FREE · DEVELOPER TOOLS
JSON Minifier.
Validate JSON and remove optional formatting whitespace.
How to use JSON Minifier
Enter or choose the required input, adjust the settings, then generate and review the result. An indented object becomes a compact one-line object.
How it works
Validate JSON and remove optional formatting whitespace. 200,000 characters. JSON parsing can change numeric precision for large integers. Inputs stay on your device. Review the preview or output before using it; refresh the page to clear the current working session.
Example
An indented object becomes a compact one-line object.
Questions about JSON Minifier
Is JSON Minifier free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
200,000 characters. JSON parsing can change numeric precision for large integers. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.