DataFlow Converter

Convert CSV, JSON, and TSV files with advanced filtering, sorting, and formatting — all offline.

DataFlow Converter is a powerful browser extension that allows you to convert CSV, JSON, and TSV files directly within your browser — fast, secure, and completely offline. Built with a clean step-by-step interface, the extension lets you upload a file, configure conversion options, and instantly generate results without relying on any external services. 🚀 Core Features: • CSV → JSON conversion • JSON → CSV conversion • CSV → TSV conversion • JSON → TSV conversion ⚙ Advanced Configuration: • Custom delimiter support (comma, semicolon, pipe, tab, or custom) • JSON formatting options (2 spaces, 4 spaces, minified) • Header detection and column handling • Automatic data type detection (numbers, booleans, nulls) • Remove duplicate rows • Filter rows using conditions (contains, equals, starts with, greater than, less than) • Sort data by any column (ascending or descending) 💾 Templates System: Save your preferred conversion settings and reuse them anytime. Templates store all configuration options including filters and sorting. ⚡ Performance Optimized: • Uses Web Workers for background processing • Handles large files efficiently without blocking the UI • Real-time progress indicator 🎯 User Experience: • Drag & drop file upload • Step-by-step workflow (Upload → Configure → Result) • Instant preview of converted data • Copy to clipboard with one click • Download converted files instantly 🔒 Privacy & Security: • 100% offline — no internet required • No data collection or tracking • No external API calls • All processing happens locally in your browser This extension is ideal for developers, data analysts, and anyone who frequently works with structured data formats.