Watch the algorithm think
Algorithms you can see.
Every pattern, stepped through one frame at a time — pointers gliding, trees recursing, DP tables filling in. Press play and watch the idea unfold.
live
two‑pointers · target 14
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1 + 15 = 16 > 14 — move right in
Pick a track
Chai Visual teaches each topic the same way — by animating it. Jump straight in.
DSA Visual
Data Structures & Algorithms
Animated, step-by-step walkthroughs from two pointers to dynamic programming. Brute force first, then the optimized trick — always with the why.
Two PointersArrays & HashingSliding WindowStackLinked ListHeapBinary SearchDepth-First Search+10 more
18 patterns · 166 topicsEnter →
LLD Visual
Low-Level & OOP Design
Object-oriented design taught with animated UML — class & sequence diagrams that build themselves, plus the theory behind every pattern.
SOLIDDesign PatternsUMLSequence diagramsParking LotSplitwise
8 modules · 45 lessonsEnter →