Our Data Converter is a simple and powerful tool designed to help you switch between different data formats in seconds. Whether you need to turn a CSV spreadsheet into a JSON array, convert an Excel file to XML, or change YAML to JSON, this tool handles it all locally in your browser. It's fast, secure, and preserves your data's structure perfectly without ever uploading it to a server.

Key Features & Benefits

Native Excel Support

Easily upload Excel (.xlsx) files and convert them into clean JSON, CSV, or XML formats in one click.

Complete Formatting Control

Customize your output by choosing whether to include headers, setting custom delimiters, and picking your indentation style.

Instant Data Preview

See a preview table of your first few rows before you download, ensuring your data is structured exactly how you want it.

Privacy First

We never see your data. All conversions happen entirely on your own device, so your sensitive information remains private.

How to Use the Convert Data Online for Free - CSV, JSON, XML, Excel

Upload Your Data

Paste your raw text into the editor or click 'Import File' to upload an existing file from your computer.

Set Your Formats

Choose the 'From' and 'To' formats in the sidebar, and adjust any options like headers or indentation.

Convert Instantly

Click the 'Convert Data' button and our engine will immediately translate your file into the new format.

Check and Download

Look at the data preview to make sure everything looks right, then download your final file or copy it to your clipboard.

Practical Use Cases

Developer Workflows

Quickly turn a CSV export from a database into a JSON object you can use directly in your code or API.

DevOps & Config

Translate complex JSON settings into clean YAML files for easier management of your servers and containers.

Marketing & Sales

Convert programmatic JSON data from your web apps into Excel files so your non-technical team members can view them easily.

Legacy System Updates

Turn modern JSON data into strictly formatted XML structures with custom tags to keep older enterprise software running smoothly.

FAQs

What data formats can I convert between?

The Data Converter supports conversion between CSV, JSON, XML, YAML, TSV, and Excel (XLSX) formats. You can convert from any supported format to any other, including Excel files.

How do I convert Excel to JSON?

Simply upload your .xlsx file. The tool will automatically parse the first sheet and display the JSON data. You can then download it as a JSON file.

Can I convert JSON to Excel?

Yes! Paste your JSON data (array of objects), select 'Excel (XLSX)' as the Target Format, and click Convert. You can then download the .xlsx file.