JSON viewer
Auto-repair JSON Viewer — Format, fix, and explore instantly
Clean messy JSON with automated repairs, visualize the structure side by side, and export tidy payloads without sending data anywhere.
Editor
Interactive JSON Workspace
Paste JSON payloads, auto repair common mistakes, and prettify the output before sharing.
Validated at 01:01:32 PM — keys sorted
JSON Viewer
Search nodes or expand everything to audit nested data.
- description:"Fast, private JSON formatting directly in your browser."
- featuresArray(3)
- statisticsObject
- title:"Secure JSON Viewer"
Formatted JSON
Copy or download the cleaned payload.
{
"title": "Secure JSON Viewer",
"description": "Fast, private JSON formatting directly in your browser.",
"features": [
{
"name": "Pretty Print",
"enabled": true
},
{
"name": "Tree View",
"enabled": true
},
{
"name": "Clipboard",
"enabled": true
}
],
"statistics": {
"requests": 128,
"responseTimeMs": 42.5,
"success": true,
"regions": [
"us-east",
"eu-west",
"ap-south"
],
"lastUpdated": "2025-02-14T10:15:00Z"
}
}Why teams rely on this JSON formatter
Instant repairs
Fix trailing commas, missing quotes, and other common mistakes with a single click before validating.
Side-by-side clarity
Type or paste JSON on the left and audit the tree view plus formatted output on the right in real time.
Secure by design
Everything runs locally so sensitive API payloads, logs, or configs never touch a server.
Export-ready JSON
Download or copy prettified JSON with one click for debugging, documentation, or sharing with teammates.
Frequently asked questions
- Is Secure JSON Viewer safe for sensitive data?
- Yes. Every action happens in your browser, so JSON never leaves your device. It is a secure JSON viewer for private payloads.
- Can I minify or prettify JSON with this tool?
- Absolutely. Use the Format & Validate button to pretty-print JSON or Minify JSON for compact output.
- Does the viewer support large JSON files?
- The tree view is optimized for quick navigation with expand and collapse controls, search, and copy/download actions.
JSON formatting quick guide
- Paste JSON into the editor or start with the included sample payload.
- Use Auto repair JSON to fix missing quotes, trailing commas, or other common errors.
- Click Format & Validate to prettify while sorting keys when needed.
- Explore the JSON tree with search, expand, and collapse controls.
- Copy or download the cleaned JSON for documentation or API testing.
{
"title": "Secure JSON Viewer",
"description": "Fast, private JSON formatting directly in your browser.",
"features": [
{
"name": "Pretty Print",
"enabled": true
},
{
"name": "Tree View",
"enabled": true
},
{
"name": "Clipboard",
"enabled": true
}
],
"statistics": {
"requests": 128,
"responseTimeMs": 42.5,
"success": true,
"regions": [
"us-east",
"eu-west",
"ap-south"
],
"lastUpdated": "2025-02-14T10:15:00Z"
}
}