Developer tools

JSON viewer

Explore a collapsible JSON tree, search values, format and minify.

JSON viewer
Esc to restore
On your device. Down to the last digit.

JSON source

Ready to explore

Explore your data

Nothing is uploaded or saved. Supports JSON up to 2 MB, 50,000 values and 128 levels deep.

A clear answer. Here’s how.

Parses strict JSON locally, with a collapsible tree, literal search and source locations for errors. Formatting preserves numeric literals, property order and duplicate keys. Duplicate keys remain visible and are flagged; their paths can be ambiguous. Supports UTF-8 JSON up to 2 MB, 50,000 values and 128 nesting levels. Large collections are paged in the tree.