Debug the Chrome Built-in AI APIs
Like a Pro
The ultimate DevTools extension for inspecting, debugging, and prototyping with Chrome's local Gemini Nano APIs. Monitor tokens, latency, and model status in real-time.
Dashboard
API Capabilities
Prompt API
Direct access to Gemini Nano
Summarizer API
Generate summaries of content
Translator API
Translate text natively
Supercharge your Local AI Workflow
Everything you need to build powerful, resilient applications with built-in AI.
Automatic Performance Tracking
Automatically track time-to-first-token and tokens-per-second for every API call. Visualize latency across different APIs and system states.
API Diagnosis
Instantly diagnose API availability and Origin Trial status. Check DevTools vs Window contexts and find exactly which flags need enabling.
Prompt History
Keep a detailed log of all API interactions. Review past prompts, responses, errors, and easily replay them or copy the generated code.
Model Management
Check the download status of local models, see model sizes, and trigger downloads on demand straight from the DevTools panel.
Mock Responses
Intercept built-in API calls from your application and provide custom mock responses. Perfect for testing UI edge cases and error handling.
Chrome Side Panel
Access the extension quickly from the Chrome Sidebar. See which tabs are using the AI APIs and keep an eye on hardware usage.