Skip to main content
Screen Answerer Hero

Get answers to quiz questions instantly

Screen Answerer is an AI-powered application that helps you find answers to quiz questions in real-time. Using Google Gemini AI, it can automatically detect questions from your screen or process text and image-based questions you submit directly.

Quick start

Get up and running in under 5 minutes

Installation

Install and configure Screen Answerer locally

API reference

Explore the API endpoints and integration options

Configuration

Customize models, themes, and advanced settings

Key features

Real-time screen monitoring

Automatically detect quiz questions from your screen capture and get instant answers

Multiple input methods

Submit questions via text or image upload for flexible usage

Multiple AI models

Choose between Gemini 2.0 Flash and Flash Lite for speed vs accuracy

Answer history

Track all processed questions with automatic history management

Dark and light themes

Switch between themes for comfortable use in any environment

Privacy-first

Your API key is stored locally and never sent to our servers

How it works

1

Set up your API key

Get a free Google Gemini API key and configure it in the application settings. Your key is stored securely in your browser’s local storage.
2

Choose your input method

Either enable real-time screen monitoring to automatically detect questions, or submit questions directly via text or image upload.
3

Get instant answers

Screen Answerer processes your question using Google Gemini AI and displays the answer immediately, with support for formatted markdown responses.
Screen Answerer uses the Google Gemini API, which requires a free API key. The application runs entirely on your local machine and uses your own API quota.

Use cases

Educational support Help students understand quiz questions and learn correct answers with AI-powered explanations. Practice and review Quickly check answers while practicing for exams or reviewing study materials. Accessibility Provide instant assistance for users who need help understanding quiz questions in real-time.

Technology stack

  • Backend: Node.js with Express server
  • Frontend: HTML, CSS, and vanilla JavaScript
  • AI: Google Gemini 2.0 Flash and Flash Lite models
  • Security: Helmet.js middleware and rate limiting
  • File handling: Multer for image uploads
Screen Answerer is designed as a local-first application. All processing happens on your machine using your own Gemini API key.

Next steps

Quick start guide

Answer your first quiz question in minutes

Installation guide

Complete installation and setup instructions

Build docs developers (and LLMs) love