All JSON tools
26 free, browser-only JSON tools. Search by name, keyword, or category.
Validators & Formatters
— Check JSON syntax, clean up messy input, and reshape documents without losing data.
Validator & Formatter
Catch syntax errors instantly and format JSON in one click.
Beautifier
Pretty-print minified JSON with the indentation you prefer.
Minifier
Shrink JSON payloads to save bandwidth and storage.
Diff
Spot every difference between two JSON documents in seconds.
Tree Viewer
Navigate large JSON files visually without scrolling forever.
Sorter
Make JSON deterministic by sorting keys at every depth.
Size Analyzer
Find the keys that bloat your API responses.
Escape
Safely embed JSON inside HTML, attributes, or other strings.
Schema & Query
— Enforce contracts with JSON Schema, query documents with JSONPath, and inspect tokens.
Converters
— Move data between JSON and CSV, YAML, XML, SQL, Excel and other formats your tools expect.
JSON → CSV
Turn a JSON array into a spreadsheet-friendly CSV.
CSV → JSON
Turn a spreadsheet back into JSON for your API or script.
JSON → YAML
Clean YAML output for Kubernetes, Ansible, and CI tools.
YAML → JSON
Turn YAML configs back into JSON for tools that need it.
JSON → XML
Bridge modern JSON APIs and legacy XML systems.
XML → JSON
Migrate legacy XML APIs to modern JSON without writing code.
JSON → SQL
Bulk-load JSON data into a SQL database in seconds.
SQL → JSON
Turn SQL INSERT statements back into JSON for APIs.
JSON → Excel
Export JSON directly to a real .xlsx file, no Excel required.
Code Generators
— Turn sample JSON into typed classes for TypeScript, Java, Python, C# and Go.
JSON → TypeScript
Stop hand-writing TypeScript interfaces for API responses.
JSON → Java
Skip the boilerplate of mapping JSON to Java classes by hand.
JSON → Python
Generate typed Python classes from any JSON payload.
JSON → C#
Generate C# records or classes for any JSON payload.
JSON → Go
Skip the boilerplate of writing Go struct tags by hand.