Welcome to JSONPeek

JSON Viewer & Formatter for developers.

Format Pages

Detect and format JSON API responses directly in your browser with one click.

Tree View

Explore JSON with a collapsible tree, syntax highlighting, and path copying.

Search

Search through keys and values. Matching nodes auto-expand for quick navigation.

Paste & Format

Paste any JSON string and instantly format, validate, and explore it.

Click the JSONPeek icon in your toolbar to get started.