Online JSON Viewer

Expand · Search · Copy paths · Typed colors — read any JSON fast

🔒Processed locally in your browser — never uploaded or stored

No upload, no storage

JSON is processed in memory and never sent to a server.

Share via URL fragment

Share links encode data in the # anchor — never sent to a server.

Remember last edit

Optionally keep your last input locally; clear it with one click.

Why use the JSONfree viewer

Tree View & Collapse

Expand or collapse any level, with expand-all and collapse-all.

Search & Copy Path

Search keys or values, jump to hits, click a node to copy its JSONPath.

Read Large JSON

A lightweight read-only tree stays smooth on big payloads.

Visualize Structure

Strings, numbers, booleans and nulls are color-coded, with node counts.

Runs Locally — No Upload

Parsed entirely in your browser; data never leaves the tab.

FAQ

A JSON viewer parses JSON text into a visual, collapsible tree so you can expand, search and copy paths to understand the data — all locally in your browser.

Paste it on the left; the tree renders on the right. Collapse all to see the top-level shape, then expand the branches you care about and search to locate fields.

No. The viewer is fully client-side; your JSON is parsed locally and never uploaded or stored.