Convert CSV spreadsheet rows into clean JSON arrays or convert JSON objects back to CSV. Supports custom delimiters, indentation styles, and instant file export.
Convert CSV spreadsheet rows into clean JSON arrays or convert JSON objects back to CSV. Supports custom delimiters, indentation styles, and instant file export.
Fast and easy from start to finish
Paste or Upload Data: Enter your CSV rows or JSON data into the editor, or load a file.
Configure Format: Choose your delimiter and indentation preferences.
Copy or Download: Copy the converted output or download it as a .json or .csv file.
What you can do with this tool
Two-way conversion between CSV tabular rows and structured JSON
Delimiter support: Comma, Semicolon, Tab (TSV), and Pipe
Output formatting: Array of Objects, 2D Arrays, and compact minification
1-Click clipboard copying and downloadable data files
Unlock batch scale, higher resolution, and expanded limits
Convert enterprise datasets without browser memory crashes.
Force specific columns to integers, booleans, or ISO date strings.
Transform flat spreadsheet rows into deep hierarchical JSON.
Answers to common questions about CSV to JSON & JSON to CSV Converter
CSV cells stay as text so leading zeros and large numbers are preserved. Existing JSON numbers and true/false values are written as CSV text.
Yes, select Tab from the CSV Delimiter dropdown for full TSV compatibility.
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