Does it support JSON with comments?

Standard JSON only — comments are not valid in strict JSON and will fail parse.

JSON Prettify / Minify

Developers use JSON everywhere — APIs, configs, and logs. This tool parses your JSON and either expands it with readable indentation or compacts it to one line for production payloads.

JSON Prettify / Minify

Input

Output

How to Use This Tool

Paste JSON.
Prettify for indented output.
Minify for compact one-line JSON.
Invalid JSON shows a clear parse error.

Features

Strict JSON.parse validation
Prettify with 2-space indent
Minify for smaller payloads
No data leaves your device

Frequently Asked Questions

Related Tools

JSON Escape / Unescape / Validate

Escape, unescape, or validate JSON without sending data anywhere.

XML Prettify / Minify

Indent or compress XML with DOM validation.