Skip to main content
HomeJSON Formatter

JSON Formatter

Paste any valid JSON and instantly get a clean, indented, human-readable version. Supports nested objects and arrays of any depth.

100% client-side · no data leaves your browser

How to format JSON online

Pretty-print and beautify a JSON string in seconds.

  1. 1

    Paste your JSON

    Copy your minified or unformatted JSON and paste it into the input area.

  2. 2

    Click Format JSON

    Press the Format JSON button or use Ctrl/Cmd + Enter as a shortcut.

  3. 3

    Copy the result

    The formatted output appears below — use the copy button to put it on your clipboard.