BBuildQuill
Developer Tools

JSON to One Line

Compress formatted JSON to a single line. Remove all whitespace and indentation while keeping valid JSON.

How to use the JSON to One Line

1

Paste formatted JSON

Copy your pretty-printed or multi-line JSON and paste it into the input area.

2

Click Convert

Click the Convert button to compress the JSON to a single line.

3

Copy the result

Click Copy to save the one-line JSON to your clipboard.

About the JSON to One Line Tool

Compress formatted JSON to a single line. Remove all whitespace and indentation while keeping valid JSON. This free online json to one line from BuildQuill runs entirely in your browser. No data is sent to any server, keeping your information private. No signup or installation needed.

  • Free to use with no account required
  • Works in all modern browsers
  • All processing happens locally in your browser
  • Part of BuildQuill's developer tools collection

Frequently Asked Questions

What does JSON to One Line do?
It removes all whitespace, indentation, and line breaks from formatted JSON, compressing it into a single line. This is useful for logging, configuration strings, and API payloads.
Is this the same as JSON minification?
Yes, it produces the same result as JSON.stringify without indentation. It is valid, parseable JSON with no extra whitespace.
Will this change the JSON data?
No. Only formatting is removed. All keys, values, arrays, and data types remain identical to the original.

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