免费在线 JSON 格式化与校验工具
将凌乱紧凑的 JSON 数据转化为清晰易读的规范格式。准确定位语法错误所在行和列。
Three simple steps to process your files
Input Raw JSON
Paste your unformatted JSON text, load a sample dataset, or type directly into the code workspace.
Format, Minify or Validate
Choose Beautify to apply indentations (2 spaces, 4 spaces, or tabs), Minify to eliminate spaces, or Validate to test syntax.
Copy or Save
Quickly copy the clean JSON string to your clipboard or download it as a standard .json file.
Engineered for speed, fidelity & security
Precise Error Locator
Immediately pinpoint syntax errors with exact line and column numbers for fast debugging.
Interactive Tree View
Collapse and expand deeply nested JSON arrays and object hierarchies with an intuitive graphical explorer.
Multiple Indent Configurations
Switch between 2-space, 4-space, or tab indentation to match your team's code style guidelines.
Safe Client-Side Execution
Never uses unsafe eval(). Protected against Cross-Site Scripting (XSS) and code injection.
One-Click Minification
Strip all whitespaces and line breaks to minimize payload size for production API payloads.
Instant Clipboard Copy
Copy formatted or minified output in a single keystroke for seamless developer workflow.