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JSON Formatter
Format, validate, and minify JSON instantly.
Frequently asked questions
Does my JSON get sent to a server?
No. Formatting and validation happen entirely in your browser — your data never leaves the page.
Can it handle large files?
Yes. The formatter handles JSON files up to 10 MB on Free and 100 MB on Pro without freezing the browser.
Does it show a tree view?
Yes — toggle between formatted text and an interactive collapsible tree view.
Other ways people use JSON Formatter
Popular long-tail searches — each opens a tailored landing page for that use case.
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