✅Recently updated
Description
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.
Reviews
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Permissions (1)
Permissions
storageℹ Can store data locally in your browser
Details
| Version | 2.0.0 |
| Updated | Mar 25, 2026 |
| Size | 374KiB |
| First Seen | Apr 1, 2026 |
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