WORKS IN YOUR BROWSER
Free. No account needed.JSON Minifier
Validate JSON and remove unnecessary formatting whitespace.
Result
Enter your values. Your result will appear here.
How it works
- Paste valid JSON.
- Run the tool to produce compact JSON.
Example & practical use
Indented JSON → {"name":"Ada","active":true}
What to know
Numbers use JavaScript precision. Duplicate object keys keep the last value. Inputs are limited to 200,000 UTF-16 code units. Text is processed locally.
Are my files or inputs uploaded?
Image and text processing happens in your browser. Your files are not uploaded to our servers.
Found an issue?
We are improving this alpha release. Tell us the tool, your device and the expected result through the contact page. You do not need to share private inputs or original files. Contact