JSON minifier
This tool parses JSON for validity and emits its compact canonical representation. The complete operation runs in temporary browser memory, so the input is never uploaded or stored by LocalKit.
The input stays available if you need to adjust a setting.
How to use json minifier
- 1
Add the source values or files shown in the workbench.
- 2
Choose the settings for json minifier.
- 3
Run the tool, inspect the local result, then copy or download it.
A realistic example
Shrink a readable JSON fixture to one line before embedding it in a data attribute. The source and generated result remain in this browser tab throughout the operation.
Supported formats and limits
Input: valid JSON. Output: minified JSON.
- Whitespace inside string values is preserved and object key order is not semantically guaranteed.
- Available memory and browser limits still apply to very large inputs.
Questions people ask
What does json minifier change?
This tool parses JSON for validity and emits its compact canonical representation.
Is any input sent to a server?
No. LocalKit performs this operation in your current browser tab.