Convert CSV Spreadsheets into Structured JSON Arrays
Convert tabular CSV files into developer-friendly JSON datasets ready for REST API payloads and database seeds.
CSV to JSON
activeConvert CSV or TSV spreadsheet data into structured JSON array records with typed field detection.
Choose Files or Drag & Drop here
Accepts formats: CSV, TSV (Max 15 MB per file)
How to Convert CSV to JSON Online
Upload your CSV file.
ConvertFlow automatically parses delimiters and types.
Download your formatted JSON dataset.
Frequently Asked Questions about CSV to JSON
Does this handle custom delimiters like semicolons or tabs?
Yes! ConvertFlow automatically inspects the first rows to detect commas, tabs, pipes, or semicolons.
Related Data & Code
Convert CSV to Excel (XLSX)
Convert CSV and TSV spreadsheets to Microsoft Excel workbook format (.xlsx, .xls) with cell formatting and headers.
Convert CSV to MySQL / MariaDB
Convert CSV data into MySQL and MariaDB CREATE TABLE definitions and batch INSERT INTO statements.
Convert CSV to SQLite
Convert CSV files into SQLite database dumps and DDL schema scripts with typed column mappings.
Convert CSV to PostgreSQL / PSQL / PGSQL
Convert CSV data into PostgreSQL DDL schema definitions, COPY commands, and INSERT statements.