JSON Viewer – View & Explore JSON Online

JSONViewerTool provides a fast, browser-based JSON Viewer that allows developers to visualize JSON data instantly in both tree and code views.

It runs 100% client-side, ensuring privacy and performance for developers working with APIs and structured data.

👉 Try JSON Viewer: https://jsonviewertool.com/

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Key Features

• 🌳 Tree view for easy navigation

• 🧾 Code view with syntax highlighting

• 🔍 Expand / collapse nodes

• 📋 Copy formatted JSON

• ⚡ Instant rendering (no server calls)

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How to Use JSON Viewer

1. Paste JSON into the editor

2. Instantly view it in tree + code mode

3. Expand nested objects

4. Copy or download formatted JSON

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Use Cases

• Debug API responses

• Explore large JSON payloads

• Understand nested data structures

• Share readable JSON with teammates

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FAQ

Is JSON Viewer free? Yes, completely free.

Is my JSON uploaded anywhere? No. Everything runs in your browser.