\t<header class=\"tga-cde-hero\">\n\t\t\t<span class=\"tga-cde-eyebrow\">Prepare Cleaner Company Lists<\/span>\n\t\t\t<h1 id=\"tga-domain-extractor-1-title\">Company Domain Extractor<\/h1>\n\t\t\t<p>Turn mixed email addresses, website URLs, and lead-list text into a clean, deduplicated list of company domains ready for research and CRM preparation.<\/p>\n\t\t<\/header>\n\n\t\t<div class=\"tga-cde-layout\">\n\t\t\t<form class=\"tga-cde-panel\" novalidate>\n\t\t\t\t<h2>Paste Lead Data<\/h2>\n\t\t\t\t<p class=\"tga-cde-copy\">Add one email, website, domain, or mixed lead row per line. You can paste up to 5,000 lines.<\/p>\n\t\t\t\t<label for=\"tga-domain-extractor-1-input\">Emails, Websites, or Lead Rows<\/label>\n\t\t\t\t<textarea id=\"tga-domain-extractor-1-input\" name=\"input\" maxlength=\"250000\" required>alex.morgan@northstarimports.comnhttps:\/\/www.pacific-retail.example\/aboutnmaya.chen@gmail.comncrescenttrading.aensales@northstarimports.com<\/textarea>\n\t\t\t\t<fieldset>\n\t\t\t\t\t<legend>Extraction Options<\/legend>\n\t\t\t\t\t<div class=\"tga-cde-checks\">\n\t\t\t\t\t\t<label class=\"tga-cde-check\"><input type=\"checkbox\" name=\"excludePublic\" checked>Exclude common public and disposable email domains<\/label>\n\t\t\t\t\t\t<label class=\"tga-cde-check\"><input type=\"checkbox\" name=\"deduplicate\" checked>Keep one result per unique domain<\/label>\n\t\t\t\t\t\t<label class=\"tga-cde-check\"><input type=\"checkbox\" name=\"removeWww\" checked>Remove the www. prefix<\/label>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/fieldset>\n\t\t\t\t<div class=\"tga-cde-actions\">\n\t\t\t\t\t<button class=\"tga-cde-button tga-cde-button--primary\" type=\"submit\">Extract Domains<\/button>\n\t\t\t\t\t<button class=\"tga-cde-button tga-cde-button--secondary\" type=\"button\" data-action=\"reset\">Reset<\/button>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"tga-cde-status\" role=\"status\" aria-live=\"polite\"><\/div>\n\t\t\t<\/form>\n\n\t\t\t<section class=\"tga-cde-panel\" aria-labelledby=\"tga-domain-extractor-1-results-title\">\n\t\t\t\t<h2 id=\"tga-domain-extractor-1-results-title\">Extracted Company Domains<\/h2>\n\t\t\t\t<p class=\"tga-cde-copy\">Use the output as a preparation list, then review each company and domain before outreach.<\/p>\n\t\t\t\t<div class=\"tga-cde-results\" aria-live=\"polite\"><div class=\"tga-cde-empty\">Select Extract Domains to build a clean domain list.<\/div><\/div>\n\t\t\t\t<div class=\"tga-cde-actions\">\n\t\t\t\t\t<button class=\"tga-cde-button tga-cde-button--secondary\" type=\"button\" data-action=\"copy\" disabled>Copy Domains<\/button>\n\t\t\t\t\t<button class=\"tga-cde-button tga-cde-button--secondary\" type=\"button\" data-action=\"download\" disabled>Download CSV<\/button>\n\t\t\t\t<\/div>\n\t\t\t\t<p class=\"tga-cde-note\">Processing happens in your browser. Results identify text patterns only and do not verify company ownership, legitimacy, website availability, mailbox existence, or deliverability.<\/p>\n\t\t\t<\/section>\n\t\t<\/div>\n\n\t\t<div class=\"tga-cde-after\">\n\t\t\t<section class=\"tga-cde-section\">\n\t\t\t\t<h2>How to Use the Results<\/h2>\n\t\t\t\t<p class=\"tga-cde-copy\">Treat the extracted list as a structured starting point for company research and lead cleanup.<\/p>\n\t\t\t\t<div class=\"tga-cde-info-grid\">\n\t\t\t\t\t<div class=\"tga-cde-info\"><strong>Standardize<\/strong><p>Domains are lowercased, stripped of paths and common prefixes, and prepared in a consistent format.<\/p><\/div>\n\t\t\t\t\t<div class=\"tga-cde-info\"><strong>Filter<\/strong><p>Common consumer and disposable email providers can be removed so company-domain research stays focused.<\/p><\/div>\n\t\t\t\t\t<div class=\"tga-cde-info\"><strong>Review<\/strong><p>Open or check each domain before connecting it to a company record, contact, or outreach campaign.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/section>\n\t\t\t<section class=\"tga-cde-section tga-cde-services\">\n\t\t\t\t<div><h2>Turn Clean Domains Into Better Research<\/h2><p class=\"tga-cde-copy\">Explore TradeGoAI services for buyer research, company checks, lead preparation, and international sales workflows.<\/p><\/div>\n\t\t\t\t<a class=\"tga-cde-button tga-cde-button--primary\" href=\"https:\/\/tradegoai.app\/es\/services\/\">Explore Services<\/a>\n\t\t\t<\/section>\n\t\t\t<section class=\"tga-cde-section\" aria-labelledby=\"tga-domain-extractor-1-faq-title\">\n\t\t\t\t<h2 id=\"tga-domain-extractor-1-faq-title\">Frequently Asked Questions<\/h2>\n\t\t\t\t<p class=\"tga-cde-copy\">Understand what the extracted domains can and cannot tell you.