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JSON to CSV

Introducing JSON to CSV — Now Live on Tools.Town

JSON to CSV converts JSON arrays to spreadsheet-ready CSV — flattens nested objects, handles arrays, and gives you a clean table you can open in Excel or Google Sheets.

Tools.Town Team 7 May 2026 3 min read

JSON to CSV is now live on Tools.Town — a data conversion tool that takes a JSON array and produces a properly formatted CSV file, with nested object flattening, column selection, and your choice of delimiter.

Got an API response you want to analyze in a spreadsheet? Paste the JSON, get the CSV.

What Does It Do?

JSON → CSV

Converts arrays of objects to rows and columns. Each key becomes a column header.

Nested Flattening

Flattens nested objects using dot notation — address.city becomes its own column.

Column Picker

Choose exactly which fields to include in the CSV output before downloading.

Your data is processed entirely in the browser — no JSON is sent to any server.

How It Works

Paste JSON

Paste your JSON array into the input area. Validation catches syntax errors immediately.

Choose columns

Select which object keys to include. Toggle nested flattening on or off.

Download CSV

Click Download to save the file, or Copy to grab the CSV text directly.

Why We Built It

API responses come in JSON. Reporting tools expect CSV. This conversion happens hundreds of times a day in data teams, support operations, and business analytics. JSON to CSV makes it instant — without writing a script, without opening an IDE, and without any configuration overhead.

Try It Now

Free Tool
No sign-up In-browser

JSON to CSV

Convert JSON arrays to spreadsheet-ready CSV. Flatten nested objects, pick columns, download or copy.

Array to rowsNested flatteningColumn pickerSemicolon / tab delimiter
Convert JSON to CSV

Also available: CSV to JSON for the reverse, and JSON Formatter to clean up raw JSON first.

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Tags #launch #developer #json #csv #converter

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Frequently Asked Questions

What JSON structures does it handle?
Arrays of objects (the most common case), as well as a single object with array values. Nested objects can be flattened with dot notation (e.g. address.city).
Can I choose which fields to include?
Yes. After parsing, you can deselect columns you don't need before generating the CSV output.
What delimiter does the CSV output use?
Comma by default. You can switch to semicolon or tab for compatibility with specific regional Excel settings.

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