Configurable indentation
Two, four, or eight spaces — plus minified output for shipping.
Dev Workbench
Drop in a payload. Get JSON you can actually read. →
Beautify or minify with configurable indentation and instant validation.
#json#format#apiFree · Unlimited
Beautify or minify a payload
<1sInstant format
2–8Indent options
0Payloads stored
Why it works
Configurable indentation built in
Instant validation
Syntax errors surface the moment you hit run, not at deploy time.
Copy-ready output
Formatted and minified results both copy in one click.
Where it pays off
Made for real workflows
API debugging
Read raw response bodies without opening a full client.
Config review
Make JSON configs legible before committing.
Test fixtures
Generate clean fixtures for unit tests and mocks.
FAQ
Quick answers
Is my data stored?
No. Payloads are processed in-memory and never persisted.
Does it handle nested payloads?
Yes, at any depth — indentation is applied recursively.
Every tool is free, forever.
JSON Formatter runs with no account, no credit card, and no usage limits — just open the workspace and go.