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Home/Tools/JSON Formatter
New

JSON Formatter & Validator

Format, beautify, minify and validate JSON online. Free, instant, runs in your browser.

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Indent:
INPUT
OUTPUT

How to Format and Validate JSON

1

Paste Raw JSON

Paste your raw JSON text or unformatted API payload into the editor.

2

Format or Minify

Click Beautify to indent with clean spacing, or Minify to remove whitespace.

3

Copy or Download

Copy formatted output to your clipboard or download as a .json file.

Why Use SmartConverter for JSON Formatter?

✨

Beautify & Minify

Switch between readable multi-line indentation and ultra-compact single-line payloads.

🚨

Syntax Error Detection

Pinpoints exact line numbers and parse errors when JSON is invalid.

🔒

100% Private (No Logging)

Your API keys, tokens, and payloads are never sent over the network.

📋

Quick Actions

One-click copy to clipboard and clear editor shortcuts.

Frequently Asked Questions

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Transform plain text or notes into a beautifully formatted, shareable PDF.

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