Free Online JSON Editor and Validator Tool

🔧 Free JSON Editor & Validator

📁 File Operations

📑 Tabs

📋 Templates

🎲 Data Generator

Generate:

Count:

🔍 Search & Replace

Left Panel

Right Panel

Ready Lines: 0 Characters: 0 ✅ Valid JSON

Theme: Dark

🔄 Transform

Query (JMESPath Guide):

Examples: users[*].name, @.filter([?age > `30`]), @.map({name: name, email: email})

✅ Validation

JSON Schema URL:

🎨 Format (Global)

🔍 Compare

📊 Statistics

Panel:

Objects: 0

Arrays: 0

Properties: 0

Max Depth: 0

⚙️ Settings

Theme:

Editor Font Size: 14px

Auto-save Interval (seconds):

❓ Help & Shortcuts

Keyboard Shortcuts

Ctrl+S - Save current tab content
Ctrl+O - Open file
Ctrl+N - New tab
Ctrl+W - Close tab
Ctrl+F - Find (in active editor)
Ctrl+H - Replace (in active editor)
Ctrl+Z - Undo (in active editor)
Ctrl+Y - Redo (in active editor)

Features

Multi-tab editing for both panels
Real-time validation (JSON syntax)
Data visualization (bar, line, pie charts)
Import/Export (JSON, YAML, CSV, Excel)
JSON Schema validation
Data transformation (JMESPath-like queries)
Fake data generation
Document comparison
Theming and font size customization

🧙 Transform Wizard

Operation:

Field Path:

Condition/Value:

🔍 Comparison Results