A fast, privacy-first JSON editor for creating, validating, and managing JSON data directly in your browser.
Start EditingEdit JSON objects instantly with live syntax validation and auto-formatting.
Visualize your JSON data in a tree view or switch to raw code mode for advanced editing.
Detect errors and inconsistencies in your JSON immediately with built-in validation.
All JSON data stays in your browser. Nothing is uploaded or stored remotely.
Edit and preview JSON on desktops, tablets, or phones with a responsive design.
Save your JSON files locally or import external JSON to edit without leaving your browser.
Create, validate, and manage JSON data securely and efficiently. No signup required.
Open JSONEditor