JSON Stringify Viewer

Parse JSON and re serialize it exactly the way JSON.stringify would, with full control over the output. Pick a two space, four space or tab indent to pretty print, choose zero for compact single line output, or switch to string mode to get the whole document as one escaped JSON string value that you can paste directly into source code as a literal. This is handy when you need to embed a JSON payload inside another JSON field, a config value or a test fixture and you want the quotes and newlines escaped correctly. The tool validates your input first, so malformed JSON is reported clearly rather than producing garbage. Paste your JSON, choose a mode, click run, and copy the result. Everything runs locally in your browser, so the data you format never leaves your machine or gets logged.