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JSON Formatter

Built by IteraTrail • 100% Free & Private

Processed instantly in your browserNo account requiredYour data stays privateFast & lightweight processingReal-time output

API Testing JSON Tool: Format Strings in Milliseconds

Save time during testing cycles. Quickly format the messy output from Postman or cURL into a readable format so you can verify your API responses instantly.

Start using the JSON Formatter below

Initializing json formatter...

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Key Benefits

Instant formatting with no page reloads
Keyboard shortcuts for pro workflows
Clean output ready for documentation

How to Use

1
Paste your API response into the formatter.
2
Hit 'Format' or use the auto-format feature.
3
Paste the clean JSON directly into your Jira or Slack.

Frequently Asked Questions

? Can it format cURL responses?

Yes, just paste the JSON body from any cURL output.

? Is there a shortcut for formatting?

Yes, use Ctrl/Cmd + Shift + F for instant pretty-printing.

? Does it support deep nesting?

Yes, it handles objects nested up to any depth without crashing.