JSON Minify Online - Free & Local

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JSON Minify is a free ComTools utility that minify json to a single line. Data is processed locally in your browser; nothing is uploaded.

Free to use
No signup required
Local processing
Data is processed locally in your browser; nothing is uploaded.
Bilingual UI
Chinese and English supported
Developer friendly
Minify JSON to a single line

QIs my data uploaded?

Data is processed locally in your browser; nothing is uploaded.

QIs it free?

Yes, completely free with no usage limits.

QWhich browsers are supported?

Modern browsers: Chrome, Edge, Firefox, Safari.

QHow to report issues?

Use the Messages page for feedback or custom requests.