text tool / text tool
JSON Prettify Tool
Format compact JSON into readable structured output.
Use it when you need readable indentation and quick validation before pasting JSON elsewhere.
Step by step
How to use this converter
- 1
Paste the source text
JSON Prettify Tool runs in the browser, so you can inspect the input before transforming it.
- 2
Choose the cleanup options
Use the available options such as indent width to shape the output.
- 3
Copy the result
Review the transformed text and copy it into your editor, import flow, ticket, or configuration file.
Expected output
You receive clean text output in the browser. A classic utility for debugging and documentation.
Before you convert
Common issues to check
- - invalid JSON is rejected immediately
- - original minified formatting
Not ideal for
- - invalid JSON is rejected immediately
- - original minified formatting
Before you start
You should know the result and the limits before the upload begins.
What stays
- - data structure
What may change
- - original minified formatting
Known limitations
- - invalid JSON is rejected immediately
Typical use cases
- - debugging
- - API docs
- - log inspection
Available options
- - indent width
FAQ
Does this tool upload my text?
No. This tool runs directly in the browser so you can inspect the result instantly without uploading a file.
What is this tool good for?
Pretty-print valid JSON with stable indentation.
Can I export the result?
Yes. You can copy the transformed output right away for use in another app, document, or workflow.