Free Online JSON Viewer
Format, validate, and view your JSON data instantly in your browser.
About JSON Viewer
The JSON Viewer is a free online utility that lets you instantly format, validate, and analyze your raw JSON data with rich syntax highlighting. It automatically indents the code and colors keys, strings, numbers, and booleans, making nested objects easily readable. If you are working with frontend logic, you might also find our JavaScript Viewer highly useful.
Why Use a JSON Viewer?
- Readability: Instantly formats cluttered or minified JSON into structured objects.
- Validation: Acts as a validator to quickly identify syntax errors like missing brackets or trailing commas.
- Efficiency: Make sense of dense API payload responses immediately.
How to use?
- Paste or type your unformatted JSON into the Input JSON Data box.
- Click the Format JSON button.
- The pretty-printed, highlighted code will appear in the Formatted Output box.
- Use the Copy JSON button to copy the beautifully formatted code to your clipboard.
Key Features
- Auto-Formatting: Pretty-prints your JSON data instantly without page reloads.
- Privacy Protected: All processing is done in your browser; no data is sent to any server.
- Real-Time Updates: Watch your code highlight automatically as you type.
Frequently Asked Questions
Is this tool free to use?
Yes, this JSON Viewer is completely free for both personal and commercial use.
Does this tool store my code?
No. The tool runs entirely on the client-side (in your browser), so your JSON data is never stored or transmitted.
Why use a JSON Viewer?
Raw, minified JSON returned from APIs or logs can be incredibly difficult to read. A JSON Viewer automatically formats (pretty-prints) and highlights the syntax so humans can easily navigate and understand the data structure.
Need more coding utilities? Check out our Developer Tools.