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JSON ↔ CSV Converter

Convert JSON to CSV or CSV to JSON instantly. Paste text or upload a file. Handles quoted fields, nested data, and automatic type detection

4.8 ⭐ (9,483 ratings) 100% Free Both Directions

Paste a JSON array of objects (or a single object) to convert it into a CSV table.

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ℹ️ How to Use the JSON ↔ CSV Converter

Choose Direction: Pick JSON → CSV or CSV → JSON depending on what you're converting.
Add Your Data: Paste text directly, upload a file, or click Load Sample to try it out.
Convert: Click Convert to instantly transform your data into the other format.
Copy or Download: Copy the result or download it as a ready-to-use .json or .csv file.

Free Online JSON to CSV and CSV to JSON Converter

Convert JSON to CSV or CSV to JSON with our free online converter. Paste your data directly, upload a file, or load a sample to see it in action. Whether you're exporting API data into a spreadsheet-friendly format or turning a CSV export into structured JSON for your application, this tool handles both directions instantly. Completely free, no registration required, and all processing happens securely in your browser.

Key Features

Both Directions: Convert JSON arrays of objects into CSV tables, or parse CSV data back into structured JSON - switch between modes with one click.

Handles Quoted Fields: Properly parses CSV fields containing commas, quotes, and line breaks, following standard CSV quoting rules.

Automatic Type Detection: When converting CSV to JSON, numbers and true/false values are automatically converted to their proper JSON types instead of staying as plain text.

Paste or Upload: Work however you prefer - paste text directly, or upload an existing .json or .csv file from your device.

Common Use Cases

Spreadsheet Export: Convert JSON API responses into CSV so they can be opened in Excel, Google Sheets, or other spreadsheet software.

Data Import: Turn a CSV export from a spreadsheet or database into JSON for use in an application, script, or API request.

Data Migration: Quickly reformat data between systems that expect different file formats.

How It Works

Choose JSON → CSV or CSV → JSON based on the conversion you need. Paste your data into the input box, upload a file, or click Load Sample to try the tool with example data. Click Convert to transform it instantly. Copy the result to your clipboard or download it as a ready-to-use file.

Start Converting JSON and CSV Now!

Paste or upload your data above and convert it instantly!

Frequently Asked Questions

Select the JSON → CSV mode, paste a JSON array of objects (or upload a .json file), then click Convert. Each object becomes a row and its keys become the CSV column headers.

Select the CSV → JSON mode, paste your CSV data with a header row (or upload a .csv file), then click Convert. Each row becomes a JSON object using the header row as keys.

Yes — the converter properly parses quoted CSV fields that contain commas, quotes, or line breaks, following standard CSV quoting rules, so your data stays accurate.

Yes — when converting CSV to JSON, values that look like numbers or booleans are automatically converted to their proper JSON types. Values with leading zeros, like ZIP codes, are kept as text so they aren't altered.

Yes — click Upload File to load a .json or .csv file from your device directly into the input box. Files up to 5MB are supported.

Completely private. All conversion happens locally in your browser using JavaScript — your data is never uploaded to a server or stored.

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Important Disclaimer — Read Before Use

This tool is provided for informational, educational, and entertainment purposes only. Results are estimates or AI-generated content and should NOT be considered as professional advice, guaranteed predictions, or 100% accurate information.

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AI & Accuracy Notice

AI can make mistakes, hallucinate, or provide inaccurate information. All calculators, generators, and AI tools may contain errors or bugs. Results are estimates only. Always verify critical information independently before using for important decisions.

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Health & Finance Tools

NOT medical, financial, or tax advice. BMI, pregnancy, period, calorie, tax, SIP, EMI calculators provide general estimates only. Never replace professional consultation. For health, pregnancy, investments, or tax decisions, always consult licensed doctors, CAs, or financial advisors.

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Astrology & Religious Content

Not guaranteed predictions or authentic religious scriptures. Kundli, horoscopes, numerology, vastu, aartis, chalisas, mantras are for entertainment and personal reflection only. Practices vary by tradition. For serious guidance, consult qualified astrologers, priests, or spiritual advisors.

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No Professional Advice

This tool does NOT replace consultation with professionals. Generated documents (resumes, certificates, invoices, biodata) are templates only, not legally binding. For legal, medical, financial, religious, or other professional matters, always consult licensed experts.

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User Responsibility & Liability

Use entirely at your own risk. You are responsible for: verifying outputs, copyright compliance, data backup, and consequences of decisions made using tool results. We are NOT liable for any damages, losses, or consequences arising from tool use. Users must be 18+ or have parental consent.

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Terms & Conditions

Tools provided "as is" without warranties. We may modify, update, or discontinue tools anytime without notice. External links/APIs are third-party and not our responsibility. No guarantee of uptime, accuracy, or data storage. Always save important outputs locally.