Free Online Data Converter Tools – Convert CSV, JSON, Excel & More

Transform your data between popular formats instantly with our professional online conversion tools.
Fast, secure, and easy to use - no registration required.

Key Features

Instant Conversion

Convert data in real-time

100% Secure

Data stays in your browser

Always Free

No registration required

Most Popular Converters

These are our most popular data conversion tools, trusted by millions of users for their daily data processing tasks.

CSV to JSON

Popular
Convert CSV files to JSON format instantly. Fast, secure, and easy to use online CSV to JSON converter.
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JSON to CSV

Popular
Convert JSON data to CSV format instantly. Professional online JSON to CSV converter with advanced options.
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JSON Formatter

Popular
Format, validate and beautify JSON data online. Professional JSON formatter with syntax highlighting.
Try Now

Table Conversion Tools

Convert between different table formats with our comprehensive table conversion tools. Support CSV, Excel, JSON, XML and more.

CSV to JSON
Table Tool
Convert CSV files to JSON format instantly
Convert Now
JSON to CSV
Table Tool
Convert JSON files to CSV format instantly
Convert Now
CSV to EXCEL
Table Tool
Convert CSV files to EXCEL format instantly
Convert Now
EXCEL to CSV
Table Tool
Convert EXCEL files to CSV format instantly
Convert Now
EXCEL to JSON
Table Tool
Convert EXCEL files to JSON format instantly
Convert Now
JSON to EXCEL
Table Tool
Convert JSON files to EXCEL format instantly
Convert Now

All table converters are available directly from the root URL. Try csv-to-json,json-to-csv,csv-to-sql, and more!

Table Conversion Tools

Convert between different table formats with our comprehensive table conversion tools. Support CSV, Excel, JSON, XML and more.

CSV to JSON

Table Tool
Convert CSV files to JSON format instantly
Convert Now

JSON to CSV

Table Tool
Convert JSON files to CSV format instantly
Convert Now

CSV to EXCEL

Table Tool
Convert CSV files to EXCEL format instantly
Convert Now

EXCEL to CSV

Table Tool
Convert EXCEL files to CSV format instantly
Convert Now

EXCEL to JSON

Table Tool
Convert EXCEL files to JSON format instantly
Convert Now

JSON to EXCEL

Table Tool
Convert JSON files to EXCEL format instantly
Convert Now

All Conversion Tools

Browse our complete collection of data conversion tools, organized by category to help you quickly find the converter you need.

Data Format Converters

Convert between different data formats

CSV to JSON

Convert CSV files to JSON format instantly. Fast, secure, and easy to use online CSV to JSON converter.
Use Tool

JSON to CSV

Convert JSON data to CSV format instantly. Professional online JSON to CSV converter with advanced options.
Use Tool

Text Processing Tools

Process and format text data

JSON Formatter

Format, validate and beautify JSON data online. Professional JSON formatter with syntax highlighting.
Use Tool

Need More Tools?

We're constantly adding new conversion tools and utilities. Have a suggestion or need a specific converter?

Request a Tool

Frequently Asked Questions

Is my data safe when using these tools?

Yes, absolutely. All conversions happen entirely in your browser using JavaScript. Your data never leaves your device or gets uploaded to our servers.

Do I need to create an account?

No account required. You can start using any of our conversion tools immediately without registration.

Are there any file size limitations?

Since processing happens in your browser, the main limitation is your device's memory. Most files under 100MB should work fine.

What formats do you support?

We support CSV, JSON, Excel (.xlsx, .xls), XML, HTML, and various text formats. We're constantly adding new formats.