JSON Formatter
Format JSON into clean, readable indentation locally.
Your input is processed locally in your browser. It is not saved, logged, or sent with analytics.
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Formatted JSON
Enter a value to begin.
What this calculator does
Paste JSON to validate and format it with two spaces, four spaces, or tabs. Processing stays in your browser.
Inputs and what they mean
- JSON
- — text value.
How to use it
- Paste or enter content in the editor.
- Adjust any options for the result you need.
- Copy or download the locally processed output.
Formula
Parses JSON, then serializes it with the selected indentation.
Worked example
Format a compact object
Turn a compact object into readable, indented JSON.
Reading the result
The formatted json appears in the output box and can be copied straight out. Nothing you paste leaves your browser.
Limitations and assumptions
Results depend entirely on the figures you enter and are rounded for display. They are for general information and education, not professional advice.