The Ultimate JSON Toolkit

A free suite of online tools to validate, format, compare, repair, and convert any JSON. Built for developers, by developers.

JSON Formatter

Beautify your JSON with proper indentation for readability.

JSON Validator

Check your JSON syntax against standard rules to find errors.

JSON Repair Tool

Automatically fix common syntax errors in broken JSON.

JSON Linter

Strict syntax linting for compliance and best practices.

JSON Diff Tool

Compare two JSON files and highlight the differences.

JSON Viewer

View and browse your JSON with line numbers and syntax highlighting.

JSON Minifier

Compress JSON by removing whitespace to reduce file size.

JSON to XML

Convert your JSON data into XML format.

JSON to YAML

Convert your JSON data into readable YAML format.

JSON to CSV

Convert an array of JSON objects into CSV format.

XML to JSON

Convert your XML data into JSON format.

YAML to JSON

Convert your YAML data into JSON format.

CSV to JSON

Convert your CSV data into an array of JSON objects.

JSON Schema Validator

Validate JSON data against a defined schema.

JSON Merge Tool

Combine two or more JSON objects into a single one.

JSON Path Evaluator

Query and extract data from JSON using path expressions.

JSON Schema Generator

Generate a JSON Schema from a sample JSON object.

JSON Cleaner

Remove nulls, empty values, or unwanted keys from JSON.

JSON Flattener

Flatten deeply nested JSON objects into a single level.

JSON Unflattener

Convert flattened key:value pairs back to nested JSON.

Random JSON Generator

Generate random JSON structures for testing.

JSON Escape / Unescape

Escape or unescape strings for safe JSON embedding.

JSON to Base64

Encode JSON to Base64 or decode it back.

JWT Decoder

Decode JSON Web Tokens to inspect their headers and payloads.

JSON Sorter

Sort the keys of your JSON object alphabetically.

JSON Timestamp Converter

Convert Unix timestamps in JSON to readable dates.