JSON Tools
Browse all 19 free online json tools. 100% client-side processing — your data never leaves your browser.
JSON Formatter: Free Online Pretty Print & Beautifier
Format messy JSON into clean, readable code with 2 or 4-space indentation. 100% secure client-side JSON beautifier with syntax highlighting for developers.
JSON Editor (Tree View)
Interactive online JSON editor. Use tree-view or text-mode to explore, modify, and restructure JSON files instantly.
JSON to CSV Converter: Free Online Data Transformer
Convert JSON to CSV format instantly. Perfect for importing data into Excel, Google Sheets, and analysis workflows.
JSON to XML Converter
Convert JSON to well-formed XML instantly. Free, secure, fast conversion for web services and legacy compatibility.
JSON Validator: Online Syntax Checker & Lint Tool
Instantly validate JSON code against RFC 8259 specs. Identify syntax errors with precise line numbers and character positions. 100% private and secure.
JSON Schema Generator
Auto-generate a draft-07 JSON schema from your JSON input. Essential for API validation, documentation, and contracts.
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. Essential tool for API testers and backend developers.
JSON to YAML Converter
Convert JSON to clean YAML format. Ideal for Docker Compose, Kubernetes manifests, CI/CD pipelines, and config files.
CSV to JSON Converter
Convert CSV to structured JSON array or object. Simple, fast, and free with auto-detection of headers and delimiters.
XML to JSON Converter
Convert legacy XML to modern JSON format accurately. Fast processing for migrating APIs, feeds, and config files.
JSON Web Token (JWT) Decoder
Decode JSON Web Tokens (JWT) to inspect header, payload, and expiry claims. Fully secure, browser-based processing.
JSON Escape/Unescape
Properly escape or unescape JSON strings for use in code and configuration files. Fast and reliable string sanitizer.
CSV to Markdown Table
Convert CSV data into GitHub-flavored Markdown tables. Fast, secure, and preserves formatting for README files.
JSON to Markdown Table
Transform JSON arrays into formatted Markdown tables instantly. Perfect for API documentation and GitHub README files.
Excel to Jira/Confluence
Convert Excel data to Jira and Confluence table markup instantly. Ideal for project managers and documentation.