JSON Tools
Browse all 16 free online json tools. 100% client-side processing — your data never leaves your browser.
JSON Formatter & Beautifier
Transform messy JSON into a clean, readable format. Features auto-indentation and syntax highlighting for developers.
JSON Editor (Tree View)
A powerful interactive editor for JSON data. Use tree-view or text-mode to explore, modify, and restructure your JSON files easily — all within your browser.
JSON to CSV Converter
Easily convert JSON arrays and objects to downloadable CSV format. Perfect for importing into Excel, Google Sheets, and data analysis workflows.
JSON to XML Converter
Seamlessly convert your JSON code to well-formed XML structure. Free, secure, and fast conversion for web service integration and legacy system compatibility.
JSON Validator (Lint)
Instantly validate your JSON code and pinpoint syntax errors. Catch missing commas, braces, and quotes with our smart error highlighter and line-by-line feedback.
JSON Schema Generator
Auto-generate a draft-07 JSON schema from your JSON input. An essential tool for API validation, documentation, and enforcing data contracts across services.
JSON to Excel Converter
Convert complex JSON structures into clean Excel (XLSX) spreadsheets. Best tool for business reports and data export.
JSON Diff (Comparison Tool)
Find differences between two JSON objects instantly. Highlights changes, additions, and deletions for easy debugging.
JSON Minifier/Compressor
Remove all white space and line breaks from your JSON code. Perfect for production-ready API payloads and performance.
JSON to TypeScript Interface
Convert JSON objects into TypeScript interfaces and classes instantly. Accelerate your frontend development with T00lz.
JSON Path Tester
Test and extract data from JSON using JSONPath expressions. A must-have tool for automation engineers, API testers, and backend developers working with nested data.
JSON to YAML Converter
Convert JSON data to clean, human-readable YAML format. Ideal for Docker Compose, Kubernetes manifests, CI/CD pipelines, and server configuration files.
CSV to JSON Converter
Import your CSV file and convert it to a structured JSON array or object. Simple, fast, and free — with auto-detection of headers, delimiters, and data types.
XML to JSON Converter
Easily convert legacy XML data to modern JSON format with high accuracy. Fast processing for web developers migrating APIs, feeds, and configuration files.
JSON Web Token (JWT) Decoder
Instantly decode any JSON Web Token (JWT) to inspect header, payload, and expiry claims. No secrets are shared — fully secure and processed in your browser.
JSON Escape/Unescape
Properly escape or unescape JSON strings for use in code and configuration files. Fast and reliable string sanitizer.