About JSON Viewer

JSON Viewer is a free online tool. Free online JSON viewer and validator. Paste JSON to format, validate, minify and explore it as a tree. Runs in your browser; your data is never uploaded.

The site is run by Bytesshop Labs. The aim is simple: a fast, clear tool that does one job well, with no sign-up required.

The site is supported by advertising. Ads are clearly labelled and kept away from the tool itself. See the Privacy Policy and Cookie Policy for how data is handled.

Found a bug or have a suggestion? Get in touch.