온라인 CSV/Excel JSON 변환기
CSV, Excel (XLSX, XLS, ODS) 또는 TSV 데이터를 깔끔하고 구조화된 JSON 형식으로 변환하세요. 일괄 처리, 자동 인코딩 감지, 고급 서식 옵션을 지원합니다.
입력 CSV
필드 매핑 (선택 사항)
아래에 새 이름을 입력하여 출력 JSON 키의 이름을 변경하세요.
데이터 미리보기 (처음 10개 행)
How to Use
Drag and drop one or multiple CSV files into the upload area, or simply paste your CSV content into the text field.
Adjust parsing settings like separators and encoding. Use advanced options to handle null values or convert date formats.
Check the data preview to ensure correct parsing. Rename any fields in the "Field Mapping" section if needed.
Click "Convert to JSON Now" to see the result. You can then copy it to your clipboard or download it as a .json file.
Advanced CSV to JSON Conversion
Our Online CSV to JSON Converter is designed for developers and data analysts who need a reliable, fast, and feature-rich tool for data transformation. Unlike simple converters, we provide deep control over how your data is processed.
Batch Processing
Upload multiple CSV files at once. Our tool will parse them all and combine the records into a single JSON array, saving you time on repetitive tasks.
Smart Type Detection
Automatically detect numbers, booleans, and null values. You can also customize how empty cells are treated in the output JSON.
Why use JSON?
JSON (JavaScript Object Notation) is the standard format for data exchange on the web. It's easy for humans to read and write, and easy for machines to parse and generate. By converting your CSV data to JSON, you make it ready for use in web applications, APIs, and modern databases like MongoDB.