JSON Minify - Free Online Tool

Remove extra spaces and newlines from JSON to reduce size. Ideal for API requests and embedding in URLs.

Minify JSON

How to Use This Tool

  1. Paste your formatted JSON into the input box.
  2. Click Minify to produce a single-line JSON string.
  3. Copy the result or clear to start over.

Benefits of Using This Tool

  • Smaller payloads for APIs and storage.
  • Runs in your browser; no data sent to servers.
  • Free with no signup required.

When to Use JSON Minify

  • Shrink JSON before sending in API requests.
  • Embed JSON in query params or HTML attributes.
  • Reduce file size for config or data files.

FAQs

Does minifying change the data?

No. Only whitespace and line breaks are removed. The data structure and values stay the same.

Is my JSON sent to a server?

No. Minification runs entirely in your browser. Your data never leaves your device.