🔒 100% Client-Side
📊 CSV to JSON Converter
Convert CSV data to JSON format
CSV Input
JSON Output
Convert CSV data to JSON format
All conversion happens in your browser. Your data never leaves your device.
Instant data conversion with no server delays.
Once loaded, works without internet connection.
No subscriptions, no hidden costs, completely free.
This CSV to JSON converter runs entirely in your browser using JavaScript. When you convert data, the processing happens completely on your device. We never upload your CSV files or data to any server, which means your spreadsheets, exports, and sensitive data remain completely private and secure.
Unlike online conversion services that require file uploads, our client-side approach ensures zero data transmission, zero server processing, and zero privacy concerns. Your data never leaves your computer.
This tool converts CSV (Comma-Separated Values) to JSON (JavaScript Object Notation). The conversion maintains data structure, handles quoted values correctly, and preserves your column headers as JSON object keys.
The tool processes files locally in your browser. Most CSV files under 50MB process quickly, but very large files may take longer depending on your device's memory and processing power.
Yes! The tool intelligently detects headers, handles quoted fields with commas, and preserves data relationships during conversion. Complex CSV structures are handled correctly to produce valid, well-formatted JSON.
Yes! This tool is completely free with no hidden costs or subscriptions. We believe privacy-first tools should be accessible to everyone.
We use Google Analytics to track page views for website improvement, but we never see, store, or collect your CSV data. All processing happens locally in your browser.