JSON Tools: Viewer & Formatter

A complete JSON viewer, formatter, editor, validator and converter for iPhone and iPad.

Open JSON files, inspect complex data, format and edit content, validate schemas, compare documents, convert between formats and generate model code from one focused developer tool.

VIEW AND EXPLORE JSON

• Browse JSON using an interactive Tree View
• Inspect arrays using Table View
• Query data with JSONPath
• Search and navigate complex documents
• Work with multiple files using tabs

FORMAT AND EDIT

• Format and prettify JSON
• Minify JSON instantly
• Find and replace
• Syntax highlighting with line numbers
• Open JSON files directly from Files, Mail, Safari and other apps

VALIDATE JSON

• Validate JSON syntax
• Validate documents against JSON Schema
• Generate JSON Schema from existing JSON
• See validation errors while you work

CONVERT JSON

Convert JSON to:

• YAML
• XML
• CSV
• TSV
• TOML
• HTML
• Markdown
• Base64
• TOON

GENERATE CODE

Generate model classes for:

• Swift
• Kotlin
• TypeScript
• C#
• Java
• Python
• Dart

COMPARE JSON

Compare two JSON documents side by side and quickly identify added, removed and changed values, including differences inside nested objects.

BUILT FOR DEVELOPERS

JSON Tools is designed for inspecting API responses, working with configuration files, debugging structured data, validating payloads and converting JSON while away from your desktop.

Your privacy matters. JSON Tools does not collect your data.