CSV ↔ JSON変換器
CSVをJSONに、JSONをCSVにオンラインで変換します。ヘッダー、引用符、区切り文字を適切に処理します。
CSV入力
機能紹介
The CSV ↔ JSON Converter tool converts tabular CSV data to structured JSON and back again. It helps you move data between spreadsheets, APIs, and databases without manual reformatting.
このツールを使うタイミング
Use this tool whenever you need to switch between CSV and JSON: importing or exporting data, preparing test fixtures, or cleaning up analytics reports for further processing.
使い方
Select conversion type
Choose whether you want to convert CSV to JSON or JSON to CSV depending on your current source file.
Paste or upload your data
Paste CSV from a spreadsheet or JSON from an API into the input area. Make sure headers and delimiters are correct.
Configure options if needed
Adjust options such as delimiter, quoting, or header row handling to match your source format.
Convert and review output
Run the conversion, inspect the result for structure and correctness, then copy it into your target system.
使用例
Preparing JSON test data from CSV
Convert a CSV export from a database into JSON objects you can use in unit tests or API mocks.
Creating CSV reports from API responses
Take JSON data from an analytics endpoint and convert it to CSV so you can analyze it in Excel or Google Sheets.