Paste or upload your JSON. Format, validate, and minify in one click. Fast, free, no signup.
Press Ctrl + Enter (or ⌘+Enter on Mac) to instantly format your JSON without clicking.
Upload any .json file directly — no size limit for typical JSON files. Drag and drop also works.
The validator checks your JSON as you type and pinpoints the exact location of any syntax error.
Strip all whitespace to get the smallest possible JSON for APIs, configs, and production deployments.