How to use JSON Minifier

1. Paste or type JSON in the input area.
2. Click "Minify" to remove whitespace and produce a single-line JSON.
3. Copy or download the minified output.

Example

{
  "key": "value",
  "nested": { "a": 1 }
}

{"key":"value","nested":{"a":1}}

Frequently asked questions

Why minify JSON?

Minified JSON is smaller and faster to transfer; it's often used in APIs and configs.

Is minified JSON still valid?

Yes. Minification only removes unnecessary whitespace; the data is unchanged.

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