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Quokka.js

Quokka.js is an in-editor playground for JavaScript and TypeScript that provides instant feedback on your code as you type.

Free tierPrice verified 2026-09-30Visit site ↗
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Our verdict

Who it's for

Run JavaScript and TypeScript with instant feedback directly in your code editor.

Who should look elsewhere

Advanced features are locked behind the Pro (commercial) edition.

Pros

  • +Instant feedback and real-time execution in the editor.
  • +Reduces context switching by integrating with popular IDEs.
  • +Powerful debugging and exploration features (Time Machine, Value Graphs).
  • +Free Community edition available.
  • +No configuration required for basic use.

Cons

  • −Advanced features are locked behind the Pro (commercial) edition.
  • −May have a learning curve for some advanced features.

Key features

  • ✓Live Execution and Results
  • ✓Live Coverage Indicators
  • ✓Snaps (context-aware code snippets)
  • ✓Interactive Runtime Value Graphs
  • ✓Logpoints
  • ✓Time Machine
  • ✓Interactive Timeline
  • ✓Codeclip Share feature

Pricing

PlanPriceBillingNotes
Community Free Edition—monthLive Code Execution and Results; Time Machine; Live Code Coverage
Personal Pro—monthLive Code Execution and Results; Time Machine; Live Code Coverage
Company Pro—monthLive Code Execution and Results; Time Machine; Live Code Coverage
Enterprise Pro—monthLive Code Execution and Results; Time Machine; Live Code Coverage

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