DataFlow Convert

Convert CSV, Excel, and JSON files.

Six output formats — CSV, JSON, XLSX, Parquet, SQL, SQLite. Inline JSON editor with one-click repair. Nested JSON to multi-sheet Excel. Column selector and rename. All in the browser, nothing stored.

File
Convert to

More tools

JSON RepairFix missing brackets, trailing commas, truncated fragments — paste and click.JSON Path ExtractPull any nested value with dot-notation: data.bookies.pl or orders.0.price.CSV → SQLGenerate CREATE TABLE + INSERT INTO statements for any SQL database.CSV → SQLiteDownload a .sqlite file — query locally in DB Browser, Python, or Node.js.JSON → Excel (multi-sheet)Nested arrays become separate sheets. Dot-notation for nested objects.CSV → JSONEdit the output inline, repair if broken, copy without downloading.