DataFlow Converter
Extension Actions
- Live on Store
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.
Latest reviews
- shailu adsastra19
- “A simple and efficient tool that quickly converts CSV to JSON and JSON to CSV with ease.” 👍
- shailu adsastra20
- “A simple and fast tool that easily converts **CSV to JSON and JSON to CSV** in seconds.” 🚀
- shailu adsastra 21
- “**CSV ⇄ JSON Converter is a simple and fast tool that easily converts data between CSV and JSON formats in seconds.**”
- shailu adsastra 13
- “CSV ⇄ JSON Converter is a fast and simple tool that quickly converts CSV files to JSON and JSON to CSV with great accuracy.” 🚀
- Kavya Allen
- Very good tool, easy to use. Helpful and smooth working tool. Good experience while using this tool. Simple interface and useful features. Overall a nice and reliable tool. 👍
- shailu adsastra12
- “CSV ⇄ JSON Converter is a fast and simple tool that quickly converts data between CSV and JSON formats with great accuracy.” 👍
- shailu adsastra 11
- A simple and efficient tool to quickly convert between CSV and JSON formats.
- shailu adsastra 10
- "Simple and efficient tool for quickly converting between CSV and JSON formats."
- jaswant singh Solanki
- “Simple and efficient tool to quickly convert between CSV and JSON formats with ease.”
- rohit malik
- “Simple and efficient tool to quickly convert CSV files to JSON and vice versa.”
- Ankit Sethi
- Quality is really good, highly recommended. Amazing experience, will use again.
- shiv Nayak
- "Simple and efficient CSV ⇄ JSON converter that makes data transformation quick and hassle-free."
- nausad khan
- The **CSV ⇄ JSON Converter extension** is a simple and useful tool that quickly converts CSV data to JSON and JSON to CSV. It is easy to use and saves time for developers and data users. 👍
- Arjun Singh
- Excellent and practical tool.
- Varun Bajaj
- Quality is really good, highly recommended. Amazing experience, will use again. Great support and professional behavior.
- Isha Reddy
- Perfect! Everything is great and works smoothly.
- sandeep sahu
- AVery good work, fully satisfied. 👍 Excellent service and fast response. Quality is really good, highly recommended.
- Sneha Patel
- Helpful features and simple usage.
- Arnav Shetty
- Very good product. I am really happy with the quality and performance.
- Nikhil Batra
- Excellent service and fast response. Quality is really good, highly recommended.
- Priya Nair
- Really impressed with the performance.
- Rupali Deshmukh
- Not very satisfied. The quality could be better and performance is average.
- chanderpal Kumar
- "This CSV ⇄ JSON Converter is fast, easy to use, and handles data flawlessly. Perfect for quick conversions between CSV and JSON formats."
- aman Gupta
- "Fast and easy tool to convert CSV to JSON and vice versa."
- Aarav Sharma
- Best tool extension I’ve installed this year. Very helpful and efficient.
- rajeev Verma
- “The CSV ⇄ JSON Converter is fast, easy to use, and reliable. It makes converting between CSV and JSON formats effortless, saving time and avoiding errors. Highly recommended for anyone handling data!”
- Devansh Malhotra
- Very good work, fully satisfied. 👍 Excellent service and fast response.
- ramkumar Sahu
- Great CSV ⇄ JSON Converter extension. Simple, fast, and very easy to use. It converts files instantly and saves a lot of time. Highly recommended!
- sunder paal
- Great extension! CSV ⇄ JSON Converter is simple, fast, and very easy to use. It saves time and works perfectly. Highly recommended.
- rohit rana
- This CSV ⇄ JSON Converter extension is simple and fast. It easily converts CSV to JSON and JSON to CSV. Very useful and time-saving tool. Highly recommended!
- Pravin Gangabhoj
- Excellent service and fast response.
- Pihu Anand
- Great performance with user-friendly interface.
- sparsh Mondal
- "Super easy to use! Converts CSV to JSON and vice versa instantly. Saves a lot of time and works flawlessly. Highly recommend!"
- punit Shah
- "A super handy tool! Quickly converts CSV files to JSON and vice versa with ease. Saves time and makes data handling simple."
- dinesh Saini
- "CSV ⇄ JSON Converter is super easy to use and saves a lot of time. Quickly converts files without any hassle. Highly recommended!"
- gulshan kumar
- "A very handy tool! Converts CSV to JSON and back effortlessly. Simple, fast, and easy to use for everyday tasks."
- arvind Jain
- "This CSV ⇄ JSON Converter is super easy to use and very fast. It makes converting data between CSV and JSON formats effortless and saves a lot of time. Highly recommended!"
- khadak singh
- CSV ⇄ JSON Converter is simple, fast, and very easy to use. It converts files quickly without any problems. Perfect tool for quick data conversion. Highly recommended!
- Amelia Patil
- Fantastic performance.
- ram Thakur
- CSV ⇄ JSON Converter is simple and very useful. It converts CSV to JSON and JSON to CSV quickly and smoothly. Easy to use and time-saving. Highly recommended!
- abhi rathi
- "CSV ⇄ JSON Converter is super easy to use and saves a lot of time. Quick, efficient, and reliable for converting data between formats."
- sanjay Sharma
- "This CSV ⇄ JSON Converter is super easy to use and saves a lot of time. Quick, reliable, and perfect for converting data effortlessly!"
- vikram Gupta
- CSV ⇄ JSON Converter is a simple and fast extension. It easily converts CSV to JSON and JSON to CSV. Very useful and time-saving tool. Highly recommended!
- Shiv Raj
- "This CSV ⇄ JSON Converter is super easy to use and saves a lot of time. Perfect for quick data conversions!"
- Emma Menon
- A great solution for everyday needs.
- kelash Das
- "The CSV ⇄ JSON Converter extension is super easy to use and saves a lot of time. Converting data between CSV and JSON formats is quick, accurate, and hassle-free. Highly recommend it!"
- Anvi Ross
- A great solution for everyday needs.
- kushal Patel
- "CSV ⇄ JSON Converter is super easy to use and saves a lot of time. Quickly converts files between CSV and JSON formats with accuracy. Highly recommended!"
- Shruti Prince
- Good tool, needs more features though.
- amit Yadav
- "This CSV ⇄ JSON Converter is super easy to use and saves a lot of time. Quickly convert data between CSV and JSON formats with just a few clicks. Highly recommended for anyone working with data!"