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JSON Tools

APIs and config files still speak JSON, and half the time it arrives as one unreadable line. This category covers pretty-printing, validation, schema checks, diffs, and conversions to CSV, XML, YAML, and TypeScript. Start with the JSON Formatter when you just need to see the structure; reach for converters when the next system wants a different shape.

14 free tools · Browse all tools

All JSON Tools

JSON Formatter & Validator

Beautify, minify, and validate JSON instantly in your browser.

JSON to CSV Converter

Convert a JSON array of objects into downloadable CSV.

CSV to JSON Converter

Convert CSV with headers into a JSON array of objects.

JSON to TypeScript Interface

Generate TypeScript interfaces from JSON samples.

JSON / API Response Viewer

Fetch or paste API JSON and inspect a pretty-printed response.

JSON ↔ XML Converter

Convert between JSON and XML in either direction.

JSON ↔ YAML Converter

Convert JSON to YAML, YAML to JSON, and format YAML documents.

JSON Diff Checker

Compare two JSON documents and list added, removed, and changed paths.

JSON Schema Validator

Validate a JSON document against a JSON Schema with common Draft-like rules.

JSON Validator

Validate JSON syntax instantly and see clear parse errors.

JSON Minifier

Minify JSON by removing whitespace for compact payloads.

JSON Beautifier

Pretty-print JSON with indentation for readable debugging.

JSON Path Tester

Test simple JSONPath-style queries against JSON documents.

JSON Schema Generator

Generate a draft JSON Schema from a sample JSON object.

Frequently asked questions

APIs and config files still speak JSON, and half the time it arrives as one unreadable line. This category covers pretty-printing, validation, schema checks, diffs, and conversions to CSV, XML, YAML, and TypeScript. Start with the JSON Formatter when you just need to see the structure; reach for converters when the next system wants a different shape.

Yes. Every tool in JSON Tools is free to use with no account required.

No. Tools run locally in your browser so inputs stay on your device.

14 tools are available in JSON Tools, including JSON Formatter, JSON to CSV, CSV to JSON.

Yes. Pages are responsive. Desktop browsers are usually more comfortable for large payloads.

Start with the JSON Formatter for beautify/minify/validate. Use converters when the next system needs CSV, XML, YAML, or TypeScript.

Popular tools

JSON Formatter & Validator

Beautify, minify, and validate JSON instantly in your browser.

Generator Tools

Lorem Ipsum Generator

Generate placeholder paragraphs, sentences, or words for mockups.

URL Encoder / Decoder

Encode and decode URL components with real-time conversion.

Crypto & Security Tools

UUID Generator

Generate RFC-compliant UUID v4 identifiers for apps and databases.

Recently added

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to plain text.

Crypto & Security Tools

Hash Generator

Generate MD5, SHA-1, and SHA-256 hashes from any text input.

Word Counter

Count words, characters, sentences, paragraphs, and reading time instantly.

Case Converter

Convert text to UPPER, lower, Title Case, camelCase, snake_case, and more.