Bulk Email Extractor
Paste massive datasets to aggressively extract and deduplicate thousands of emails in milliseconds.
Free Bulk Email Extraction
Built for marketers and researchers who need to process enormous unformatted blocks of text rapidly.
Stop Browser Freezing - Extract Emails from Large Files Instantly
Free Chrome Extension - processes everything locally
This online tool is great for quick pastes - but if you're working with large files, bulk exports, or sensitive data, the Chrome Extension is built for that.
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Process 100MB+ files - No browser freezing - background processing
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100% local - zero data sent - Your data never leaves your device
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Export to .TXT & .CSV - Download results directly to your computer
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Completely free, no account needed - Open source · No limits · No signup
WhoisExtractor: Email Tool
Chrome Extension · Free · Open Source
✔ Used by 10,000+ users
Add to Chrome - It's Free View source on GitHubPowerful Email Extraction Features
Professional-grade email extraction with advanced filtering, formatting, and processing capabilities
100% Duplicate-Free Results
Advanced deduplication algorithm ensures every email address appears only once in your results, saving you time and providing clean data.
Real-Time Email Counting
Instantly see how many valid email addresses were extracted from your input text, helping you track extraction success.
Flexible Output Separators
Choose from multiple separator options (comma, pipe, colon, newline) or define your own custom separator for perfect integration with your workflow.
Smart Email Grouping
Organize extracted emails into groups of any size you specify, with each group separated by paragraph breaks for easy processing.
Alphabetical Sorting
Optional alphabetical sorting makes it easy to find specific email addresses and creates organized, professional-looking lists.
Advanced String Filtering
Extract only emails containing specific strings or exclude unwanted patterns. Also supports URL extraction for comprehensive data gathering.
Advanced Keyword Filtering
Automatically remove unwanted emails containing proxy, spam, or system-related keywords. Pre-configured filters with option to add custom keywords.
Numeric Domain Removal
One-click removal of emails from numeric domains, which are often associated with temporary or proxy email services, ensuring higher quality results.
Fast Bulk Email Extraction for Huge Datasets
Processing massive unstructured blocks of text can crash standard tools. Our bulk extraction engine leverages optimized JavaScript to parse and deduplicate up to 50,000+ emails from raw text in milliseconds -all running locally in your browser so your data stays secure.
Who Should Use This Tool?
- Developers & Scrapers extracting emails from messy HTML payloads or unstructured logs.
- Marketers & Sales cleaning compiled email lists from massive CSV exports or CRM dumps.
- Researchers & Recruiters analyzing large text datasets and website raw copy to find contact info quickly.
Frequently Asked Questions
It utilizes an optimized browser Javascript engine that can typically parse and deduplicate 50,000+ emails in just a few milliseconds.
Yes, up to your browser's memory limit. For extremely massive files (hundreds of megabytes), use our companion Chrome extension for background processing.
Once extracted, you can enable Alphabetical sorting instantly. After reviewing, simply hit the export to TXT or CSV button.
Want ready-made bulk website email data?
Stop extracting one page at a time. Our Website Leads Database delivers verified emails, phone numbers, and contact data for millions of websites daily — ready-to-use CSV, no scraping needed.