Update: 22/05/2025 - Interview feature added!

Master Code. Ace Interviews.

The ultimate platform for competitive programming, interview preparation, and code sharing with AI assistance.

Scroll to explore

Trusted by software engineers from

Google
Microsoft
Netflix
Amazon
Meta
Interactive Demo

Watch CodePixel In Action

Platform Demo
4K • 2160p
Advanced Features
25+
User Rating
4.9/5
AI Capabilities
Unlimited
Latest platform features • 2025
Q: Explain time complexity
A: Big O notation describes...
New Feature

Introducing AI-Powered Mock Interviews

Practice technical interviews with our AI interviewer that adapts to your skill level and provides instant feedback to help you land your dream job.

Technical Interview Session

Alex

Senior Frontend Engineer at Google

Alright, let's discuss React hooks. Could you explain the difference between useEffect and useState hooks, and when would you use each one?

useState is used for managing component state, while useEffect handles side effects in functional components. useState returns a state variable and a function to update it, while useEffect runs after render and can perform cleanup.

Time: 02:45
AI-powered interview!
Company-specific questions

Ace Your Next Tech Interview

AI-Powered Mock Interviews

Practice technical interviews with our AI interviewer that adapts to your skill level

Role-Specific Questions

Customize interviews for frontend, backend, full stack, and specialized engineering roles

Company Targeting

Prepare for interviews with specific companies and their common question patterns

Real-Time Feedback

Receive instant feedback on your answers, including areas for improvement

Performance Analytics

Track your interview performance and progress over time with detailed metrics

Realistic Interview Environment

Experience authentic interview pressure with timed responses and follow-up questions

function share() { return code; }
<CodeShare language="javascript" />
Featured Tool

Introducing CodeShare

Share your code snippets beautifully with syntax highlighting, multiple files, and expiration control. Perfect for collaboration, debugging help, and teaching.

Powerful Code Sharing Made Simple

Instant Sharing

Generate shareable links for your code snippets with just a click

Syntax Highlighting

Support for 20+ programming languages with beautiful syntax highlighting

Multiple Files

Create and organize multiple files within a single code share

Expiration Control

Set expiration times for your shared code, from minutes to never

Version History

Track changes and maintain history of your code edits

Responsive Design

Perfect viewing experience on any device, desktop or mobile

CodeShare Editor
JavaScript
const shareCode = function() {// Generate a unique ID for this code snippetconst id = generateUniqueId();const codeSnippet = {id, content: "console.log('Hello from CodePixel!');", language: "javascript", expiresAt: Date.now() + 86400000, createdBy: "NiladriHazra"};return {shareableUrl: `https://codepixel.vercel.app/codeShare?id=${id}`, expiresIn: "24 hours"};}
Expires in: 24 hours
Shareable URL generated!
Auto-saves as you type

Everything You Need For Competitive Programming

CodePixel brings together all the tools and resources you need to excel in competitive programming and technical interviews

Curated Problem Sheets

Access carefully selected problem sheets from top tech companies and competitions. Learn DSA systematically with difficulty progression.

Contest Calendar

Never miss a coding contest again. Our interactive calendar tracks events from LeetCode, Codeforces, CodeChef and more.

Ginie AI Assistant

Get instant help with coding problems, algorithms explanations, and debugging assistance powered by Ginie AI.

Progress Tracking

Track your solving progress, identify strengths and weaknesses, and visualize your improvement over time.

Learning Resources

Access comprehensive tutorials, video explanations, and coding techniques for every type of algorithm.

Code Sharing

Share your code snippets with others, collaborate in real-time, and get feedback from the community.

Latest Updates

Stay current with upcoming contests and featured problems

Upcoming Contests

View all
Contest
Date & Time
LeetCode

LeetCode Weekly Contest 410

May 7, 2025
02:30 UTC
Codeforces

CodeForces Round #905 (Div. 2)

May 9, 2025
17:45 UTC
CodeChef

CodeChef Starters 132

May 12, 2025
14:30 UTC

Featured Problems

View all
LeetCode

Two Sum

ArrayHash Table
Easy
1563 submissions
Solve
LeetCode

Merge K Sorted Lists

Linked ListHeap
Hard
1563 submissions
Solve
CodeForces

Dynamic Programming Grid Paths

DPMatrix
Medium
1563 submissions
Solve
Updated daily

Daily Challenge

Solve today's problem and maintain your streak

if (problem.isHard) {
AI.assist();
}
AI-Powered Learning

Meet Ginie, Your Coding AI Assistant

Stuck on a problem? Need algorithm explanations? Ginie is your AI companion powered by Ginie AI, ready to help with personalized coding assistance.

Get step-by-step algorithm explanations

Receive hints for challenging problems

Learn optimal approaches to solving problems

Debug your code with intelligent suggestions

Explore advanced programming concepts

Ginie AI Assistant

Ginie

AI Assistant

How can I implement a binary search tree in JavaScript?

class Node {
  constructor(value) {
    this.value = value;
    this.left = null;
    this.right = null;
  }
}

class BinarySearchTree {
  constructor() {
    this.root = null;
  }
  
  insert(value) {
    const newNode = new Node(value);
    
    if (this.root === null) {
      this.root = newNode;
      return this;
    }
    
    let current = this.root;
    
    while (true) {
      if (value === current.value) return undefined;
      if (value < current.value) {
        if (current.left === null) {
          current.left = newNode;
          return this;
        }
        current = current.left;
      } else {
        if (current.right === null) {
          current.right = newNode;
          return this;
        }
        current = current.right;
      }
    }
  }
}

Can you explain how to search for a value in this binary search tree?

Powered by Ginie AI
Ask any coding question
Success Stories

What Our Users Say

Join thousands who have improved their coding skills with CodePixel

Alex Chen

"CodePixel transformed my interview preparation. I went from struggling with medium problems to confidently solving hard ones in just 2 months. The AI assistant was like having a personal mentor."

Alex Chen
Software Engineer at Google

Created by Niladri Hazra

Software Engineer & Full Stack Developer

Ready to Take Your Coding to the Next Level?

Start practicing with thousands of coding problems, ace your interviews, share your code, and get AI-powered assistance whenever you need it.

Current Date (UTC): 2025-05-22 17:33:02
User: Loading...