What data formats can I convert between?

Our free tool supports conversion between JSON, XML, YAML, CSV, TSV, INI, TOML, and Properties formats. You can convert from any format to any other format.

Is this data format converter really free?

Yes! This tool is completely free with no hidden costs, subscriptions, or signup required. You can convert as many files as you need.

Is my data secure when using this converter?

Yes, all conversions happen directly in your browser. Your data never leaves your device and is not uploaded to any server.

Can I convert large files?

Yes, the tool can handle large files, but performance depends on your browser and device capabilities since all processing happens client-side.

What if my data has errors?

The converter includes validation and will show clear error messages if your input data is malformed, so you can quickly find and fix the problem.

Free Online Data Format Converter (No Signup)

About This Tool

Our free Universal Data Format Converter instantly converts between JSON, XML, YAML, CSV, TSV, INI, TOML, and Properties files. It auto-detects your input format, validates it with clear error messages, and lets you pretty-print or minify the result. Perfect for developers, data analysts, and anyone working with structured data.

Key Features: Auto-detect input format, swap formats with one click, robust quote/escape handling for CSV, syntax validation, pretty-print or minify, copy, download, and file upload. All conversions happen locally in your browser for maximum privacy and speed.

How to Use:

Leave Input Format on Auto-Detect (or pick it manually)

Paste your data or upload a file

Choose your desired output format

Click Convert to transform your data

Copy the result or download it as a file

How to Use This Tool

Pick an input format (or use Auto-Detect) — The converter can recognize JSON, XML, YAML, CSV, TSV, INI, TOML, and Properties automatically.
Paste or upload your data — Enter your data in the input area, or click the upload button to load a file from your computer.
Choose an output format — Select the target format you want to convert to from the output dropdown.
Click Convert — Press the Convert button to transform your data into the selected format instantly.
Copy or download — Copy the converted output to your clipboard or download it as a file.

Common Use Cases

How do I convert JSON to XML? Paste your JSON data, select XML as the output, and click Convert to get well-formed XML output.
How do I turn a CSV file into JSON? Upload or paste your CSV data and convert it to a structured JSON array for use in web applications.
How do I convert YAML configuration to TOML? Transform YAML config files to TOML format for tools like Rust's Cargo or Hugo static site generator.
How do I reformat messy JSON? Paste unformatted JSON and convert to JSON again to get a clean, prettified output with proper indentation.
How do I convert INI settings to YAML? Migrate legacy INI configuration files to modern YAML format for Ansible, Kubernetes, or Docker Compose.

Data Format Converter

About This Tool

How to Use:

Input Data

Output Data

Conversion Options

How to Use This Tool

Common Use Cases