YurlieJSON & Data Tools
8 free utilities to format, validate, compare, and transform JSON and tabular data. Clean, fast, and entirely client-side.
JSON Formatter
Pretty-print and format JSON with syntax highlighting
JSON Validator
Validate JSON and get detailed error messages
JSON Minifier
Remove whitespace and minify JSON for production use
JSON Viewer
View JSON as an interactive collapsible tree with color-coded values
JSON → CSV
Convert JSON arrays to CSV format with proper escaping
CSV → JSON
Convert CSV data to JSON arrays instantly
JSON Diff
Compare two JSON objects and highlight added, removed, changed keys
CSV Analyzer
Analyze CSV files: column types, stats, and value frequency
Modern JSON & Serialization Tooling for Engineers
JSON (JavaScript Object Notation) is the backbone of modern web applications, microservices, and cloud APIs. However, debugging minified payloads, converting database dumps to CSV spreadsheets, or identifying deep structural differences across API versions can be frustrating without dedicated developer tools.
Yurlie's suite of JSON utilities simplifies these daily tasks. Format unreadable payloads with configurable indentation, inspect nested tree structures with color-coded type tags, convert between JSON arrays and CSV tables, and diff two objects with line-by-line key highlighting—all with zero tracking and total data privacy.
Frequently Asked Questions
What JSON and data utilities are available on Yurlie?
Yurlie offers 8 comprehensive JSON tools: JSON Formatter & Beautifier, JSON Syntax Validator (RFC 8259), JSON Minifier & Compressor, Interactive Collapsible Tree Viewer, JSON to CSV Converter, CSV to JSON Converter, JSON Diff Object Comparator, and CSV Column Statistics Analyzer.
Is it safe to format sensitive JSON or customer CSV files?
Yes, 100%. All parsing, formatting, and conversion algorithms execute locally in your web browser using JavaScript. No payload data, database records, or API credentials ever leave your computer.
How does Yurlie handle large JSON payloads or CSV spreadsheets?
Our tools use optimized streaming algorithms and zero-copy string buffers to process multi-megabyte JSON payloads and spreadsheets with tens of thousands of rows smoothly without freezing your browser tab.
Does the JSON validator pinpoint exact error locations?
Yes. When invalid JSON syntax is detected, the validator highlights the exact line number, column offset, and token where parsing failed, making it simple to fix missing commas, quotes, or unbalanced brackets.