JSON Beautifier

The JSON Beautifier takes minified single-line blobs or inconsistently formatted JSON and rewrites it with clean, uniform indentation and line breaks. It is the fastest way to make an unreadable payload reviewable. As it beautifies, it validates the structure so malformed input is caught right away.

• Expands minified single-line JSON into a readable multi-line layout
• Normalizes inconsistent indentation into a uniform style
• Validates structure and reports the location of any error
• Keeps arrays and nested objects clearly delineated
• Preserves value types, ordering, and Unicode content
• Copy or download the beautified output in one click

1. 1

   Paste minified JSON

   Drop in the single-line or poorly formatted JSON you want to make readable.

2. 2

   Beautify

   The tool re-indents the document into a clean, consistent structure.

3. 3

   Scan the output

   Review the expanded JSON with clear nesting and line breaks.

4. 4

   Reuse it

   Copy the readable version into your editor, docs, or a bug report.

• Making a minified production API response readable during debugging
• Cleaning up JSON pasted from a log line into a single string
• Reformatting third-party JSON that uses erratic spacing
• Preparing a clear, indented snippet for a code review
• Inspecting a compact webhook body before writing tests against it