Free Online Data Editors & Conversion Tools
Edit, validate, and convert JSON, YAML, XML, Java properties, TOML, and CSV with private, browser-based tools.
Convert JSON, CSV, XML, and YAML
Start with a converter tailored to your source and destination, or use the flexible workspace below for Java .properties and TOML.
JSON to CSV
Turn arrays of JSON objects into CSV rows.
CSV to JSON
Convert CSV headers and rows into JSON objects.
XML to JSON
Transform XML elements and attributes into JSON.
JSON to XML
Create readable XML from structured JSON.
JSON to YAML
Rewrite JSON data as clean YAML.
YAML to JSON
Convert YAML configuration into JSON.
XML to CSV
Flatten XML records into CSV columns.
CSV to XML
Represent CSV records as structured XML.
Quick conversion workspace
Paste or upload your data, choose any two supported formats, and download the converted result. Your data never leaves your device.
Try a data conversion
Choose any of the six supported formats and convert locally in your browser.
Press Ctrl/⌘ + Enter to convert.
CSV is best for arrays of records; XML attributes use @_ keys in other formats.
Powerful Features
Everything you need to work with structured data formats efficiently and accurately.
Live Validation
Real-time syntax checking with inline error highlighting and detailed error messages.
Instant Formatting
Pretty-print and minify your data with a single click. Perfect indentation every time.
Format Conversion
Convert between JSON, YAML, XML, Java properties, TOML, and CSV with intelligent structure preservation.
Import & Export
Upload files from your computer or download formatted results as files.
Copy to Clipboard
One-click copying of formatted data. Seamless workflow integration.
Private Processing
Formatting, validation, and conversion happen locally without uploading your data.
Professional Editors and Converters
Every supported format has its own private editor, live validation, formatting, and file tools.
JSON Editor
Format, validate, view, and minify JSON with syntax highlighting and live feedback
XML Editor
Full-featured XML editor with well-formedness checking and structure validation
YAML Editor
Modern YAML editor with live validation, clean formatting, and parsed structure preview
Java .properties Editor
Edit Java configuration files with dotted keys, escaped values, and indexed arrays
TOML Editor
Validate and format TOML tables, arrays, and modern application configuration
CSV Editor
Edit tabular data with quoted-field parsing and a structured record preview
Format Converters
Convert between six popular data and configuration formats with intelligent mapping
Ready to streamline your data workflow?
Start using our professional data format tools today. No signup required.
Get Started NowFrequently Asked Questions
Quick answers about privacy, supported formats, conversion rules, and file handling.