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JSON Editor

Edit JSON as text and validate the result.

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Maximum 100,000 characters. Input is processed for this result; do not paste secrets or sensitive personal data.

Edit JSON as text here, then validate and format it. This is not a visual tree editor.

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How to use this tool

Edit JSON in the input field, then select Process data to check and format your changes.

Important to know

Edit JSON as text and validate the result.

This is a text editor, not a visual tree editor. It does not save your document or change a remote file.

Formula and methodology

The edited text is parsed and pretty-printed only if it is valid JSON.

Frequently asked questions

Can this edit a file on my computer?

No. It works with text pasted into the page; copy the result back to your file.