JSONLinter.io Offers 42 Privacy-First JSON Tools With No Server Data Uploads

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A developer has launched JSONLinter.io, a browser-based JSON toolkit that processes all data locally without sending it to any server. The platform includes 42 tools spanning six categories, such as validation, formatting, data conversion, code generation, schema tools, and encoding utilities. It supports conversion to and from formats including CSV, YAML, XML, and SQL, and can generate typed code in languages like TypeScript, Python, Go, and Rust. The tool is built using React 19, TypeScript, Vite, and Tailwind v4, and runs entirely client-side without requiring any signup or installation. An optional AI assistant is available on the validator page, and the project is accessible at jsonlinter.io.

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