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
JSON to CSV
JSON Formatter
Table Conversion Tools
Convert between different table formats with our comprehensive table conversion tools. Support CSV, Excel, JSON, XML and more.
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
JSON to CSV
CSV to EXCEL
EXCEL to CSV
EXCEL to JSON
JSON to EXCEL
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
Text Processing Tools
Process and format text data
JSON Formatter
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.