⚡ Fast • Private • Accurate
CSV to JSON Converter
Upload or paste your CSV data and instantly convert it into clean JSON. The first row is used as keys, and the tool supports commas, semicolons, and tabs.
Convert CSV to JSON
Upload CSV File
Drag & drop .csv here
Browse File
File size will appear in statistics
Paste CSV Data
Delimiter: —
JSON Output
Paste CSV and click Convert to see JSON.
Total Rows
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Total Columns
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Total JSON Objects Generated
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File Size
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How it works
- Upload CSV or paste CSV data.
- Click Convert to generate JSON instantly.
- Copy the JSON or download it as a .json file.
Features
- Auto-detect headers from the first row.
- Supports commas, semicolons, and tabs.
- Pretty JSON formatting and minified JSON option.
- Syntax highlighting for easy review.
- Copy + Download + Clear All actions.
- Friendly validation for malformed CSV input.
Frequently asked questions
What is a CSV to JSON Converter?
A CSV to JSON Converter transforms CSV data into JSON objects (using the first row as keys).
How do I convert CSV to JSON online?
Upload a .csv file or paste CSV, then click Convert to generate JSON instantly in your browser.
Is this CSV to JSON tool free?
Yes. It’s free and runs fully in your browser with no sign-up required.
Does it support large CSV files?
It supports practical file sizes within browser limits. For best performance, use reasonably sized CSVs.
Is my CSV data secure?
Yes. CSV to JSON conversion happens locally and your data isn’t uploaded to any server.
Can I download the JSON file after conversion?
Yes. Use the Download JSON button to save your output as a .json file.