Format JSON online with Redsite’s free JSON Formatter & Validator. Paste your data or open a .json file to beautify it with 2-space, 4-space, or tab indentation. Validate JSON syntax, find errors by line and column, and jump directly to the reported location.
Need to fix common JSON mistakes? Auto-Fix can repair single quotes, unquoted keys, trailing commas, comments, and Python-style values. Minify JSON to remove unnecessary whitespace, then copy the result or download it as a .json file.
Work with split or stacked editor layouts and view line, character, byte-size, and minification metrics. JSON is processed locally in your browser, so it isn’t uploaded to Redsite. The tool is free and requires no account.

Features

  • Format and beautify JSON with 2-space, 4-space, or tab indentation

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Additional Project Details

Operating Systems

ChromeOS, Linux, Mac, Windows

Registered

19 hours ago