ApnoAI - India's Own AI ToolsTools
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Free Online JSON Formatter, Beautifier & Validator

Format, minify, validate, and convert JSON to CSV, TypeScript, SQL, and more with advanced tree view and syntax highlighting.

Input JSON

Options

Convert JSON To

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Output will appear here

Features

  • Beautify & Minify
  • Validate JSON
  • Syntax Highlighting
  • Tree View
  • Table View
  • Convert to CSV/YAML/XML
  • Generate TypeScript/SQL
  • JSON Schema Generator
  • Remove Nulls & Sort Keys
  • Flatten JSON
  • Statistics & Analysis
  • Upload & Download
  • History & Line Numbers
  • 100% free & private

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Free JSON Formatter, Beautifier & Validator — Online, No Signup

Format, beautify, minify, validate and convert JSON online with ApnoAI's free JSON formatter. Advanced features include tree view, table view, syntax highlighting, line numbers, JSON schema generation, and one-click conversion to CSV, YAML, XML, TypeScript and SQL. Everything runs 100% in your browser — your data never leaves your device.

Everything you can do with this JSON tool

  • Beautify / pretty print JSON with 2, 4, 8 spaces or tab indentation
  • Minify & compress JSON — remove whitespace for production
  • Validate JSON online with clear syntax error messages and line numbers
  • Tree view — explore nested objects and arrays with collapsible nodes
  • Table view — see JSON arrays as clean, readable tables
  • Sort keys alphabetically & remove null values automatically
  • Flatten JSON — convert deep nesting into flat keys
  • JSON schema generator — instant schema from any sample
  • Statistics & analysis — size, depth, key counts at a glance
  • Copy or download results as JSON or TXT

Convert JSON to anything

  • JSON to CSV — for Excel, Google Sheets and data analysis
  • JSON to YAML — for config files and DevOps pipelines
  • JSON to XML — for legacy systems and SOAP APIs
  • JSON to TypeScript — auto-generate interfaces and types
  • JSON to SQL — CREATE TABLE + INSERT statements instantly
  • JSON to HTML table — ready-to-paste markup for blogs and docs

Why developers choose ApnoAI JSON Formatter

Most online JSON tools upload your data to their servers — risky for API keys, tokens and customer data. ApnoAI processes everything locally in your browser, making it a private, secure JSON formatter and validator. Fast for large files, mobile-friendly, and free with no signup, no limits and no watermarks.

Who uses this JSON tool?

  • Backend developers — debug and pretty print API responses
  • Frontend developers — generate TypeScript types from API JSON
  • Data analysts — convert JSON to CSV or SQL for analysis
  • DevOps engineers — JSON ↔ YAML for configs and pipelines
  • Students — learn JSON syntax with instant validation and tree view
  • QA testers — validate payloads before shipping releases

Frequently Asked Questions

Is this JSON formatter completely free?

Yes — unlimited formatting, validation and conversion, free forever with no signup.

Is my JSON data uploaded to a server?

Never. Parsing happens 100% in your browser — safe for API keys, tokens and private data.

Can I convert JSON to CSV, YAML or XML?

Yes — one-click conversion to CSV, YAML, XML, TypeScript, SQL and HTML tables.

Can it generate TypeScript interfaces from JSON?

Yes — paste any JSON and get ready-to-use TypeScript types instantly.

Does it show JSON syntax errors?

Yes — validation highlights the exact line and problem with a clear message.

What is JSON tree view?

A collapsible explorer for nested objects — perfect for large, deep JSON files.

Can I minify JSON for production use?

Yes — minifier strips all whitespace to shrink payload size.

Can I sort keys or remove null values?

Yes — one-tap toggles for sort keys, remove nulls and flatten JSON.

Does it generate JSON Schema?

Yes — automatic JSON Schema generation from any sample data.

Does it work on mobile phones?

Yes — fully responsive JSON formatter for iPhone and Android.