Toolora

JSON Formatter

Browser-based

Paste JSON to format it with proper indentation, minify it for production, or validate it to catch errors with helpful line-number hints.

About JSON Formatter

A daily companion for working with JSON. Beautify messy responses with proper indentation, minify JSON for storage or transport, and validate it to catch syntax errors with clear line-number hints. The tool handles files of several megabytes entirely in your browser, so there is no limit on pasting large payloads.

How to use

  1. 1

    Paste your JSON into the input box.

  2. 2

    Click "Format" to beautify or "Minify" to compact it.

  3. 3

    If there are errors, they will be highlighted with line numbers.

  4. 4

    Copy or download the result.

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