What is JSON Viewer/Editor?

JSON Viewer/Editor provides an interactive tree view for exploring and editing JSON data. Collapse and expand nested objects, edit values in place, add or remove keys, and search within the structure — perfect for working with complex API responses or configuration files.

How to use

1. Step 1 — Paste JSON data or upload a .json file to load it into the interactive tree view with collapsible nodes.
2. Step 2 — Click any value to edit it inline, use the toolbar to add new keys/items, delete entries, or search for specific paths within the tree.
3. Step 3 — Switch between tree view and raw text mode. Export the modified JSON by copying or downloading the updated file.

Result

You receive a deeply nested 200-line API config and need to change a single setting buried 5 levels deep. Load it in the tree view, use search to find 'timeout', click the value to change it from 30 to 60, and download the updated JSON.

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