MongoDB Compiler

MongoDB Playground

Snippets Find All Find with Filter Aggregate Data Insert Doc Update Doc Complex Lookup

Dracula Monokai Solarized GitHub

query.mongo

query results (json)

Initializing MongoDB memory engine...

Inspect Collections

Select a collection to view... employees departments projects

Select a collection above to view its contents.

Playground Guide

Environment

This editor runs a simulated MongoDB environment directly in your browser. All queries are parsed and executed natively against an in-memory document database.

NoSQL Engine JSON Output

Database State

• Pre-Loaded: employees, departments, and projects are ready to query.
• Mutations: Insert/Update/Delete actions are automatically saved to memory.
• Reset: Click the Reset button to wipe modifications.

Keyboard Shortcuts

Run Query Ctrl + Enter

Format Code Alt + Shift + F

Trigger Autocomplete Ctrl + Space