Creative & Digital

JSON Formatter

Validate JSON and format or minify it. Original number tokens, duplicate keys and order are retained; syntax validity does not validate an application schema.

Operation

Up to 20,000 UTF-16 code units; vertical grids up to 1,000 graphemes. Audio up to 120 seconds; JSON nesting up to 100.

Input and output stay in page memory. Reload clears them; sharing contains neither.

Results

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Method and common questions

Scope and method

Validate JSON and format or minify it. Original number tokens, duplicate keys and order are retained; syntax validity does not validate an application schema.

Limits and privacy

Up to 20,000 UTF-16 code units; vertical grids up to 1,000 graphemes. Audio up to 120 seconds; JSON nesting up to 100.

Input and output stay in page memory. Reload clears them; sharing contains neither.

Method

Validate JSON and format or minify it. Original number tokens, duplicate keys and order are retained; syntax validity does not validate an application schema.

Last checked: 2026-10-26

FAQ

What stays unchanged?
The original input stays available. Review the result before using it; some modes intentionally alter spacing, case or appearance.
Is text sent or saved?
Input and output stay in page memory. Reload clears them; sharing contains neither.
Tool options

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https://hkdatalab.com/en

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