Professional email:password extraction with advanced duplicate detection and analytics
The Email:Password Extractor is a powerful, client-side tool designed to extract email:password combinations from various text-based files. Built with privacy and performance in mind, it processes files directly in your browser without uploading any data to servers. The tool features real-time extraction, duplicate detection, domain analytics, and multiple export options.
All extraction happens in your browser - your files never leave your device. Supports files up to 500MB with chunked processing for stability.
Advanced regex pattern matching finds email:password combinations with high accuracy, even in large, unstructured text files.
Identifies duplicate entries and emails appearing in multiple domains with detailed reporting and statistics.
Get insights about domain distribution, top domains, duplicate percentages, and email frequency per domain.
Watch extraction progress in real-time with speed metrics, found counts, and estimated completion.
Download all data, unique entries only, or detailed duplicate reports in text format.
• Processes up to 500MB files seamlessly
• Handles millions of entries with Set-based deduplication
• Real-time progress with 10MB chunk processing
• Zero server load - 100% client-side
• Memory-efficient chunked reading
// Core extraction pattern
/([a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}):([^:\s\n]+)/g
// Example matches:
john.doe@example.com:password123
user@gmail.com:pass456
admin@company.co.uk:securePass789
The tool uses optimized regular expressions to find email:password patterns in text. Files are processed in 10MB chunks for stability, with deduplication using JavaScript Sets for O(1) lookup performance. Domain statistics are tracked using Maps for efficient data organization.
Extract credentials from log files for security analysis and breach assessment.
Analyze email patterns, domain distributions, and duplicate entries in large datasets.
Extract and deduplicate email credentials during system migrations.
Parse authentication logs to extract successful login patterns.
Current Version: 2.0.0
Last Updated: December 2024
PHP Version: 7.0+
Browser Support: Chrome, Firefox, Safari, Edge (latest versions)
Changelog: