Convert between JSON and CSV formats online for free. Custom delimiters, auto-detection, and nested objects. No signup required.
First time here? Paste your JSON or CSV data into the input area Your input is processed locally and disappears when you close the tab.
Data rarely stays in one shape, since analysts want spreadsheets while APIs speak JSON, and moving between the two by hand is tedious and error-prone. Our free JSON to CSV Converter bridges both formats instantly and in both directions, turning JSON arrays into clean, spreadsheet-ready rows or parsing raw CSV back into well-structured JSON.
Going from JSON to CSV, the converter flattens nested objects and arrays into dot-notation columns and unions every key so no field is lost, making it a great json csv tool for exporting API responses to Excel or Google Sheets. Going the other way, csv to json online parsing (powered by a battle-tested CSV engine) correctly handles quoted fields, escaped quotes, and embedded line breaks, and it auto-detects numbers, booleans, and nulls so your types survive the round trip. Choose a comma, semicolon, tab, or pipe delimiter, toggle header rows on or off, and upload a file or paste directly — everything you need in one convert csv json free workflow with instant copy and download.
As an entirely browser-based data format converter, your files are processed locally and never uploaded, keeping customer records and exports private. Preview results in our CSV Viewer, branch out to the XML to JSON Converter or YAML to JSON Converter for other formats, or clean up the output with the JSON Formatter.
Paste your JSON or CSV data into the input area
Select the conversion direction (JSON→CSV or CSV→JSON)
Configure options like delimiter and headers
Copy or download the converted output