Convert CSV, JSON, and TSV files with advanced filtering, sorting, and formatting β all offline.
Users
24
+5 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#144K
#120K among extensions
Version
2.0.0
updated 25 Mar 2026
Users
monthly, 8 months
Latest, 21 Oct 2026:24 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 21 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About DataFlow Converter
DataFlow Converter is a powerful browser extension that allows you to convert CSV, JSON, and TSV files directly within your browser β 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.
π Core Features:
β’ CSV β JSON conversion
β’ JSON β CSV conversion
β’ CSV β TSV conversion
β’ JSON β TSV conversion
β Advanced Configuration:
β’ Custom delimiter support (comma, semicolon, pipe, tab, or custom)
β’ JSON formatting options (2 spaces, 4 spaces, minified)
β’ Header detection and column handling
β’ Automatic data type detection (numbers, booleans, nulls)
β’ Remove duplicate rows
β’ Filter rows using conditions (contains, equals, starts with, greater than, less than)
β’ Sort data by any column (ascending or descending)
πΎ Templates System:
Save your preferred conversion settings and reuse them anytime. Templates store all configuration options including filters and sorting.
β‘ Performance Optimized:
β’ Uses Web Workers for background processing
β’ Handles large files efficiently without blocking the UI
β’ Real-time progress indicator
π― User Experience:
β’ Drag & drop file upload
β’ Step-by-step workflow (Upload β Configure β Result)
β’ Instant preview of converted data
β’ Copy to clipboard with one click
β’ Download converted files instantly
π Privacy & Security:
β’ 100% offline β no internet required
β’ No data collection or tracking
β’ No external API calls
β’ All processing happens locally in your browser
This extension is ideal for developers, data analysts, and anyone who frequently works with structured data formats.