JSONfmt

JSONfmt

Private in-browser JSON formatter

JSONfmt is a free JSON formatter, validator and diff tool that runs entirely in your browser: paste or drop a file to prettify, minify and validate with precise error positions, or compare two documents side by side. No accounts, no uploads, private by design.

Technology · Development · Web development

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chenzefeng09

Built JSONfmt because every online formatter I tried either phoned home or pushed a signup wall. Everything here runs locally in the tab.

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