YurlieJSON Viewer
Explore JSON as an interactive collapsible tree. Click any node to expand or collapse. Color-coded by value type.
Why Use a JSON Tree Viewer?
Raw JSON text becomes hard to read once it exceeds a few dozen lines. A tree viewer solves this by presenting data as a collapsible hierarchy — you see top-level keys at a glance and drill down only where needed. This is especially useful for debugging API responses, inspecting configuration files, or exploring unfamiliar data structures.
Color-Coded Value Types
Values are color-coded by type for instant recognition:
- Strings — displayed in green with quotes
- Numbers — displayed in blue
- Booleans (
true/false) — displayed in orange - Null — displayed in gray italic
- Objects and Arrays — show key/element count badges
Common Use Cases
API development: Paste a response from Postman, curl, or browser DevTools to quickly inspect the payload structure. Configuration review: Explore complexpackage.json, tsconfig.json, or Terraform state files.Data analysis: Navigate large datasets from databases or data pipelines.