JSON Viewer

View and explore JSON data with an interactive collapsible tree. Upload a file, ...

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Updated

Drag & Drop or Click to Upload

Supports .json files

Or Paste JSON Text

Or Load from URL

JSON Viewer Features

Everything you need to explore JSON

Collapsible tree view
Search keys & values
Copy JSON paths
Syntax-highlighted raw view
Expand to depth N
Format & minify
Load from URL
Drag & drop upload
Stats panel
Fullscreen mode
Download JSON
100% client-side

Why Use JSON Viewer?

Interactive Tree View

Navigate nested JSON with a collapsible tree. Expand and collapse any node, see item counts, and drill into deeply nested structures effortlessly.

Instant Search & Filter

Search by key name or value across the entire JSON. Matches are highlighted and parent paths auto-expand so you find what you need immediately.

Copy JSON Paths

Click any key to copy its full JSON path (e.g. data.users[0].name) to your clipboard. Perfect for API development and debugging.

Handles Large Files

Virtualized rendering ensures smooth performance even with multi-megabyte JSON files. Only visible nodes are rendered for instant response.

Common Use Cases

How developers use the JSON Viewer

API Debugging

Paste API responses to explore nested data structures. Copy JSON paths for use in your code or Postman queries.

Database Inspection

View exported database records in a readable tree. Search for specific fields across thousands of entries.

Config File Review

Open complex configuration files and navigate deeply nested settings without losing your place.

Log Analysis

Load structured JSON logs to find specific events, errors, or values buried in large log files.

How It Works

1

Load Your JSON

Drag and drop a .json file, paste JSON text, load from a URL, or try the built-in sample data.

2

Explore the Tree

Navigate the interactive tree view. Click nodes to expand or collapse. See object key counts and array lengths at a glance.

3

Search & Copy Paths

Use the search bar to find keys or values. Click any key to copy its JSON path to the clipboard for use in your code.

4

Format & Download

Switch to raw view for syntax-highlighted JSON. Format with indentation or minify. Download the result as a .json file.

Pro Tips for JSON Viewing

Use Depth Controls

Click depth buttons (1, 2, 3, All) to expand the tree to a specific level. Start shallow and drill deeper as needed.

Click Keys to Copy Paths

Click any key name to instantly copy its full JSON path. Great for building API queries or referencing nested values in code.

Search Narrows the View

Searching auto-expands only matching paths, effectively filtering the tree. This is the fastest way to find data in large files.

Go Fullscreen for Large Files

Use the fullscreen button to maximize the viewer. Especially useful when working with deeply nested or wide JSON structures.

Frequently Asked Questions

Drag and drop your .json file onto the upload area, or click to browse. You can also paste raw JSON text or enter a URL that returns JSON. The viewer instantly parses and displays it as an interactive tree.
Yes. Type in the search bar to find any key name or value. All matches are highlighted in the tree, parent nodes auto-expand, and a match count is shown. Press Escape to clear the search.
Click on any key name in the tree view. The full JSON path (like data.users[0].name) is copied to your clipboard with a confirmation toast. This is useful for API queries and code references.
Tree view shows an interactive, collapsible hierarchy where you can expand/collapse nodes. Raw view shows the full JSON as syntax-highlighted, formatted text that you can copy directly.
Yes. Use the Format button to pretty-print with 2-space indentation, or the Minify button to remove all whitespace. Both operate on the loaded JSON and update the view instantly.
The viewer handles files up to several megabytes smoothly thanks to virtualized rendering. Only the visible portion of the tree is rendered, so even deeply nested structures with thousands of keys remain responsive.
Completely. All processing happens in your browser using client-side JavaScript. Your data is never uploaded to any server. Close the tab and it's gone.
The viewer shows a clear error message with the position (line and column) where parsing failed, along with the specific error. This helps you quickly locate and fix syntax issues.
Yes. Enter any URL that returns JSON in the URL input field and click Load. The viewer fetches the data and displays it. Note that the target server must allow cross-origin requests (CORS).
The stats bar displays total keys, number of objects, number of arrays, maximum nesting depth, and the data size. This gives you a quick overview of the JSON structure.

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