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JSON Formatter
Select or drop your file
Files never leave your deviceMax size: 100MB
Frequently Asked Questions
Is JSON formatting with PDFPilot really free?
Yes. JSON Formatter is completely free to use, with no sign-up or account required.
Are my files uploaded to a server?
No. The formatting runs entirely in your browser using JSON.parse and JSON.stringify. Your file is never uploaded to PDFPilot's servers.
Does this also validate my JSON?
Yes — formatting requires a successful parse first, so malformed JSON produces a clear error instead of a broken result. Use JSON Validator if you just want a validity check without downloading a formatted file.
What indentation does the output use?
2 spaces per nesting level, a common convention for readable JSON.
Does formatting change my data in any way?
No — only whitespace changes. Keys, values, and their order are preserved exactly as parsed.
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