JSON フォーマッター
JSON の整形、美化、圧縮、検証
What is JSON Formatting?
JSON (JavaScript Object Notation) is a lightweight data interchange format. JSON formatting makes JSON data more readable by adding proper indentation and line breaks. This tool helps you format, minify, and validate JSON data directly in your browser.
使い方
- 1
Paste your JSON
Copy and paste your JSON data into the input field.
- 2
Click Format
Press the Format button to beautify your JSON with proper indentation.
- 3
Copy or Download
Use the Copy button to copy to clipboard, or Download to save as a file.
よくある質問
Is JSON formatting safe?
Yes, all processing happens in your browser. Your data never leaves your device.
What is the maximum JSON size?
The tool can handle JSON files up to your browser's memory limit, typically several megabytes.
Can I minify JSON?
Yes, use the Minify button to remove all whitespace and produce compact JSON.