JSON to CSV Converter
Transform your JSON data into CSV format with our powerful converter
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100% Free - No Sign-up Required
Convert JSON to CSV Instantly
The fastest, most secure way to transform your JSON data into CSV format. Works offline, processes everything locally, and your data never leaves your browser.
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Lightning Fast
Works Offline
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FEATURES
Everything You Need to Convert JSON
A powerful, feature-rich converter built for developers, data analysts, and anyone who works with JSON data.
100% Private & Secure
Your data never leaves your browser. All processing happens locally on your device - no servers, no uploads, no tracking.
Works Offline
Install as a Progressive Web App (PWA) and use it anytime, anywhere - even without an internet connection.
Lightning Fast
Instant conversion with no server delays. Handle large files efficiently with optimized parsing and streaming.
Flatten Nested JSON
Automatically flatten complex nested objects and arrays into clean, flat CSV columns with customizable separators.
Custom Delimiters
Choose your preferred delimiter - comma, semicolon, tab, or pipe. Support for custom quote characters too.
Live Preview
See your CSV output update in real-time as you modify settings. No need to click 'convert' every time.
Path Selection
Navigate your JSON structure visually and select exactly which paths you want to convert to CSV.
Monaco Editor
Professional code editing experience with syntax highlighting, error detection, and auto-formatting.
Easy Export
Download your CSV file instantly or copy to clipboard with a single click. Ready for Excel, Google Sheets, or any data tool.
HOW IT WORKS
Convert JSON to CSV in 3 Easy Steps
No complicated setup, no account required. Just paste, configure, and download.
01
Paste or Upload JSON
Simply paste your JSON data into the editor or drag and drop a JSON file. The editor supports large files with syntax highlighting.
02
Configure Options
Select the data paths you want to export, choose your delimiter, and configure flattening options for nested data.
03
Download CSV
Preview your CSV in real-time, then download the file or copy it to your clipboard. It's that simple!
Ready in seconds, not minutes
Use Cases
See how developers and data analysts use our JSON to CSV converter
API Response Processing
Convert API JSON responses to CSV for analysis in Excel or Google Sheets. Perfect for REST API data extraction.
Data Analysis
Transform complex JSON datasets into flat CSV files that can be easily analyzed in BI tools like Tableau or Power BI.
Database Migration
Export JSON database dumps to CSV format for importing into SQL databases or other data systems.
Log Processing
Convert JSON-formatted logs to CSV for easier filtering and analysis in spreadsheet applications.
Testing & QA
Generate test data in CSV format from JSON fixtures for database seeding and integration testing.
Business Reporting
Transform business data exports from SaaS tools and platforms into spreadsheet-friendly formats.
CONVERTER TOOL
Start Converting Now
Transform your JSON data into CSV format with our powerful converter
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JSON to CSV Converter
v0.1.67JSON to CSV Converter
Transform your JSON data into CSV format with our powerful converter
- Convert JSON data to CSV format instantly
- Support for nested JSON structures with path selection
- Customize CSV output with delimiter and header options
- Process files locally - no data sent to servers
- Works offline as a Progressive Web App
Frequently Asked Questions
Got questions about our JSON to CSV converter? We have answers.
Yes, absolutely! Our JSON to CSV converter is 100% free with no hidden costs, no premium tiers, and no limitations. You can convert as many files as you want, of any size, without paying anything.
Your data is completely secure because it never leaves your browser. All processing happens locally on your device using JavaScript. We don't have servers that receive your data - it's all client-side processing.
Yes! Our converter is built as a Progressive Web App (PWA). You can install it on your device (desktop or mobile) and use it completely offline.
We support all valid JSON formats including: simple arrays, arrays of objects, nested objects, deeply nested structures, and mixed data types.
Our converter includes a powerful flattening feature. You can enable 'Flatten Objects' in the settings to convert nested objects into flat columns using dot notation.
Yes! The tool provides a tree-view of your JSON structure where you can select exactly which paths and fields you want to include in your CSV output.
We support all common delimiters including comma (,), semicolon (;), tab, and pipe (|). You can also specify a custom delimiter.
There's no hard limit on file size since processing happens in your browser. However, very large files (100MB+) may be slower depending on your device's memory.
Currently, this tool focuses on JSON to CSV conversion. We're considering adding CSV to JSON conversion in a future update.
We welcome feedback! You can reach out via email or through our social channels. We actively maintain this tool and regularly add new features.
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Ready to Convert Your JSON?
Join thousands of developers and data professionals who trust our tool for their JSON to CSV conversions. It's free, fast, and secure.
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