Ace Your
Developer Interview
Practice frontend, JavaScript, React, TypeScript, Next.js, and web performance interview questions — generated fresh by AI, works offline, tracks your progress.
Everything you need to prepare
A complete interview practice toolkit in one installable app.
AI-Generated Questions
Fresh questions generated by Groq's Llama models on demand. Falls back to curated questions if limits are reached.
Works Offline
Install as a PWA and quiz yourself anywhere — even without internet. Results sync automatically when back online.
Progress Tracking
Dashboard shows your average score, best category, weakest area, and full quiz history.
Timed Questions
Each question has a countdown timer to simulate real interview pressure and sharpen your recall speed.
7 Categories
JavaScript, TypeScript, React, Next.js, CSS, Web Performance, and System Design — all at Easy, Medium, or Hard.
Instant Explanations
See a detailed explanation after every answer so you learn from mistakes on the spot.
Pick a category and start
7 interview topics · 3 difficulty levels · AI or curated questions
JavaScript
Core JS concepts, closures, async/await, prototypes, and more
TypeScript
Types, generics, utility types, decorators, and type narrowing
React
Hooks, component lifecycle, state management, and patterns
Next.js
App Router, Server Components, data fetching, and deployment
CSS
Flexbox, Grid, animations, specificity, and modern CSS features
Web Performance
Core Web Vitals, loading strategies, caching, and optimization
System Design
Frontend architecture, scalability, APIs, and design patterns