⚡
SmartDevTools by SmarTech Apps
File
Editor
Advertisement 468 × 60
Tools
Samples & Export
Find
Replace
⚠ Issues Detected ⚡ Click Auto-Fix to repair
JSON Input
Waiting for input… Ln 1, Col 1
0
1
2
3
4
5
6
7+
{ }
No JSON yet
Paste JSON in the left panel to see
the structured view here
Output Viewer View: Tree
JSON Validation Report
Convert JSON
Fetch JSON from URL
Enter a public JSON API URL and click Fetch.
JSON Stats
Key Size Analyzer
JSON Schema
Generate Schema Validate against Schema
Mock Data Generator
Generate row(s) matching the current JSON shape
Click Generate to produce mock data.
Recent JSON History
JSON Compare
Line by line Summary
JSON A original · from the editor
JSON B changed · paste here
Paste JSON into both panels above — the comparison runs automatically.

JSON Tools

Select a tool, then press “Run selected tool”. Your result appears in the editor without leaving this page.