Developer Utility
JSON Unminifier Tool
Expand minified JSON into readable, indented JSON.
Language: JSONUtility: UnminifyUtility: Format
{ "api": { "baseUrl": "https://api.example.com", "timeout": 5000 }, "features": [ "search", "alerts" ] }
What This Tool Does
Expand dense minified JSON into a readable structure for debugging and editing.
Use it to inspect or transform input quickly, then carry validated output into code, tests, or API requests.
Common Use Cases
- Inspect minified API payloads copied from logs.
- Convert compact fixture files into reviewable JSON.
- Reformat one-line config blobs before editing values.
Common Pitfalls
- Invalid JSON cannot be unminified reliably.
- Pretty output does not validate schema/business rules.
FAQ
Does this preserve JSON key order?
Yes, key order from the input payload is preserved.
Can I use this after minifying JSON?
Yes, valid minified JSON can be expanded back into readable form.
Does this tool send data to a backend?
Most tools process input client-side in your browser unless explicitly noted.