JSON Tools
Format, validate, minify and transform JSON data with free online developer tools.
Tools
Explore all available json tools.
JSON Formatter
Format, beautify and validate JSON.
JSON Validator
Validate JSON syntax and detect errors.
JSON Minifier
Compress and minify JSON data.
JSON to YAML
Convert JSON into YAML format.
JSON Diff
Compare two JSON documents.
JSON Schema Validator
Validate JSON against schemas.
JSON to TypeScript Interface
Generate TypeScript interfaces from JSON.
JSON to C# Class
Generate C# classes from JSON.
JSON to Go Struct
Generate Go structs from JSON.
JSON to Python Dataclass
Generate Python dataclasses from JSON.
JSON Sort Keys
Sort JSON object keys alphabetically.
JSON Escape / Unescape
Escape and unescape JSON strings.
JSONPath Tester
Test JSONPath expressions against JSON.
JSON Tree Viewer
Visualize JSON in a tree structure.
JSON Table Viewer
Convert JSON arrays into tables.
JSON Merge Tool
Merge multiple JSON documents.
JSON Split Tool
Split large JSON files.
JSON Flattener
Flatten nested JSON.
JSON Unflattener
Restore nested JSON.
JSON Field Extractor
Extract fields from JSON.
JSON Field Renamer
Rename JSON field names.
JSON Value Replacer
Replace values in JSON.
JSON Key Counter
Count JSON keys.
JSON to XML
Convert JSON to XML.
JSON to CSV
Convert JSON to CSV.
JSON Template Generator
Generate JSON templates.
JSON Lines Validator
Validate JSON Lines files.
JSON Lines Formatter
Format JSON Lines files.
NDJSON Viewer
View NDJSON files.
NDJSON to JSON
Convert NDJSON to JSON.
Fake JSON Generator
Generate sample JSON data.
JSON Structure Compare
Compare JSON structures.
JSON Pointer Tester
Test JSON Pointer expressions.
JSON Merge Patch Builder
Build JSON Merge Patch documents.
JSON Patch Builder
Generate JSON Patch operations.
About JSON Tools
JSON tools help developers format, validate, debug and transform JSON data directly in the browser.
These tools are designed for developers, engineers and technical users who need fast, reliable and privacy-friendly utilities.
FAQ
Are JSON tools free to use?
Yes, all JSON tools are completely free and work directly in your browser.
Is my JSON data uploaded?
No. All processing happens locally in your browser for maximum privacy.
Can I use JSON tools offline?
Most tools continue working offline after the page is loaded.