Interactive visual learning · 100% offline

Don't memorize DSA. Visualize every algorithm.

36 patterns. 216 problems. Every pointer, comparison, and memory write animated so you truly understand how algorithms think.

Start Learning Explore Patterns
36
DSA Patterns
216
Interactive Problems
100%
Visual Learning
Offline
Zero Network Needed

Built for how the mind actually learns

Step-by-step execution

Pause, rewind, or auto-play at 0.25× to 2×. Every iteration is a frame you can inspect.

Live memory panel

Watch every variable, pointer, window, and stack frame update in real time.

Java code lit up line-by-line

Read-only, syntax-highlighted Java that lights up on the exact line the animation is executing.

Custom inputs

Type your own arrays, strings, or graphs. The engine visualises whatever you throw at it.

36 patterns to master interviews

Filter by difficulty. Every card opens a full visualization studio.