CSV to JSON.

Excel/CSV to JSON Converter. Convert your spreadsheet data to JSON with preview and interactive editing capabilities.

CSV/Excel to JSON Converter

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Upload a CSV or Excel file to get started

Use cases

Real-world uses.

Web Developers
Convert CSV data from clients or datasets into JSON for use in web applications and APIs.
Data Analysts
Transform spreadsheet data into JSON format for data visualization tools and JavaScript frameworks.
System Integrators
Easily convert between data formats when connecting systems that use different data structures.
Content Managers
Convert product catalogs or content databases from spreadsheets to JSON for CMS imports.
QA Engineers
Create and edit test data in a familiar spreadsheet format, then export to JSON for testing APIs.
Database Administrators
Convert database exports from CSV to JSON format for NoSQL databases or application configs.

How it works

Five steps.

  1. 01

    Upload your CSV or Excel file to get started.

  2. 02

    Preview your data in the table view and make any necessary edits.

  3. 03

    Configure JSON output options like indentation and null handling.

  4. 04

    Switch to JSON view to see the converted output.

  5. 05

    Copy the JSON or download it as a file.

Features

Key Features.

Powerful features to streamline your CSV to JSON conversion

  • CSV & Excel Support

    Upload and convert .csv, .xlsx, .xls files to JSON format.

  • Interactive Table Editor

    Edit, add, or delete rows and columns directly in the preview.

  • Live JSON Preview

    See changes in real-time as you edit your data.

  • Customizable Output

    Configure pretty printing, indentation, and null value handling.

  • Export Options

    Copy to clipboard or download as a .json file.

  • Clean JSON Format

    Get properly formatted JSON output ready for use in your applications.

FAQ

Questions.

Can't find an answer? Send us your question.

What file formats are supported?

The converter supports CSV files (.csv) and Excel files (.xlsx, .xls, .xlsb, .xlsm).

Can I edit the data before converting to JSON?

Yes, you can edit cell values, add or remove rows and columns in the table view before generating JSON.

How do I handle null or empty values?

You can toggle the 'Include Null Values' option to either keep or remove null values from the JSON output.

Is there a limit to file size?

The tool processes files in your browser, so very large files (over 10MB) may cause performance issues.

Is my data secure when using this tool?

Yes, all processing happens locally in your browser. Your data is never sent to any server.

Can I convert multiple sheets from an Excel file?

Currently, the tool converts only the first sheet of an Excel file.

How do I format the JSON output?

You can enable 'Pretty Print' and select your preferred indentation level (2, 4, or 8 spaces).

Can I see a preview before downloading?

Yes, the JSON output is displayed in real-time and you can review it before copying or downloading.

Does the tool support special characters?

Yes, the converter properly handles special characters and encodes them correctly in the JSON output.

Can I save my conversion settings?

Currently, settings are not saved between sessions. You'll need to reconfigure your preferences each time.

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