Learn, Code & Master Programming & DSA
Real-time online compilers for Java, Python, C++, and SQL, autonomous Zetrox AI pair programmer, step-by-step 3D algorithm visualizers, live collaborative code rooms, and official verified certificates.
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Join developers mastering DSA and full-stack coding.
Zetrox AI Agent & Pair Programmer
Experience real-time AI pair programming, line-by-line automated code diagnostics, instant error fixes, and dynamic algorithmic quizzes powered directly by Google Gemini AI.
Zetrox Autonomous AI Agent
Multi-turn live conversation history synchronized with your active editor code, webpage context, and compiler output.
AI Code Mentor & Auto-Corrector
Instant line-by-line syntax diagnosis, error explanations, time/space complexity calculations, and 100% automated error fixes.
Interactive AI Quiz & Learning Hub
Generate dynamic interactive coding quizzes, practice interview questions, track your score logs, and climb the leaderboard.
Resume Studio — ATS-Engineered Resume Architect
Design job-winning engineering resumes with 8 distinct professional layouts, real-time explainable ATS compatibility scoring, job description tailoring, PDF export, and seamless Zetrox AI interview practice.
8 Distinct Professional Templates
Classic Professional, Executive Timeline, Modern Two-Column, Minimal Contemporary, Software Developer, Engineering Portfolio, Creative Sidebar, and Academic Graduate layouts.
Explainable Real ATS Analysis
100-point compatibility scoring evaluating contact information, action verbs, quantifiable metrics, section completeness, and keyword density.
Job Tailoring & Zetrox Interview
Paste any job description to generate tailored versions without overwriting your master copy, then practice live mock interviews customized to your projects.
Data Structures & Algorithms (DSA) Masterclass
Master foundational data structures and algorithm patterns designed for technical coding interviews at top tech companies.
1. Arrays & Dynamic Arrays
Contiguous memory allocation, 2D matrices, sliding window technique, and two-pointer interview problems.
2. Linked Lists
Singly, Doubly, and Circular Linked Lists, node manipulation, fast/slow pointer cycle detection.
3. Stacks & Queues
LIFO stack memory frames, FIFO queues, deques, expression parsing, and monotonic stacks.
4. Trees & Binary Search Trees
Binary Trees, BST operations, AVL balance, Tree traversals (Inorder, Preorder, Postorder, BFS Level-Order).
5. Graphs & Algorithms
Adjacency lists/matrices, Breadth-First Search (BFS), Depth-First Search (DFS), Dijkstra's shortest path.
6. Sorting & Searching
Bubble, Merge, Quick, Heap sort algorithms, Binary Search variations, Big-O Time & Space complexity wallchart.
Multi-Language Online Compilers
Write, compile, and execute code directly in your browser without local installation.
Java 21 Compiler
Modern Java 21 engine with virtual threads, pattern matching, OOP constructs, and standard libraries.
Python 3.12
Full Python 3 environment supporting data structures, OOP, list comprehensions, and algorithmic scripts.
C++20 Engine
High-performance GCC C++20 compiler with Standard Template Library (STL), pointers, and memory control.
SQL RDBMS
Interactive relational database engine supporting SELECT queries, JOINs, GROUP BY aggregations, and schema tables.
Interactive Masterclass Courses
Comprehensive step-by-step video lessons, concepts, quizzes, and hands-on coding milestones.
Java 21 Masterclass
Complete Java roadmap from OOP fundamentals, Collections framework, Virtual Threads, to DSA algorithms.
Python 3.12 Masterclass
Pythonic coding practices, object-oriented programming, data structures, and algorithmic problem solving.
SQL Database Masterclass
Relational database design, SELECT queries, JOINs, aggregate functions, indexes, and schema optimization.
DSA Masterclass
Comprehensive Data Structures & Algorithms roadmap covering Arrays, Trees, Graphs, Sorting, and Dynamic Programming.
Algorithm Visualizers & Live Code Rooms
Experience step-by-step visual code execution and real-time pair programming.
3D Algorithm Visualizers
Watch sorting steps, tree graph traversals, and call-stack execution unfold in 3D interactive canvases.
Live Collaborative Rooms
Host live coding rooms with shareable links (`CT-ROOM-XXXXXX`) for instant peer mentoring and live interview practice.
Verified Certificates
Earn official completion certificates upon finishing courses and passing quiz milestones to showcase your achievements.