Developer Tools
JSON ↔ CSV Converter
FreeNo SignupPrivate — runs in your browser
Convert between JSON and CSV formats online for free. Custom delimiters, auto-detection, and nested objects. No signup required.
What is JSON ↔ CSV Converter?
Working with data often means switching between JSON and CSV formats. Our free JSON ↔ CSV Converter handles both directions instantly in your browser. Paste JSON arrays and get clean CSV output, or import CSV data and convert it to well-structured JSON — all with configurable delimiters and automatic type detection.
How to Use JSON ↔ CSV Converter
- 1Paste your JSON or CSV data into the input area
- 2Select the conversion direction (JSON→CSV or CSV→JSON)
- 3Configure options like delimiter and headers
- 4Copy or download the converted output
Key Features & Benefits
Bi-directional JSON ↔ CSV conversion
Custom delimiter support
Automatic data type detection
One-click copy and download
Frequently Asked Questions
Does it handle nested JSON objects?
Yes, nested objects are flattened into columns using dot notation for CSV output.
Can I change the CSV delimiter?
Yes, you can use comma, semicolon, tab, or pipe as your CSV delimiter.
Does CSV to JSON preserve data types?
Yes, numbers, booleans, and null values are automatically detected and preserved during conversion.