Dev / ITpopular

JSON Formatter

Format messy JSON into readable, indented output. Validate JSON syntax with clear error messages. Minify JSON for production use. Supports large JSON files — all client-side.

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tool component coming soon

how to use

  1. 1.Paste or type your JSON into the input field
  2. 2.Click Format to beautify with proper indentation
  3. 3.Use Validate to check for syntax errors
  4. 4.Click Minify to compress JSON for production

frequently asked

What is the maximum JSON size supported?

The tool handles JSON up to several MB in size. Very large files may slow down your browser.

Does it support JSON with comments (JSONC)?

Standard JSON does not allow comments. The validator will flag comments as errors per the JSON spec.