JSON Property Byte Breakdown

How to use this tool

1. Paste the input using the example format.
2. Adjust options and run the tool.
3. Inspect and copy or download the result.

Try this example

{"a":"abc","b":12}

Accuracy and scope

Sizes cover individual serialized values, not keys, commas or the complete document.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.