/›json-formatter›json-minifier

JSON Minifier: Compress JSON Online

Minifying JSON strips every space and newline, which shrinks payloads for config values, environment variables and API request bodies. Invalid JSON is flagged rather than silently mangled.

Runs in your browser — your text is never uploaded or stored.

Formatted JSON

Minified JSON

{"id":1,"name":"Ada","active":true}

How to Use

1.Paste your formatted JSON.
2.Copy the single-line minified output.
3.Paste it into your env var, config field or request body.

FAQ

How much smaller will it be?

Indented JSON is typically 20–40% larger than its minified form, depending on nesting depth.

Does minifying change the data?

No. Only whitespace between tokens is removed; keys, values and order are untouched.

Need more options?

JSON Formatter

Free online JSON formatter and validator. Pretty-print, minify and validate JSON with clear error messages — 100% in your browser.

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