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max 50MB

Inspector document/json-to-csv

JSON naar CSV Converter

Overview

Convert JSON files or raw JSON data to CSV format entirely inside your browser — your data never leaves your device. The converter handles both array-of-objects and array-of-arrays structures, automatically flattening nested objects into dot-notation columns (e.g. `user.name`, `user.age`). Choose your CSV delimiter — comma, semicolon, tab, or pipe — to match the requirements of your target spreadsheet or database, then preview the result before downloading.

API Response to SpreadsheetDevelopers paste or drop JSON responses from REST APIs and convert them to CSV for quick analysis in Excel or Google Sheets.
Database Export PrepData engineers flatten nested JSON exports into a tabular CSV that can be bulk-imported into SQL databases or data warehouses.
Regional CSV CompatibilityUsers in locales where Excel expects semicolons instead of commas switch the delimiter to avoid broken columns on import.
Sensitive Data Stays LocalAnalysts working with confidential records convert JSON to CSV without sending files to a third-party server, keeping data fully private.
Quick Data PreviewNon-technical users preview how their JSON structure maps to rows and columns before committing to a download.

Key features

Converteer JSON naar CSV-formaat
Ondersteuning voor array van objecten
Ondersteuning voor array van arrays
Aanpasbare CSV-scheidingstekens
Voorvertoning vóór conversie

Set

Document 11

Neighbours

01 Factuur Generator 02 CSV naar JSON Converter 03 CSV naar XLSX Converter 04 JSON naar XLSX Converter 05 Markdown-editor met livevoorbeeld 06 Spreadsheet Converter

Specification

Command: document.json_to_csv
Set: Document
Input: JSON
Output: CSV
Max. bestand: 50MB
Batch: single file

Runtime

Engine: SheetJS · Intl.Segmenter
Threads: single
Isolated: —
WebGPU: —
Memory: —

Transport 0 B

The file is opened, worked on and written back inside this tab. No upload step exists in this tool — there is nowhere for the bytes to go.

Keys

Zoeken: ⌘K
Panels: ⌘1 · ⌘2
Full width: F
All keys: ⌘/

How it works

Upload JSON File

Select your JSON file or paste JSON data directly. The tool automatically detects whether your JSON is an array of objects or array of arrays.

Configure CSV Options

Choose your preferred CSV delimiter (comma, semicolon, tab, or pipe) and review how your JSON data will be structured as CSV.

Download CSV

Preview the converted CSV data and download the file. Your JSON data is now ready for use in spreadsheet applications or databases.

Frequently asked

What JSON structures can I convert?

The tool supports array of objects (where each object becomes a CSV row with properties as columns) and array of arrays (where each sub-array becomes a row). Complex nested objects are automatically flattened.

How are nested JSON objects handled?

Nested objects are flattened using dot notation. For example, a JSON object like {user: {name: 'John', age: 30}} becomes columns 'user.name' and 'user.age' in the CSV.

Can I choose different CSV delimiters?

Yes, you can choose from comma (,), semicolon (;), tab, or pipe (|) delimiters to ensure compatibility with your target system or regional CSV standards.

How are different data types converted?

Numbers and strings are preserved as-is, booleans become 'true'/'false', null values become empty cells, and dates are converted to ISO string format.

What happens with missing properties in objects?

If objects in your JSON array have different properties, missing properties are filled with empty values in the CSV to maintain consistent column structure.

Is there a file size limit?

The tool can process JSON files up to 50MB. For larger files, consider splitting your JSON data into smaller chunks before conversion.

Keys

Zoeken: ⌘K
Panels: ⌘1 · ⌘2
Full width: F
All keys: ⌘/

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