<\/p>\n\t\t\t\t<div class=\"tga-cde-faq\"><details><summary>What information can I paste into the Company Domain Extractor?<\/summary><p>You can paste email addresses, website URLs, plain domains, or mixed lead-list rows. The tool looks for recognizable email and web-domain patterns in each line.<\/p><\/details><details><summary>What happens to Gmail, Outlook, and other public email domains?<\/summary><p>When the public-email filter is enabled, common consumer and disposable email domains are excluded from the company-domain results and counted separately.<\/p><\/details><details><summary>Does a domain prove that the lead belongs to a company?<\/summary><p>No. A domain is only a formatting clue. Review the company website and public business information before relying on it for research or outreach.<\/p><\/details><details><summary>Does this tool check whether a website or email address works?<\/summary><p>No. It extracts and standardizes domain text. Use the Domain Health Checker for public website and email-domain configuration signals.<\/p><\/details><details><summary>Is my lead data uploaded or saved?<\/summary><p>The extraction runs in your browser. TradeGoAI does not save the pasted lead data or the extracted list.<\/p><\/details><\/div>\n\t\t\t<\/section>\n\t\t\t<section class=\"tga-cde-section\">\n\t\t\t\t<h2>Related Free Tools<\/h2>\n\t\t\t\t<p class=\"tga-cde-copy\">Continue from domain extraction to lead cleanup, public domain checks, and email pattern preparation.<\/p>\n\t\t\t\t<div class=\"tga-cde-related-grid\">\n\t\t\t\t\t<a class=\"tga-cde-related\" href=\"https:\/\/tradegoai.app\/es\/tools\/lead-list-cleaner\/\"><strong>Lead List Cleaner<\/strong><span>Standardize and deduplicate lead data before CRM import or outreach.<\/span><\/a>\n\t\t\t\t\t<a class=\"tga-cde-related\" href=\"https:\/\/tradegoai.app\/es\/tools\/domain-health-checker\/\"><strong>Domain Health Checker<\/strong><span>Review public HTTPS, MX, SPF, and DMARC configuration signals.<\/span><\/a>\n\t\t\t\t\t<a class=\"tga-cde-related\" href=\"https:\/\/tradegoai.app\/es\/tools\/email-pattern-generator\/\"><strong>Email Pattern Generator<\/strong><span>Prepare common company email patterns from a name and domain.<\/span><\/a>\n\t\t\t\t<\/div>\n\t\t\t<\/section>\n\t\t<\/div>\n\n\t\t<div class=\"tga-cde-i18n\" aria-hidden=\"true\">\n\t\t\t<span data-key=\"empty\">Select Extract Domains to build a clean domain list.<\/span>\n\t\t\t<span data-key=\"required\">Paste at least one email address, website, or domain.<\/span>\n\t\t\t<span data-key=\"tooMany\">Paste no more than 5,000 lines at a time.<\/span>\n\t\t\t<span data-key=\"none\">No company domains were found. Review the input or include public email domains.<\/span>\n\t\t\t<span data-key=\"complete\">Domain extraction complete.<\/span>\n\t\t\t<span data-key=\"copied\">Domains copied.<\/span>\n\t\t\t<span data-key=\"downloaded\">CSV downloaded.<\/span>\n\t\t\t<span data-key=\"reset\">Tool reset.<\/span>\n\t\t\t<span data-key=\"domain\">Domain<\/span>\n\t\t\t<span data-key=\"source\">First Matching Source<\/span>\n\t\t\t<span data-key=\"type\">Source Type<\/span>\n\t\t\t<span data-key=\"email\">Email<\/span>\n\t\t\t<span data-key=\"website\">Website or Domain<\/span>\n\t\t\t<span data-key=\"unique\">Unique Domains<\/span>\n\t\t\t<span data-key=\"excluded\">Public Domains Excluded<\/span>\n\t\t\t<span data-key=\"unmatched\">Lines Without a Domain<\/span>\n\t\t<\/div>\n\n\t\t<script>\n\t\t(function(){\n\t\t\tconst root=document.getElementById(\"tga-domain-extractor-1\");if(!root||root.dataset.ready==='1')return;root.dataset.ready='1';\n\t\t\tconst form=root.querySelector('form'),input=form.elements.input,results=root.querySelector('.tga-cde-results'),status=root.querySelector('.tga-cde-status'),copyBtn=root.querySelector('[data-action=\"copy\"]'),downloadBtn=root.querySelector('[data-action=\"download\"]');\n\t\t\tconst labels={};root.querySelectorAll('.tga-cde-i18n [data-key]').forEach(n=>labels[n.dataset.key]=n.textContent.trim());\n\t\t\tconst publicDomains=new Set(['gmail.com','googlemail.com','yahoo.com','yahoo.co.uk','hotmail.com','outlook.com','live.com','msn.com','icloud.com','me.com','aol.com','proton.me','protonmail.com','gmx.com','gmx.de','mail.com','yandex.com','qq.com','163.com','126.com','sina.com','naver.com','daum.net','hanmail.net','zoho.com','tempmail.com','mailinator.com','guerrillamail.com']);\n\t\t\tlet current=[];\n\t\t\tconst valid=d=>\/^(?=.{1,253}$)(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?.)+[a-z]{2,63}$\/i.test(d);\n\t\t\tconst cleanDomain=(value)=>{\n\t\t\t\tlet 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